Vendor import ncurses 6.2-20210220vendor/ncurses/6.2-20210220vendor/ncurses

38 files changed, 9011 insertions, 4765 deletions

diff --git a/test/Makefile.in b/test/Makefile.in
index 16bfc45b13e6..ebc6510ef9de 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.121 2020/02/02 23:34:34 tom Exp $
+# $Id: Makefile.in,v 1.125 2020/07/18 18:47:54 tom Exp $
 ##############################################################################
 # Copyright 2020 Thomas E. Dickey                                            #
 # Copyright 1998-2017,2018 Free Software Foundation, Inc.                    #
@@ -90,9 +90,9 @@ CPPFLAGS	= -I. -I$(srcdir) -I../test -DHAVE_CONFIG_H -DDATA_DIR=\"$(datadir)\" @
 CCFLAGS		= $(CPPFLAGS) $(CFLAGS)
 
 CFLAGS_LIBTOOL	= $(CCFLAGS)
-CFLAGS_NORMAL	= $(CCFLAGS)
-CFLAGS_DEBUG	= $(CCFLAGS) @CC_G_OPT@ -DTRACE
-CFLAGS_PROFILE	= $(CCFLAGS) -pg
+CFLAGS_NORMAL	= $(CCFLAGS) -DNCURSES_STATIC
+CFLAGS_DEBUG	= $(CCFLAGS) -DNCURSES_STATIC @CC_G_OPT@ -DTRACE
+CFLAGS_PROFILE	= $(CCFLAGS) -DNCURSES_STATIC -pg
 CFLAGS_SHARED	= $(CCFLAGS) @CC_SHARED_OPTS@
 
 CFLAGS_DEFAULT	= $(CFLAGS_@DFT_UPR_MODEL@)
@@ -122,11 +122,11 @@ LIBS_DEFAULT	= $(TEST_ARGS) @LIBS@ $(TEST_LIBS) $(MATH_LIB)
 LDFLAGS_DEFAULT	= $(LDFLAGS_@DFT_UPR_MODEL@) $(LIBS_DEFAULT)
 
 # use these for linking with the (n)curses library and possibly pthreads
-LIBS_THREADS	= `echo "$(TEST_ARGS) @LIBS@" | sed -e 's/-lform.*-lpanel[^ ]*//'` $(TEST_LIBS) $(MATH_LIB) @PTHREAD@
+LIBS_THREADS	= `echo "$(TEST_ARGS) @LIBS@" | sed -e 's/-l@FORM_NAME@.*-l@PANEL_NAME@[^ ]*//'` $(TEST_LIBS) $(MATH_LIB) @PTHREAD@
 LDFLAGS_THREADS	= $(LDFLAGS_@DFT_UPR_MODEL@) $(LIBS_THREADS)
 
 # use these for linking with the (n)curses library
-LIBS_CURSES	= `echo "$(TEST_ARGS) @LIBS@" | sed -e 's/-lform.*-lpanel[^ ]*//'` $(TEST_LIBS) $(MATH_LIB)
+LIBS_CURSES	= `echo "$(TEST_ARGS) @LIBS@" | sed -e 's/-l@FORM_NAME@.*-l@PANEL_NAME@[^ ]*//'` $(TEST_LIBS) $(MATH_LIB)
 LDFLAGS_CURSES	= $(LDFLAGS_@DFT_UPR_MODEL@) $(LIBS_CURSES)
 
 # use these for linking with the tinfo library if we have it, or curses library if not
@@ -137,8 +137,17 @@ LINT		= @LINT@
 LINT_OPTS	= @LINT_OPTS@
 LINT_LIBS	= -lform -lmenu -lpanel -lncurses @LIBS@
 
+INCDIR		= $(top_srcdir)/include
+incdir		= ../include
+
 HEADER_DEPS	= \
-	../include/curses.h \
-	../include/term.h
+	$(incdir)/curses.h \
+	$(incdir)/term.h \
+	$(incdir)/ncurses_cfg.h \
+	$(incdir)/ncurses_def.h \
+	$(incdir)/ncurses_dll.h \
+	$(incdir)/term.h \
+	$(incdir)/unctrl.h \
+	$(INCDIR)/nc_alloc.h
 
 # The rest is generated from the "programs" and "modules" files...
diff --git a/test/README b/test/README
index 310b7b31b8b4..5dc07c657bfd 100644
--- a/test/README
+++ b/test/README
@@ -1,5 +1,5 @@
 -------------------------------------------------------------------------------
--- Copyright 2018-2019,2020 Thomas E. Dickey                                 --
+-- Copyright 2018-2020,2021 Thomas E. Dickey                                 --
 -- Copyright 1998-2017,2018 Free Software Foundation, Inc.                   --
 --                                                                           --
 -- Permission is hereby granted, free of charge, to any person obtaining a   --
@@ -26,7 +26,7 @@
 -- sale, use or other dealings in this Software without prior written        --
 -- authorization.                                                            --
 -------------------------------------------------------------------------------
--- $Id: README,v 1.69 2020/02/02 23:34:34 tom Exp $
+-- $Id: README,v 1.72 2021/02/13 22:53:41 tom Exp $
 -------------------------------------------------------------------------------
 
 The programs in this directory are used to test and demonstrate ncurses.
@@ -74,17 +74,16 @@ to list the options.
 These programs provide examples of use, but do not comprise a complete set of
 tests.  Here is a list of library externals, noting those that are used:
 
-
 libform:
 -------
 TYPE_ALNUM			test: demo_forms
-TYPE_ALPHA			test: demo_forms ncurses
+TYPE_ALPHA			test: demo_forms dup_field move_field ncurses
 TYPE_ENUM			test: demo_forms
 TYPE_INTEGER			test: demo_forms
 TYPE_IPV4			test: demo_forms
 TYPE_NUMERIC			test: demo_forms
 TYPE_REGEXP			test: demo_forms
-current_field			test: demo_forms edit_field ncurses
+current_field			test: demo_forms dup_field edit_field move_field ncurses
 data_ahead			test: demo_forms
 data_behind			test: demo_forms
 dup_field			-
@@ -92,63 +91,63 @@ dynamic_field_info		test: demo_forms
 field_arg			test: demo_forms
 field_back			test: demo_forms edit_field
 field_buffer			test: cardfile demo_forms ncurses
-field_count			test: demo_forms
+field_count			test: demo_forms move_field
 field_fore			test: demo_forms
 field_index			test: demo_forms
 field_info			test: edit_field ncurses
 field_init			-
 field_just			-
-field_opts			test: demo_forms ncurses
+field_opts			test: demo_forms dup_field move_field ncurses
 field_opts_off			test: cardfile demo_forms form_driver_w
 field_opts_on			test: demo_forms
 field_pad			test: demo_forms
 field_status			test: demo_forms
 field_term			-
 field_type			test: demo_forms
-field_userptr			test: edit_field ncurses
-form_driver			test: cardfile demo_forms edit_field ncurses
+field_userptr			test: dup_field edit_field move_field ncurses
+form_driver			test: cardfile demo_forms dup_field edit_field move_field ncurses
 form_driver_w			test: form_driver_w
-form_fields			test: cardfile demo_forms
+form_fields			test: cardfile demo_forms move_field
 form_init			-
 form_opts			-
 form_opts_off			-
 form_opts_on			-
 form_page			test: demo_forms
 form_request_by_name		-
-form_request_name		test: edit_field
-form_sub			test: cardfile demo_forms ncurses
+form_request_name		test: dup_field edit_field move_field
+form_sub			test: cardfile demo_forms dup_field move_field ncurses
 form_term			-
 form_userptr			-
-form_win			test: cardfile demo_forms edit_field form_driver_w ncurses
-free_field			test: cardfile demo_forms form_driver_w ncurses
+form_win			test: cardfile demo_forms dup_field edit_field form_driver_w move_field ncurses
+free_field			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 free_fieldtype			test: ncurses
-free_form			test: cardfile demo_forms form_driver_w ncurses
+free_form			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 link_field			-
 link_fieldtype			-
-move_field			-
-new_field			test: cardfile demo_forms form_driver_w ncurses
+move_field			test: move_field
+new_field			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 new_fieldtype			test: ncurses
-new_form			test: cardfile demo_forms form_driver_w ncurses
+new_form			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 new_form_sp			-
 new_page			test: demo_forms
 pos_form_cursor			-
-post_form			test: cardfile demo_forms form_driver_w ncurses
+post_form			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 scale_form			test: demo_forms ncurses
 set_current_field		test: demo_forms
-set_field_back			test: cardfile demo_forms edit_field form_driver_w ncurses
-set_field_buffer		test: cardfile demo_forms edit_field ncurses
+set_field_back			test: cardfile demo_forms dup_field edit_field form_driver_w move_field ncurses
+set_field_buffer		test: cardfile demo_forms dup_field edit_field move_field ncurses
 set_field_fore			test: demo_forms
 set_field_init			-
 set_field_just			test: cardfile demo_forms
-set_field_opts			test: demo_forms ncurses
+set_field_opts			test: demo_forms dup_field move_field ncurses
 set_field_pad			test: demo_forms
 set_field_status		test: demo_forms
 set_field_term			-
-set_field_type			test: demo_forms ncurses
+set_field_type			test: demo_forms dup_field move_field ncurses
 set_field_userptr		test: edit_field ncurses
 set_fieldtype_arg		-
 set_fieldtype_choice		-
-set_form_fields			-
+set_form_fields			test: move_field
 set_form_init			-
 set_form_opts			-
 set_form_page			-
@@ -159,7 +158,7 @@ set_form_win			test: cardfile demo_forms ncurses
 set_max_field			test: demo_forms
 set_new_page			test: demo_forms
 unfocus_current_field		-
-unpost_form			test: cardfile demo_forms form_driver_w ncurses
+unpost_form			test: cardfile demo_forms dup_field form_driver_w move_field ncurses
 
 libmenu:
 -------
@@ -233,21 +232,21 @@ libncurses:
 ----------
 BC				test: demo_termcap
 COLORS				test: color_content demo_new_pair dots_curses dots_xcurses echochar ncurses pair_content picsmap savescreen xmas
-COLOR_PAIR			test: background blue bs cardfile clip_printw demo_forms demo_menus demo_panels dots_curses echochar filter firework gdc hanoi ins_wide insdelln inserts knight ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
+COLOR_PAIR			test: background blue bs cardfile clip_printw demo_forms demo_menus demo_panels dots_curses dup_field echochar filter firework gdc hanoi ins_wide insdelln inserts knight move_field ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
 COLOR_PAIRS			test: demo_new_pair dots_curses dots_xcurses echochar ncurses newdemo pair_content
-COLS				test: cardfile demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_panels ditto dots_curses dots_xcurses echochar filter firework foldkeys hashtest inch_wide inchs ins_wide inserts lrtest movewindow ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm
+COLS				test: cardfile demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_panels demo_tabs ditto dots_curses dots_xcurses echochar filter firework foldkeys hashtest inch_wide inchs ins_wide inserts lrtest movewindow ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm
 ESCDELAY			test: test_opaque
-LINES				test: cardfile demo_defkey demo_keyok demo_menus demo_panels ditto dots_curses dots_xcurses echochar firework hanoi hashtest inch_wide inchs ins_wide inserts lrtest movewindow ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
+LINES				test: cardfile demo_defkey demo_keyok demo_menus demo_panels demo_tabs ditto dots_curses dots_xcurses echochar firework hanoi hashtest inch_wide inchs ins_wide inserts lrtest move_field movewindow ncurses newdemo padview picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
 PAIR_NUMBER			test: dump_window ncurses
 PC				test: demo_termcap
 SP				lib: form
 TABSIZE				test: test_opaque
 UP				test: demo_termcap
-acs_map				test: background gdc ins_wide inserts knight movewindow ncurses newdemo savescreen test_add_wchstr test_addchstr test_addstr test_addwstr testcurs
+acs_map				test: back_ground background gdc ins_wide inserts knight movewindow ncurses newdemo savescreen test_add_wchstr test_addchstr test_addstr test_addwstr testcurs
 add_wch				test: demo_new_pair demo_panels ncurses picsmap savescreen test_add_wchstr test_addwstr
 add_wchnstr			test: test_add_wchstr
 add_wchstr			test: test_add_wchstr view
-addch				test: background blue bs color_content dots_curses echochar hashtest ncurses padview pair_content picsmap savescreen test_add_wchstr test_addchstr test_addstr test_addwstr test_opaque testaddch view worm
+addch				test: back_ground background blue bs color_content demo_tabs dots_curses echochar hashtest ncurses padview pair_content picsmap savescreen test_add_wchstr test_addchstr test_addstr test_addwstr test_opaque testaddch view worm
 addchnstr			test: test_addchstr
 addchstr			test: test_addchstr
 addnstr				test: test_addstr
@@ -256,7 +255,7 @@ addstr				test: blue bs cardfile filter gdc hanoi lrtest ncurses test_addstr
 addwstr				test: blue test_addwstr
 alloc_pair			test: demo_new_pair dots_xcurses
 alloc_pair_sp			-
-assume_default_colors		test: background ncurses
+assume_default_colors		test: back_ground background ncurses
 assume_default_colors_sp	-
 attr_get			-
 attr_off			test: dots_xcurses ncurses
@@ -267,12 +266,12 @@ attron				test: blue bs dots_curses echochar filter gdc ncurses
 attrset				test: bs filter firework gdc hanoi insdelln ncurses picsmap rain tclock testaddch testcurs
 baudrate			test: ncurses
 baudrate_sp			test: sp_tinfo
-beep				test: blue bs cardfile chgat clip_printw demo_forms demo_menus demo_new_pair demo_panels edit_field firstlast hanoi inch_wide inchs ins_wide insdelln inserts knight movewindow ncurses padview popup_msg rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view xmas
+beep				test: blue bs cardfile chgat clip_printw demo_forms demo_menus demo_new_pair demo_panels dup_field edit_field firstlast hanoi inch_wide inchs ins_wide insdelln inserts knight move_field movewindow ncurses padview popup_msg rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view xmas
 beep_sp				lib: ncurses
-bkgd				test: background cardfile demo_forms ncurses padview savescreen tclock view
+bkgd				test: background cardfile demo_forms dup_field move_field ncurses padview savescreen tclock view
 bkgdset				test: background ncurses testaddch
 bkgrnd				test: ncurses
-bkgrndset			test: ncurses
+bkgrndset			test: back_ground ncurses
 boolcodes			test: demo_termcap test_arrays progs: dump_entry
 boolfnames			test: demo_terminfo test_arrays progs: dump_entry
 boolnames			test: demo_terminfo test_arrays progs: dump_entry infocmp
@@ -282,21 +281,22 @@ box				test: cardfile chgat clip_printw demo_forms demo_menus demo_panels ditto
 box_set				test: ncurses
 can_change_color		test: color_content extended_color ncurses
 can_change_color_sp		test: extended_color
-cbreak				test: background blue bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels ditto extended_color filter firework foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest movewindow ncurses newdemo padview pair_content picsmap savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
+cbreak				test: back_ground background blue bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels demo_tabs ditto dup_field extended_color filter firework foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest move_field movewindow ncurses newdemo padview pair_content picsmap savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
 cbreak_sp			test: sp_tinfo
 chgat				test: chgat
 clear				test: blue bs filter gdc ncurses padview testcurs xmas
 clearok				test: bs knight
-clrtobot			test: demo_menus ncurses view
+clrtobot			test: demo_menus move_field ncurses view
 clrtoeol			test: blue bs demo_altkeys filter foldkeys form_driver_w hanoi hashtest movewindow ncurses padview view
 color_content			test: color_content ncurses picsmap
 color_content_sp		-
 color_set			test: color_set dots_xcurses extended_color ncurses
 copywin				test: ncurses testcurs
-cur_term			test: demo_termcap demo_terminfo dots dots_mvcur filter list_keys lrtest sp_tinfo test_sgr test_vid_puts test_vidputs progs: clear_cmd reset_cmd tabs tput tset
+cur_term			test: demo_termcap demo_terminfo dots dots_mvcur filter list_keys lrtest sp_tinfo test_sgr test_tparm test_vid_puts test_vidputs progs: clear_cmd reset_cmd tabs tput tset
 curs_set			test: demo_new_pair echochar firework gdc hanoi lrtest ncurses newdemo picsmap rain savescreen tclock testcurs worm xmas
 curs_set_sp			test: sp_tinfo
 curscr				test: demo_panels knight lrtest ncurses popup_msg savescreen tclock
+curses_trace			test: demo_menus hashtest lrtest ncurses padview redraw test_sgr test_termattrs test_vid_puts test_vidputs testcurs view worm
 curses_version			test: ncurses progs: clear infocmp tabs tic toe tput tset
 def_prog_mode			test: bs ncurses
 def_prog_mode_sp		test: sp_tinfo
@@ -304,14 +304,14 @@ def_shell_mode			-
 def_shell_mode_sp		test: sp_tinfo
 define_key			test: demo_altkeys demo_defkey foldkeys
 define_key_sp			test: sp_tinfo
-del_curterm			test: demo_terminfo sp_tinfo test_sgr
+del_curterm			test: demo_terminfo sp_tinfo test_sgr test_tparm
 del_curterm_sp			lib: ncurses
 delay_output			test: newdemo
 delay_output_sp			test: sp_tinfo
 delch				-
 deleteln			test: insdelln
 delscreen			test: ditto dots_mvcur
-delwin				test: cardfile chgat clip_printw demo_forms demo_panels inch_wide inchs ins_wide insdelln inserts ncurses newdemo popup_msg redraw test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view
+delwin				test: cardfile chgat clip_printw demo_forms demo_panels dup_field inch_wide inchs ins_wide insdelln inserts move_field ncurses newdemo popup_msg redraw test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view
 derwin				test: cardfile chgat clip_printw demo_forms demo_menus ditto inch_wide inchs ins_wide insdelln inserts movewindow ncurses test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque
 doupdate			test: cardfile demo_menus demo_panels ditto ins_wide inserts knight movewindow ncurses padview popup_msg redraw savescreen test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr
 doupdate_sp			lib: ncurses
@@ -320,12 +320,14 @@ echo				test: bs hanoi ncurses test_get_wstr test_getstr testcurs testscanw
 echo_sp				lib: ncurses
 echo_wchar			test: ncurses
 echochar			test: echochar ncurses
-endwin				test: background blue bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels ditto dots_curses dots_mvcur dots_xcurses echochar extended_color filter firework firstlast foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest movewindow ncurses newdemo padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testaddch testcurs testscanw view worm xmas
+endwin				test: back_ground background blue bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels demo_tabs ditto dots_curses dots_mvcur dots_xcurses dup_field echochar extended_color filter firework firstlast foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest move_field movewindow ncurses newdemo padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testaddch testcurs testscanw view worm xmas
 endwin_sp			lib: ncurses
 erase				test: cardfile demo_menus filter firework firstlast hanoi lrtest ncurses picsmap tclock test_opaque testcurs
 erasechar			test: ncurses
 erasechar_sp			test: sp_tinfo
 erasewchar			test: ncurses
+exit_curses			-
+exit_terminfo			test: demo_tabs demo_termcap demo_terminfo dots dots_mvcur dots_termcap list_keys railroad sp_tinfo test_arrays test_sgr test_termattrs test_tparm test_vid_puts test_vidputs
 extended_color_content		test: color_content extended_color
 extended_color_content_sp	test: extended_color
 extended_pair_content		test: extended_color pair_content
@@ -347,14 +349,14 @@ get_escdelay_sp			-
 get_wch				test: form_driver_w
 get_wstr			test: test_get_wstr
 getattrs			-
-getbegx				test: chgat clip_printw demo_menus demo_panels dump_window insdelln movewindow ncurses newdemo redraw testcurs
-getbegy				test: chgat clip_printw demo_menus demo_panels dump_window insdelln movewindow ncurses newdemo redraw testcurs
+getbegx				test: chgat clip_printw demo_menus demo_panels dump_window insdelln move_field movewindow ncurses newdemo redraw testcurs
+getbegy				test: chgat clip_printw demo_menus demo_panels dump_window insdelln move_field movewindow ncurses newdemo redraw testcurs
 getbkgd				test: ncurses
 getbkgrnd			test: ncurses
-getcchar			test: ncurses savescreen view
-getch				test: background blue bs chgat color_content color_set demo_altkeys demo_new_pair extended_color filter firework firstlast foldkeys hanoi hashtest insdelln lrtest padview pair_content picsmap savescreen tclock test_opaque testaddch testcurs view xmas
-getcurx				test: bs chgat clip_printw demo_altkeys demo_defkey demo_panels dump_window extended_color filter firstlast foldkeys insdelln movewindow ncurses redraw savescreen test_get_wstr test_getstr test_opaque testcurs view
-getcury				test: bs chgat clip_printw demo_altkeys demo_defkey demo_panels dump_window extended_color filter firstlast foldkeys insdelln movewindow ncurses popup_msg redraw savescreen test_opaque testcurs view
+getcchar			test: demo_new_pair ncurses savescreen view
+getch				test: back_ground background blue bs chgat color_content color_set demo_altkeys demo_new_pair demo_tabs extended_color filter firework firstlast foldkeys hanoi hashtest insdelln lrtest padview pair_content picsmap savescreen tclock test_opaque testaddch testcurs view xmas
+getcurx				test: bs chgat clip_printw demo_altkeys demo_defkey demo_panels dump_window extended_color filter firstlast foldkeys insdelln move_field movewindow ncurses redraw savescreen test_get_wstr test_getstr test_opaque testcurs view
+getcury				test: bs chgat clip_printw demo_altkeys demo_defkey demo_panels dump_window extended_color filter firstlast foldkeys insdelln move_field movewindow ncurses popup_msg redraw savescreen test_opaque testcurs view
 getmaxx				test: chgat clip_printw demo_panels dump_window firstlast inch_wide inchs insdelln movewindow ncurses newdemo popup_msg redraw test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs
 getmaxy				test: chgat clip_printw demo_forms demo_panels dump_window firstlast inch_wide inchs insdelln movewindow ncurses newdemo popup_msg redraw test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs
 getmouse			test: bs demo_menus knight movewindow ncurses testcurs
@@ -368,7 +370,7 @@ getwin				test: ncurses
 getwin_sp			-
 halfdelay			test: padview view
 halfdelay_sp			test: sp_tinfo
-has_colors			test: background bs cardfile chgat clip_printw color_content color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses echochar extended_color filter firework gdc hanoi ins_wide insdelln inserts knight ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testcurs view worm xmas
+has_colors			test: back_ground background bs cardfile chgat clip_printw color_content color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses dup_field echochar extended_color filter firework gdc hanoi ins_wide insdelln inserts knight move_field ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testcurs view worm xmas
 has_colors_sp			lib: ncurses
 has_ic				test: lrtest ncurses
 has_ic_sp			test: sp_tinfo
@@ -395,9 +397,9 @@ init_extended_color		test: color_content extended_color
 init_extended_color_sp		test: extended_color
 init_extended_pair		test: extended_color ncurses pair_content picsmap
 init_extended_pair_sp		test: extended_color
-init_pair			test: background blue bs cardfile chgat clip_printw color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses echochar filter firework gdc hanoi ins_wide insdelln inserts knight ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
+init_pair			test: back_ground background blue bs cardfile chgat clip_printw color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses dup_field echochar filter firework gdc hanoi ins_wide insdelln inserts knight move_field ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
 init_pair_sp			-
-initscr				test: background blue bs cardfile chgat clip_printw color_content color_set demo_defkey demo_forms demo_keyok demo_menus demo_panels dots_curses dots_xcurses echochar filter firework firstlast form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest movewindow ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testaddch testcurs testscanw view worm xmas
+initscr				test: back_ground background blue bs cardfile chgat clip_printw color_content color_set demo_defkey demo_forms demo_keyok demo_menus demo_panels demo_tabs dots_curses dots_xcurses dup_field echochar filter firework firstlast form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest move_field movewindow ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testaddch testcurs testscanw view worm xmas
 innstr				test: test_instr
 innwstr				test: test_inwstr
 ins_nwstr			test: ins_wide
@@ -409,7 +411,7 @@ insertln			test: insdelln
 insnstr				test: inserts
 insstr				test: inserts
 instr				test: test_instr
-intrflush			test: demo_forms movewindow
+intrflush			test: demo_forms dup_field move_field movewindow
 intrflush_sp			test: sp_tinfo
 inwstr				test: test_inwstr
 is_cleared			test: test_opaque
@@ -435,11 +437,11 @@ key_defined_sp			test: sp_tinfo
 key_name			test: key_names ncurses
 keybound			test: demo_altkeys demo_defkey
 keybound_sp			test: sp_tinfo
-keyname				test: demo_altkeys demo_defkey demo_keyok demo_menus edit_field foldkeys keynames movewindow ncurses padview redraw test_getstr testcurs view progs: tic
+keyname				test: demo_altkeys demo_defkey demo_keyok demo_menus dup_field edit_field foldkeys keynames move_field movewindow ncurses padview redraw test_getstr testcurs view progs: tic
 keyname_sp			test: sp_tinfo
 keyok				test: demo_keyok foldkeys
 keyok_sp			test: sp_tinfo
-keypad				test: bs cardfile chgat clip_printw demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels ditto filter firework foldkeys form_driver_w hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest movewindow ncurses padview popup_msg redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs testscanw view
+keypad				test: bs cardfile chgat clip_printw demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels ditto dup_field filter firework foldkeys form_driver_w hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest move_field movewindow ncurses padview popup_msg redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs testscanw view
 killchar			test: ncurses
 killchar_sp			test: sp_tinfo
 killwchar			test: ncurses
@@ -454,7 +456,7 @@ mouseinterval			-
 mouseinterval_sp		-
 mousemask			test: bs demo_forms demo_menus knight movewindow ncurses testcurs
 mousemask_sp			-
-move				test: blue bs cardfile chgat demo_altkeys demo_menus demo_new_pair dots_curses dots_xcurses echochar filter foldkeys gdc hanoi hashtest inch_wide inchs ins_wide inserts knight lrtest movewindow ncurses picsmap savescreen test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testscanw view xmas
+move				test: blue bs cardfile chgat demo_altkeys demo_menus demo_new_pair demo_tabs dots_curses dots_xcurses echochar filter foldkeys gdc hanoi hashtest inch_wide inchs ins_wide inserts knight lrtest move_field movewindow ncurses picsmap savescreen test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testscanw view xmas
 mvadd_wch			test: ncurses test_add_wchstr test_addwstr
 mvadd_wchnstr			test: test_add_wchstr
 mvadd_wchstr			test: test_add_wchstr
@@ -494,7 +496,7 @@ mvinsnstr			test: inserts
 mvinsstr			test: inserts
 mvinstr				test: test_instr
 mvinwstr			test: test_inwstr
-mvprintw			test: background bs firework form_driver_w hanoi ncurses padview savescreen tclock view
+mvprintw			test: back_ground background bs firework form_driver_w hanoi move_field ncurses padview savescreen tclock view
 mvscanw				-
 mvvline				test: ncurses
 mvvline_set			test: ncurses
@@ -549,20 +551,20 @@ newterm				test: demo_altkeys demo_new_pair ditto dots_mvcur extended_color filt
 newterm_sp			-
 newwin				test: cardfile chgat clip_printw demo_defkey demo_forms demo_keyok demo_menus demo_panels ditto firstlast inch_wide inchs ins_wide insdelln inserts knight movewindow ncurses newdemo popup_msg redraw test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view xmas
 newwin_sp			lib: ncurses
-nl				test: demo_forms ncurses rain testcurs
+nl				test: demo_forms dup_field move_field ncurses rain testcurs
 nl_sp				lib: ncurses
 nocbreak			test: testcurs
 nocbreak_sp			test: sp_tinfo
 nodelay				test: demo_new_pair ditto extended_color firework gdc lrtest ncurses newdemo padview rain tclock test_opaque view worm xmas
-noecho				test: background bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels ditto extended_color firework firstlast foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest movewindow ncurses padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
+noecho				test: back_ground background bs cardfile chgat clip_printw color_content color_set demo_altkeys demo_defkey demo_forms demo_keyok demo_menus demo_new_pair demo_panels demo_tabs ditto dup_field extended_color firework firstlast foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts knight lrtest move_field movewindow ncurses padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs view worm xmas
 noecho_sp			lib: ncurses
 nofilter			-
 nofilter_sp			-
-nonl				test: bs demo_forms hashtest movewindow ncurses padview view worm xmas
+nonl				test: bs demo_forms dup_field hashtest move_field movewindow ncurses padview view worm xmas
 nonl_sp				lib: ncurses
 noqiflush			-
 noqiflush_sp			test: sp_tinfo
-noraw				test: demo_forms demo_menus ncurses testcurs
+noraw				test: demo_forms demo_menus dup_field move_field ncurses testcurs
 noraw_sp			test: sp_tinfo
 notimeout			test: ncurses test_opaque
 numcodes			test: demo_termcap test_arrays progs: dump_entry
@@ -571,22 +573,22 @@ numnames			test: demo_terminfo test_arrays progs: dump_entry infocmp
 ospeed				test: demo_termcap progs: tset
 overlay				test: ncurses testcurs xmas
 overwrite			test: ncurses savescreen
-pair_content			test: background color_set pair_content
+pair_content			test: back_ground background color_set pair_content
 pair_content_sp			lib: ncurses
 pecho_wchar			-
 pechochar			-
 pnoutrefresh			test: ncurses padview popup_msg
 prefresh			test: testcurs
-printw				test: background blue bs color_content color_set demo_altkeys demo_defkey demo_keyok extended_color filter foldkeys ncurses pair_content savescreen testcurs testscanw view
+printw				test: back_ground background blue bs color_content color_set demo_altkeys demo_defkey demo_keyok demo_tabs extended_color filter foldkeys ncurses pair_content savescreen testcurs testscanw view
 putp				test: filter test_sgr progs: tput
 putp_sp				test: sp_tinfo
 putwin				test: ncurses
 qiflush				-
 qiflush_sp			test: sp_tinfo
-raw				test: demo_forms ncurses redraw testcurs
+raw				test: demo_forms dup_field move_field ncurses redraw testcurs
 raw_sp				test: sp_tinfo
 redrawwin			test: padview redraw view
-refresh				test: blue bs color_content demo_defkey demo_forms demo_keyok demo_menus demo_panels dots_curses dots_mvcur dots_xcurses echochar filter firstlast form_driver_w gdc hanoi hashtest lrtest movewindow ncurses pair_content picsmap savescreen tclock testcurs view xmas
+refresh				test: blue bs color_content demo_defkey demo_forms demo_keyok demo_menus demo_panels demo_tabs dots_curses dots_mvcur dots_xcurses dup_field echochar filter firstlast form_driver_w gdc hanoi hashtest lrtest move_field movewindow ncurses pair_content picsmap savescreen tclock testcurs view xmas
 reset_color_pairs		test: picsmap
 reset_color_pairs_sp		-
 reset_prog_mode			test: filter ncurses
@@ -620,12 +622,12 @@ set_curterm			test: list_keys sp_tinfo
 set_curterm_sp			test: sp_tinfo
 set_escdelay			test: test_opaque
 set_escdelay_sp			lib: ncurses
-set_tabsize			test: test_opaque
+set_tabsize			test: demo_tabs test_opaque
 set_tabsize_sp			test: sp_tinfo
 set_term			lib: ncurses
-setcchar			test: demo_new_pair demo_panels ins_wide ncurses picsmap savescreen test_add_wchstr test_addwstr
+setcchar			test: back_ground demo_new_pair demo_panels ins_wide ncurses picsmap savescreen test_add_wchstr test_addwstr
 setscrreg			test: view
-setupterm			test: demo_terminfo dots list_keys sp_tinfo test_setupterm test_sgr test_termattrs test_vid_puts test_vidputs progs: clear tabs tput tset
+setupterm			test: demo_terminfo dots list_keys sp_tinfo test_setupterm test_sgr test_termattrs test_tparm test_vid_puts test_vidputs progs: clear tabs tput tset
 slk_attr			-
 slk_attr_off			-
 slk_attr_on			-
@@ -659,12 +661,12 @@ slk_touch_sp			lib: ncurses
 slk_wset			test: ncurses
 standend			test: blue gdc ncurses
 standout			test: blue ncurses
-start_color			test: background blue bs cardfile chgat clip_printw color_content color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses echochar extended_color filter firework gdc hanoi ins_wide insdelln inserts knight ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
+start_color			test: back_ground background blue bs cardfile chgat clip_printw color_content color_set demo_forms demo_menus demo_new_pair demo_panels dots_curses dots_xcurses dup_field echochar extended_color filter firework gdc hanoi ins_wide insdelln inserts knight move_field ncurses newdemo padview pair_content picsmap rain savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testaddch testcurs view worm xmas
 start_color_sp			-
-stdscr				test: background bs chgat clip_printw color_content demo_altkeys demo_forms demo_menus demo_new_pair demo_panels ditto edit_field extended_color filter firework foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest movewindow ncurses padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs testscanw view worm xmas
+stdscr				test: back_ground background bs chgat clip_printw color_content demo_altkeys demo_forms demo_menus demo_new_pair demo_panels ditto dup_field edit_field extended_color filter firework foldkeys form_driver_w gdc hanoi hashtest inch_wide inchs ins_wide insdelln inserts key_names keynames knight lrtest move_field movewindow ncurses padview pair_content picsmap rain redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs testscanw view worm xmas
 strcodes			test: demo_termcap test_arrays progs: dump_entry
 strfnames			test: demo_terminfo list_keys test_arrays progs: dump_entry
-strnames			test: demo_terminfo foldkeys list_keys test_arrays progs: dump_entry infocmp tic
+strnames			test: demo_terminfo foldkeys list_keys test_arrays test_tparm progs: dump_entry infocmp tic
 subpad				test: testcurs
 subwin				test: movewindow ncurses newdemo testcurs
 syncok				test: test_opaque
@@ -685,18 +687,18 @@ tgetstr_sp			test: sp_tinfo
 tgoto				test: dots_termcap railroad progs: tic
 tigetflag			test: demo_terminfo savescreen progs: tic tput
 tigetflag_sp			test: sp_tinfo
-tigetnum			test: demo_terminfo dots dots_mvcur ncurses savescreen progs: tput
+tigetnum			test: demo_tabs demo_terminfo dots dots_mvcur ncurses savescreen progs: tput
 tigetnum_sp			test: sp_tinfo
-tigetstr			test: blue demo_defkey demo_new_pair demo_terminfo foldkeys list_keys savescreen test_sgr testcurs progs: clear_cmd tput
+tigetstr			test: blue demo_defkey demo_new_pair demo_terminfo foldkeys list_keys savescreen test_sgr test_tparm testcurs progs: clear_cmd tic tput
 tigetstr_sp			test: sp_tinfo
 timeout				test: filter rain savescreen
 tiparm				-
 touchline			test: chgat clip_printw insdelln
 touchwin			test: chgat clip_printw demo_menus filter firstlast inch_wide inchs ins_wide insdelln inserts movewindow ncurses popup_msg redraw test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque xmas
-tparm				test: dots dots_mvcur test_sgr progs: reset_cmd tabs tic tput
+tparm				test: dots dots_mvcur test_sgr test_tparm progs: tic tput
 tputs				test: dots dots_mvcur dots_termcap railroad test_vid_puts test_vidputs progs: clear_cmd reset_cmd tabs
 tputs_sp			test: sp_tinfo
-trace				test: demo_menus hashtest lrtest ncurses padview redraw test_sgr test_termattrs test_vid_puts test_vidputs testcurs view worm
+trace				-
 ttytype				test: demo_terminfo test_sgr
 typeahead			test: testcurs
 typeahead_sp			test: sp_tinfo
@@ -709,7 +711,7 @@ ungetch_sp			lib: ncurses
 ungetmouse			lib: menu
 ungetmouse_sp			-
 untouchwin			lib: form
-use_default_colors		test: background dots_curses dots_xcurses filter firework gdc hanoi knight ncurses picsmap rain tclock worm xmas
+use_default_colors		test: back_ground background dots_curses dots_xcurses filter firework gdc hanoi knight ncurses picsmap rain tclock worm xmas
 use_default_colors_sp		-
 use_env				test: dots dots_curses dots_mvcur dots_xcurses ncurses progs: clear tput
 use_env_sp			test: sp_tinfo
@@ -768,11 +770,11 @@ wdeleteln			test: insdelln testcurs
 wecho_wchar			lib: ncurses
 wechochar			lib: ncurses
 wenclose			test: ncurses
-werase				test: cardfile demo_forms demo_menus demo_panels firstlast knight ncurses newdemo popup_msg test_get_wstr test_getstr test_opaque testcurs view xmas
+werase				test: cardfile demo_forms demo_menus demo_panels dup_field firstlast knight move_field ncurses newdemo popup_msg test_get_wstr test_getstr test_opaque testcurs view xmas
 wget_wch			test: ins_wide ncurses test_add_wchstr test_addwstr
 wget_wstr			test: test_get_wstr
 wgetbkgrnd			lib: ncurses
-wgetch				test: cardfile chgat clip_printw demo_defkey demo_keyok demo_menus demo_panels ditto dump_window edit_field gdc insdelln inserts knight movewindow ncurses newdemo popup_msg rain redraw test_addchstr test_addstr test_opaque testcurs worm
+wgetch				test: cardfile chgat clip_printw demo_defkey demo_keyok demo_menus demo_panels ditto dump_window dup_field edit_field gdc insdelln inserts knight move_field movewindow ncurses newdemo popup_msg rain redraw test_addchstr test_addstr test_opaque testcurs worm
 wgetdelay			-
 wgetn_wstr			test: ncurses test_get_wstr
 wgetnstr			test: ncurses test_getstr
@@ -804,7 +806,7 @@ wmove				test: chgat clip_printw demo_altkeys demo_defkey demo_keyok demo_menus
 wnoutrefresh			test: demo_menus ditto inch_wide inchs ins_wide inserts knight movewindow ncurses padview popup_msg redraw test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque
 wprintw				test: chgat clip_printw demo_defkey demo_forms demo_keyok demo_menus demo_panels inch_wide inchs ins_wide insdelln inserts knight ncurses test_add_wchstr test_addchstr test_addstr test_addwstr test_get_wstr test_getstr test_instr test_inwstr test_opaque testcurs
 wredrawln			test: redraw
-wrefresh			test: chgat clip_printw demo_forms demo_keyok demo_menus demo_panels firstlast ins_wide insdelln inserts knight lrtest movewindow ncurses newdemo popup_msg redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testcurs worm xmas
+wrefresh			test: chgat clip_printw demo_forms demo_keyok demo_menus demo_panels dup_field firstlast ins_wide insdelln inserts knight lrtest move_field movewindow ncurses newdemo popup_msg redraw savescreen tclock test_add_wchstr test_addchstr test_addstr test_addwstr testcurs worm xmas
 wresize				test: cardfile demo_menus ncurses
 wscanw				test: testcurs
 wscrl				test: ncurses testcurs
diff --git a/test/aclocal.m4 b/test/aclocal.m4
index 788c1bbd64b2..6c9727cd4983 100644
--- a/test/aclocal.m4
+++ b/test/aclocal.m4
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright 2018-2019,2020 Thomas E. Dickey                                *
+dnl Copyright 2018-2020,2021 Thomas E. Dickey                                *
 dnl Copyright 2003-2017,2018 Free Software Foundation, Inc.                  *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -27,7 +27,7 @@ dnl sale, use or other dealings in this Software without prior written       *
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
-dnl $Id: aclocal.m4,v 1.176 2020/02/09 02:02:53 tom Exp $
+dnl $Id: aclocal.m4,v 1.190 2021/01/06 01:21:11 tom Exp $
 dnl
 dnl Author: Thomas E. Dickey
 dnl
@@ -43,7 +43,7 @@ dnl		https://invisible-island.net/autoconf/my-autoconf.html
 dnl
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
-dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
+dnl AM_LANGINFO_CODESET version: 6 updated: 2021/01/01 16:53:59
 dnl -------------------
 dnl Inserted as requested by gettext 0.10.40
 dnl File from /usr/share/aclocal
@@ -56,11 +56,11 @@ AC_DEFUN([AM_LANGINFO_CODESET],
 [
 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
 	[AC_TRY_LINK([#include <langinfo.h>],
-	[char* cs = nl_langinfo(CODESET);],
+	[char* cs = nl_langinfo(CODESET); (void)cs],
 	am_cv_langinfo_codeset=yes,
 	am_cv_langinfo_codeset=no)
 	])
-	if test $am_cv_langinfo_codeset = yes; then
+	if test "$am_cv_langinfo_codeset" = yes; then
 		AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
 		[Define if you have <langinfo.h> and nl_langinfo(CODESET).])
 	fi
@@ -92,10 +92,11 @@ define([CF_ACVERSION_COMPARE],
 [ifelse([$8], , ,[$8])],
 [ifelse([$9], , ,[$9])])])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
+dnl CF_ADD_CFLAGS version: 15 updated: 2020/12/31 10:54:15
 dnl -------------
 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
-dnl The second parameter if given makes this macro verbose.
+dnl $1 = flags to add
+dnl $2 = if given makes this macro verbose.
 dnl
 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
@@ -109,19 +110,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $1
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 				CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
@@ -134,7 +135,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 				CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
@@ -152,7 +153,7 @@ case $cf_fix_cppflags in
 (yes)
 	CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -180,7 +181,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
+dnl CF_ADD_INCDIR version: 16 updated: 2020/12/31 20:19:42
 dnl -------------
 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
@@ -192,9 +193,9 @@ AC_DEFUN([CF_ADD_INCDIR],
 if test -n "$1" ; then
   for cf_add_incdir in $1
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -225,7 +226,7 @@ if test -n "$1" ; then
 		  CF_VERBOSE(adding $cf_add_incdir to include-path)
 		  ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -247,7 +248,7 @@ dnl $1 = library to add, without the "-l"
 dnl $2 = variable to update (default $LIBS)
 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
+dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42
 dnl -------------
 dnl	Adds to the library-path
 dnl
@@ -261,9 +262,9 @@ AC_DEFUN([CF_ADD_LIBDIR],
 if test -n "$1" ; then
 	for cf_add_libdir in $1
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -322,7 +323,7 @@ LIBS=`echo "$LIBS" | sed -e "s/[[ 	]][[ 	]]*/ /g" -e "s%$1 %$1 $2 %" -e 's%  % %
 CF_VERBOSE(...after  $LIBS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
+dnl CF_ADD_SUBDIR_PATH version: 5 updated: 2020/12/31 20:19:42
 dnl ------------------
 dnl Append to a search-list for a nonstandard header/lib-file
 dnl	$1 = the variable to return as result
@@ -334,13 +335,13 @@ AC_DEFUN([CF_ADD_SUBDIR_PATH],
 [
 test "x$4" != "x$5" && \
 test -d "$4" && \
-ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
+ifelse([$5],NONE,,[{ test -z "$5" || test "x$5" = xNONE || test "x$4" != "x$5"; } &&]) {
 	test -n "$verbose" && echo "	... testing for $3-directories under $4"
-	test -d $4/$3 &&          $1="[$]$1 $4/$3"
-	test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
-	test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
-	test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
-	test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
+	test -d "$4/$3" &&          $1="[$]$1 $4/$3"
+	test -d "$4/$3/$2" &&       $1="[$]$1 $4/$3/$2"
+	test -d "$4/$3/$2/$3" &&    $1="[$]$1 $4/$3/$2/$3"
+	test -d "$4/$2/$3" &&       $1="[$]$1 $4/$2/$3"
+	test -d "$4/$2/$3/$2" &&    $1="[$]$1 $4/$2/$3/$2"
 }
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -389,7 +390,7 @@ ifelse([$3],,[    :]dnl
 ])dnl
 ])])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
+dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
 dnl ---------------
 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 dnl into CC.  This will not help with broken scripts that wrap the compiler
@@ -404,7 +405,7 @@ dnl outweighs that limitation.
 AC_DEFUN([CF_CC_ENV_FLAGS],
 [
 # This should have been defined by AC_PROG_CC
-: ${CC:=cc}
+: "${CC:=cc}"
 
 AC_MSG_CHECKING(\$CFLAGS variable)
 case "x$CFLAGS" in
@@ -453,7 +454,7 @@ case "$CC" in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
+dnl CF_CHECK_CACHE version: 13 updated: 2020/12/31 10:54:15
 dnl --------------
 dnl Check if we're accidentally using a cache from a different machine.
 dnl Derive the system name, as a check for reusing the autoconf cache.
@@ -467,7 +468,7 @@ dnl Note: we would use $ac_config_sub, but that is one of the places where
 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 AC_DEFUN([CF_CHECK_CACHE],
 [
-if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
+if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then
 	ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 	system_name="$host_os"
 else
@@ -488,7 +489,7 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CFLAGS version: 3 updated: 2014/07/22 05:32:57
+dnl CF_CHECK_CFLAGS version: 4 updated: 2021/01/02 19:22:58
 dnl ---------------
 dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
 dnl a build-configuration such as imake.  These have the pitfall that they
@@ -506,11 +507,11 @@ AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
 	 if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then
 		 CF_VERBOSE(but keeping change to \$CPPFLAGS)
 	 fi
-	 CFLAGS="$cf_check_flags"])
+	 CFLAGS="$cf_check_cflags"])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CURSES_LIB version: 2 updated: 2018/01/03 04:47:33
+dnl CF_CHECK_CURSES_LIB version: 3 updated: 2021/01/04 19:45:09
 dnl -------------------
 dnl $1 = nominal library name, used also for header lookup
 dnl $2 = suffix to append to library name
@@ -527,7 +528,7 @@ if test "x${NCURSES_CONFIG_PKG}" = xnone; then
 	:
 elif test "x${PKG_CONFIG:=none}" != xnone; then
 	AC_MSG_CHECKING(pkg-config for $1$2)
-	if "$PKG_CONFIG" --exists $1$2 ; then
+	if "$PKG_CONFIG" --exists "$1$2" ; then
 		AC_MSG_RESULT(yes)
 
 		AC_MSG_CHECKING(if the $1$2 package files work)
@@ -535,8 +536,8 @@ elif test "x${PKG_CONFIG:=none}" != xnone; then
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
-		CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $1$2`)
-		CF_ADD_LIBS(`$PKG_CONFIG --libs $1$2`)
+		CF_ADD_CFLAGS(`$PKG_CONFIG --cflags "$1$2"`)
+		CF_ADD_LIBS(`$PKG_CONFIG --libs "$1$2"`)
 
 		AC_TRY_LINK([#include <$1.h>],
 			[(void) $3 ( ]ifelse([$4],,,[[$4]])[ );],
@@ -567,7 +568,7 @@ if test "$cf_have_curses_lib" = no; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
+dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04
 dnl -----------------
 dnl Check if the given compiler is really clang.  clang's C driver defines
 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
@@ -586,21 +587,56 @@ ifelse([$2],,CLANG_COMPILER,[$2])=no
 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 	AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 	cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
-	ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 	AC_TRY_COMPILE([],[
 #ifdef __clang__
 #else
 make an error
 #endif
 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
-cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 ],[])
 	ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 	AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 fi
+
+CLANG_VERSION=none
+
+if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
+	case "$CC" in
+	(c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
+		AC_MSG_WARN(replacing broken compiler alias $CC)
+		CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
+		CC=clang
+		;;
+	esac
+
+	AC_MSG_CHECKING(version of $CC)
+	CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+	test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
+	AC_MSG_RESULT($CLANG_VERSION)
+
+	for cf_clang_opt in \
+		-Qunused-arguments \
+		-Wno-error=implicit-function-declaration
+	do
+		AC_MSG_CHECKING(if option $cf_clang_opt works)
+		cf_save_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS $cf_clang_opt"
+		AC_TRY_LINK([
+			#include <stdio.h>],[
+			printf("hello!\\n");],[
+			cf_clang_optok=yes],[
+			cf_clang_optok=no])
+		AC_MSG_RESULT($cf_clang_optok)
+		CFLAGS="$cf_save_CFLAGS"
+		if test "$cf_clang_optok" = yes; then
+			CF_VERBOSE(adding option $cf_clang_opt)
+			CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
+		fi
+	done
+fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 3 updated: 2020/01/11 18:39:22
+dnl CF_CONST_X_STRING version: 6 updated: 2021/01/01 13:31:04
 dnl -----------------
 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
 dnl character-strings.
@@ -612,7 +648,7 @@ dnl did not take into account the use of const for telling the compiler that
 dnl string literals would be in readonly memory.
 dnl
 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
-dnl let the compiler decide how to represent Xt's strings which were #define'd. 
+dnl let the compiler decide how to represent Xt's strings which were #define'd.
 dnl That does not solve the problem of using the block of Xt's strings which
 dnl are compiled into the library (and is less efficient than one might want).
 dnl
@@ -630,7 +666,7 @@ AC_TRY_COMPILE(
 #include <stdlib.h>
 #include <X11/Intrinsic.h>
 ],
-[String foo = malloc(1)],[
+[String foo = malloc(1); (void)foo],[
 
 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
 	AC_TRY_COMPILE(
@@ -648,7 +684,7 @@ AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
 
 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
 
-case $cf_cv_const_x_string in
+case "$cf_cv_const_x_string" in
 (no)
 	CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
 	;;
@@ -660,7 +696,7 @@ esac
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_ACS_MAP version: 7 updated: 2012/10/06 16:39:58
+dnl CF_CURSES_ACS_MAP version: 8 updated: 2021/01/04 19:45:09
 dnl -----------------
 dnl Check for likely values of acs_map[]:
 AC_DEFUN([CF_CURSES_ACS_MAP],
@@ -673,7 +709,7 @@ do
 AC_TRY_LINK([
 #include <${cf_cv_ncurses_header:-curses.h}>
 ],[
-$name['k'] = ACS_PLUS
+${name}['k'] = ACS_PLUS
 ],[cf_cv_curses_acs_map=$name; break])
 done
 ])
@@ -681,7 +717,7 @@ done
 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map,[Define as needed to override ncurses prefix _nc_])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_CHECK_DATA version: 9 updated: 2020/02/08 21:00:26
+dnl CF_CURSES_CHECK_DATA version: 10 updated: 2021/01/04 19:45:09
 dnl --------------------
 dnl Check if curses.h defines the given data/variable.
 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
@@ -700,7 +736,7 @@ CF__CURSES_DATA(foo,$cf_data)
 ],[cf_result=no])
 AC_MSG_RESULT($cf_result)
 
-if test $cf_result = yes ; then
+if test "$cf_result" = yes ; then
 	CF_UPPER(cf_result,have_curses_data_$cf_data)
 	AC_DEFINE_UNQUOTED($cf_result)
 	ifelse($2,,,[$2])
@@ -726,7 +762,7 @@ int main(void)
 ],[cf_result=yes],[cf_result=no])
 ])
 	AC_MSG_RESULT($cf_result)
-	if test $cf_result = yes ; then
+	if test "$cf_result" = yes ; then
 		CF_UPPER(cf_result,decl_curses_data_$cf_data)
 		AC_DEFINE_UNQUOTED($cf_result)
 		# do not exit loop here, since we prefer system's declarations
@@ -735,7 +771,7 @@ fi
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_CHECK_TYPE version: 4 updated: 2012/10/06 16:39:58
+dnl CF_CURSES_CHECK_TYPE version: 5 updated: 2021/01/04 19:45:09
 dnl --------------------
 dnl Check if curses.h defines the given type
 AC_DEFUN([CF_CURSES_CHECK_TYPE],
@@ -749,7 +785,7 @@ AC_TRY_COMPILE([
 $1 foo
 ],cf_result=yes,cf_result=no)
 AC_MSG_RESULT($cf_result)
-if test $cf_result = yes ; then
+if test "$cf_result" = yes ; then
 	CF_UPPER(cf_result,have_type_$1)
 	AC_DEFINE_UNQUOTED($cf_result,1,[Define to 1 if we have type $1])
 else
@@ -769,14 +805,14 @@ CF_NCURSES_VERSION
 CF_CURSES_LIBS
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_CPPFLAGS version: 13 updated: 2018/06/20 20:23:13
+dnl CF_CURSES_CPPFLAGS version: 14 updated: 2021/01/02 09:31:20
 dnl ------------------
 dnl Look for the curses headers.
 AC_DEFUN([CF_CURSES_CPPFLAGS],[
 
 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
 cf_cv_curses_incdir=no
-case $host_os in
+case "$host_os" in
 (hpux10.*)
 	if test "x$cf_cv_screen" = "xcurses_colr"
 	then
@@ -803,7 +839,7 @@ CF_CURSES_HEADER
 CF_TERM_HEADER
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_FUNCS version: 19 updated: 2018/01/03 04:47:33
+dnl CF_CURSES_FUNCS version: 20 updated: 2020/12/31 20:19:42
 dnl ---------------
 dnl Curses-functions are a little complicated, since a lot of them are macros.
 AC_DEFUN([CF_CURSES_FUNCS],
@@ -824,7 +860,7 @@ do
 			[
 #ifndef ${cf_func}
 long foo = (long)(&${cf_func});
-fprintf(stderr, "testing linkage of $cf_func:%p\n", (void *)foo);
+fprintf(stderr, "testing linkage of $cf_func:%p\\n", (void *)foo);
 if (foo + 1234L > 5678L)
 	${cf_cv_main_return:-return}(foo != 0);
 #endif
@@ -832,12 +868,12 @@ if (foo + 1234L > 5678L)
 			[cf_result=yes],
 			[cf_result=no])
 		fi
-		eval 'cf_cv_func_'$cf_func'=$cf_result'
+		eval 'cf_cv_func_'$cf_func'="$cf_result"'
 	])
 	# use the computed/retrieved cache-value:
 	eval 'cf_result=$cf_cv_func_'$cf_func
 	AC_MSG_RESULT($cf_result)
-	if test $cf_result != no; then
+	if test "$cf_result" != no; then
 		AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
 	fi
 done
@@ -870,7 +906,7 @@ fi
 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_LIBS version: 42 updated: 2018/06/20 20:23:13
+dnl CF_CURSES_LIBS version: 44 updated: 2021/01/02 09:31:20
 dnl --------------
 dnl Look for the curses libraries.  Older curses implementations may require
 dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
@@ -885,7 +921,7 @@ AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
 AC_MSG_RESULT($cf_result)
 
 if test "$cf_result" = no ; then
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
 	;;
@@ -953,7 +989,7 @@ if test ".$ac_cv_func_initscr" != .yes ; then
 			for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
 			do
 				AC_CHECK_LIB($cf_term_lib,tgoto,[
-					: ${cf_nculib_root:=$cf_term_lib}
+					: "${cf_nculib_root:=$cf_term_lib}"
 					break
 				])
 			done
@@ -974,7 +1010,7 @@ if test ".$ac_cv_func_initscr" != .yes ; then
 					[cf_result=yes],
 					[cf_result=no])
 				AC_MSG_RESULT($cf_result)
-				test $cf_result = yes && break
+				test "$cf_result" = yes && break
 			elif test "$cf_curs_lib" = "$cf_term_lib" ; then
 				cf_result=no
 			elif test "$cf_term_lib" != predefined ; then
@@ -990,17 +1026,17 @@ if test ".$ac_cv_func_initscr" != .yes ; then
 						[cf_result=error])
 					])
 				AC_MSG_RESULT($cf_result)
-				test $cf_result != error && break
+				test "$cf_result" != error && break
 			fi
 		done
 	fi
-	test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
+	test "$cf_curs_lib" = unknown && AC_MSG_ERROR(no curses library found)
 fi
 fi
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_TERM_H version: 11 updated: 2015/04/15 19:08:48
+dnl CF_CURSES_TERM_H version: 15 updated: 2021/01/02 09:31:20
 dnl ----------------
 dnl SVr4 curses should have term.h as well (where it puts the definitions of
 dnl the low-level interface).  This may not be true in old/broken implementations,
@@ -1017,9 +1053,9 @@ AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
 
 cf_header_list="term.h ncurses/term.h ncursesw/term.h"
 
-case ${cf_cv_ncurses_header:-curses.h} in
+case "${cf_cv_ncurses_header:-curses.h}" in
 (*/*)
-	cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
+	cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
 	cf_header_list="$cf_header_item $cf_header_list"
 	;;
 esac
@@ -1029,13 +1065,13 @@ do
 	AC_TRY_COMPILE([
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <${cf_header}>],
-	[WINDOW *x],
+	[WINDOW *x; (void)x],
 	[cf_cv_term_header=$cf_header
 	 break],
 	[cf_cv_term_header=no])
 done
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (no)
 	# If curses is ncurses, some packagers still mess it up by trying to make
 	# us use GNU termcap.  This handles the most common case.
@@ -1048,7 +1084,7 @@ case $cf_cv_term_header in
 #else
 make an error
 #endif],
-			[WINDOW *x],
+			[WINDOW *x; (void)x],
 			[cf_cv_term_header=$cf_header
 			 break],
 			[cf_cv_term_header=no])
@@ -1057,7 +1093,7 @@ make an error
 esac
 ])
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (term.h)
 	AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
 	;;
@@ -1070,7 +1106,7 @@ case $cf_cv_term_header in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_UNCTRL_H version: 4 updated: 2015/04/15 19:08:48
+dnl CF_CURSES_UNCTRL_H version: 8 updated: 2021/01/02 09:31:20
 dnl ------------------
 dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages
 dnl may put it in a subdirectory (along with ncurses' other headers, of
@@ -1087,9 +1123,9 @@ AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[
 
 cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h"
 
-case ${cf_cv_ncurses_header:-curses.h} in
+case "${cf_cv_ncurses_header:-curses.h}" in
 (*/*)
-	cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
+	cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
 	cf_header_list="$cf_header_item $cf_header_list"
 	;;
 esac
@@ -1099,20 +1135,20 @@ do
 	AC_TRY_COMPILE([
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <${cf_header}>],
-	[WINDOW *x],
+	[WINDOW *x; (void)x],
 	[cf_cv_unctrl_header=$cf_header
 	 break],
 	[cf_cv_unctrl_header=no])
 done
 ])
 
-case $cf_cv_unctrl_header in
+case "$cf_cv_unctrl_header" in
 (no)
 	AC_MSG_WARN(unctrl.h header not found)
 	;;
 esac
 
-case $cf_cv_unctrl_header in
+case "$cf_cv_unctrl_header" in
 (unctrl.h)
 	AC_DEFINE(HAVE_UNCTRL_H,1,[Define to 1 if we have unctrl.h])
 	;;
@@ -1125,7 +1161,7 @@ case $cf_cv_unctrl_header in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_WACS_MAP version: 6 updated: 2012/10/06 08:57:51
+dnl CF_CURSES_WACS_MAP version: 8 updated: 2021/01/04 19:45:09
 dnl ------------------
 dnl Check for likely values of wacs_map[].
 AC_DEFUN([CF_CURSES_WACS_MAP],
@@ -1139,7 +1175,7 @@ AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
 #define _XOPEN_SOURCE_EXTENDED
 #endif
 #include <${cf_cv_ncurses_header:-curses.h}>],
-	[void *foo = &($name['k'])],
+	[void *foo = &(${name}['k']); (void)foo],
 	[cf_cv_curses_wacs_map=$name
 	 break])
 	done])
@@ -1147,7 +1183,7 @@ AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
 test "$cf_cv_curses_wacs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_WACS_ARRAY,$cf_cv_curses_wacs_map,[Define to name of (n)curses wide-character array])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_WACS_SYMBOLS version: 2 updated: 2012/10/06 08:57:51
+dnl CF_CURSES_WACS_SYMBOLS version: 4 updated: 2021/01/04 19:45:09
 dnl ----------------------
 dnl Do a check to see if the WACS_xxx constants are defined compatibly with
 dnl X/Open Curses.  In particular, NetBSD's implementation of the WACS_xxx
@@ -1166,7 +1202,7 @@ then
 #endif
 #include <${cf_cv_ncurses_header:-curses.h}>],
 	[cchar_t *foo = WACS_PLUS;
-	 $cf_cv_curses_wacs_map['k'] = *WACS_PLUS],
+	 ${cf_cv_curses_wacs_map}['k'] = *WACS_PLUS; (void)foo],
 	[cf_cv_curses_wacs_symbols=yes])
 else
 	AC_TRY_LINK([
@@ -1174,7 +1210,7 @@ else
 #define _XOPEN_SOURCE_EXTENDED
 #endif
 #include <${cf_cv_ncurses_header:-curses.h}>],
-	[cchar_t *foo = WACS_PLUS],
+	[cchar_t *foo = WACS_PLUS; (void)foo],
 	[cf_cv_curses_wacs_symbols=yes])
 fi
 ])
@@ -1182,10 +1218,10 @@ fi
 test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS,1,[Define to 1 if (n)curses supports wide-character WACS_ symbols])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
+dnl CF_DIRNAME version: 5 updated: 2020/12/31 20:19:42
 dnl ----------
 dnl "dirname" is not portable, so we fake it with a shell script.
-AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
+AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 dnl ---------------
@@ -1224,7 +1260,7 @@ AC_SUBST(SHOW_CC)
 AC_SUBST(ECHO_CC)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
+dnl CF_DISABLE_LEAKS version: 8 updated: 2021/01/05 20:05:09
 dnl ----------------
 dnl Combine no-leak checks with the libraries or tools that are used for the
 dnl checks.
@@ -1237,17 +1273,19 @@ AC_REQUIRE([CF_WITH_VALGRIND])
 AC_MSG_CHECKING(if you want to perform memory-leak testing)
 AC_ARG_ENABLE(leaks,
 	[  --disable-leaks         test: free permanent memory, analyze leaks],
-	[if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
-	: ${with_no_leaks:=no})
+	[enable_leaks=no],
+	[enable_leaks=yes])
+dnl TODO - drop with_no_leaks
+if test "x$enable_leaks" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi
 AC_MSG_RESULT($with_no_leaks)
 
-if test "$with_no_leaks" = yes ; then
+if test "$enable_leaks" = no ; then
 	AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
 	AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
+dnl CF_DISABLE_RPATH_HACK version: 3 updated: 2021/01/05 20:14:44
 dnl ---------------------
 dnl The rpath-hack makes it simpler to build programs, particularly with the
 dnl *BSD ports which may have essential libraries in unusual places.  But it
@@ -1258,15 +1296,18 @@ AC_DEFUN([CF_DISABLE_RPATH_HACK],
 AC_MSG_CHECKING(if rpath-hack should be disabled)
 CF_ARG_DISABLE(rpath-hack,
 	[  --disable-rpath-hack    don't add rpath options for additional libraries],
-	[cf_disable_rpath_hack=yes],
-	[cf_disable_rpath_hack=no])
+	[enable_rpath_hack=no],
+	[enable_rpath_hack=yes])
+dnl TODO - drop cf_disable_rpath_hack
+if test "x$enable_rpath_hack" = xno; then cf_disable_rpath_hack=yes; else cf_disable_rpath_hack=no; fi
 AC_MSG_RESULT($cf_disable_rpath_hack)
-if test "$cf_disable_rpath_hack" = no ; then
+
+if test "$enable_rpath_hack" = yes ; then
 	CF_RPATH_HACK
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
+dnl CF_ENABLE_STRING_HACKS version: 6 updated: 2021/01/05 19:23:48
 dnl ----------------------
 dnl On a few platforms, the compiler and/or loader nags with untruthful
 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
@@ -1286,11 +1327,11 @@ AC_DEFUN([CF_ENABLE_STRING_HACKS],
 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
 AC_ARG_ENABLE(string-hacks,
 	[  --enable-string-hacks   work around bogus compiler/loader warnings],
-	[with_string_hacks=$enableval],
-	[with_string_hacks=no])
-AC_MSG_RESULT($with_string_hacks)
+	[enable_string_hacks=$enableval],
+	[enable_string_hacks=no])
+AC_MSG_RESULT($enable_string_hacks)
 
-if test "x$with_string_hacks" = "xyes"; then
+if test "x$enable_string_hacks" = "xyes"; then
  	AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
 	AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
 	AC_CHECK_FUNC(strlcat,[
@@ -1306,27 +1347,37 @@ if test "x$with_string_hacks" = "xyes"; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_WARNINGS version: 5 updated: 2017/09/29 20:01:16
+dnl CF_ENABLE_WARNINGS version: 9 updated: 2021/01/05 19:40:50
 dnl ------------------
 dnl Configure-option to enable gcc warnings
+dnl
+dnl $1 = extra options to add, if supported
+dnl $2 = option for checking attributes.  By default, this is done when
+dnl      warnings are enabled.  For other values:
+dnl      yes: always do this, e.g., to use in generated library-headers
+dnl      no: never do this
 AC_DEFUN([CF_ENABLE_WARNINGS],[
-if ( test "$GCC" = yes || test "$GXX" = yes )
+if test "$GCC" = yes || test "$GXX" = yes
 then
+CF_FIX_WARNINGS(CFLAGS)
+CF_FIX_WARNINGS(CPPFLAGS)
+CF_FIX_WARNINGS(LDFLAGS)
 AC_MSG_CHECKING(if you want to turn on gcc warnings)
 CF_ARG_ENABLE(warnings,
 	[  --enable-warnings       test: turn on gcc compiler warnings],
-	[with_warnings=yes],
-	[with_warnings=no])
-AC_MSG_RESULT($with_warnings)
-if test "$with_warnings" = "yes"
+	[enable_warnings=yes],
+	[enable_warnings=no])
+AC_MSG_RESULT($enable_warnings)
+if test "$enable_warnings" = "yes"
 then
-	CF_GCC_ATTRIBUTES
+	ifelse($2,,[CF_GCC_ATTRIBUTES])
 	CF_GCC_WARNINGS($1)
 fi
+ifelse($2,yes,[CF_GCC_ATTRIBUTES])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
+dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20
 dnl ---------------
 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 dnl prefer a standard location, and use -L options only if we do not find the
@@ -1342,16 +1393,16 @@ dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 dnl to use a -L option.
 AC_DEFUN([CF_FIND_LIBRARY],
 [
-	eval 'cf_cv_have_lib_'$1'=no'
+	eval 'cf_cv_have_lib_'"$1"'=no'
 	cf_libdir=""
 	AC_CHECK_FUNC($5,
-		eval 'cf_cv_have_lib_'$1'=yes',[
+		eval 'cf_cv_have_lib_'"$1"'=yes',[
 		cf_save_LIBS="$LIBS"
 		AC_MSG_CHECKING(for $5 in -l$1)
 		LIBS="-l$1 $LIBS"
 		AC_TRY_LINK([$3],[$4],
 			[AC_MSG_RESULT(yes)
-			 eval 'cf_cv_have_lib_'$1'=yes'
+			 eval 'cf_cv_have_lib_'"$1"'=yes'
 			],
 			[AC_MSG_RESULT(no)
 			CF_LIBRARY_PATH(cf_search,$2)
@@ -1361,22 +1412,22 @@ AC_DEFUN([CF_FIND_LIBRARY],
 				LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 				AC_TRY_LINK([$3],[$4],
 					[AC_MSG_RESULT(yes)
-			 		 eval 'cf_cv_have_lib_'$1'=yes'
+			 		 eval 'cf_cv_have_lib_'"$1"'=yes'
 					 break],
 					[AC_MSG_RESULT(no)
 					 LIBS="$cf_save_LIBS"])
 			done
 			])
 		])
-eval 'cf_found_library=[$]cf_cv_have_lib_'$1
+eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\"
 ifelse($6,,[
-if test $cf_found_library = no ; then
+if test "$cf_found_library" = no ; then
 	AC_MSG_ERROR(Cannot link $1 library)
 fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
+dnl CF_FIND_LINKAGE version: 22 updated: 2020/12/31 20:19:42
 dnl ---------------
 dnl Find a library (specifically the linkage used in the code fragment),
 dnl searching for it if it is not already in the library path.
@@ -1433,7 +1484,7 @@ AC_TRY_LINK([$1],[$2],[
 	CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 	for cf_cv_header_path_$3 in $cf_search
 	do
-		if test -d $cf_cv_header_path_$3 ; then
+		if test -d "$cf_cv_header_path_$3" ; then
 			CF_VERBOSE(... testing $cf_cv_header_path_$3)
 			CPPFLAGS="$cf_save_CPPFLAGS"
 			CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
@@ -1468,7 +1519,7 @@ AC_TRY_LINK([$1],[$2],[
 			CF_LIBRARY_PATH(cf_search,$3)
 			for cf_cv_library_path_$3 in $cf_search
 			do
-				if test -d $cf_cv_library_path_$3 ; then
+				if test -d "$cf_cv_library_path_$3" ; then
 					CF_VERBOSE(... testing $cf_cv_library_path_$3)
 					CPPFLAGS="$cf_test_CPPFLAGS"
 					LIBS="-l$3 $7 $cf_save_LIBS"
@@ -1507,7 +1558,41 @@ ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_CURSES_VERSION version: 7 updated: 2017/05/10 18:31:29
+dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20
+dnl ---------------
+dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc.  Any of gcc's
+dnl "-Werror" flags can interfere with configure-checks.  Those go into
+dnl EXTRA_CFLAGS.
+dnl
+dnl $1 = variable name to repair
+define([CF_FIX_WARNINGS],[
+if test "$GCC" = yes || test "$GXX" = yes
+then
+	case [$]$1 in
+	(*-Werror=*)
+		CF_VERBOSE(repairing $1: [$]$1)
+		cf_temp_flags=
+		for cf_temp_scan in [$]$1
+		do
+			case "x$cf_temp_scan" in
+			(x-Werror=*)
+				CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan)
+				;;
+			(*)
+				CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
+				;;
+			esac
+		done
+		$1="$cf_temp_flags"
+		CF_VERBOSE(... fixed [$]$1)
+		CF_VERBOSE(... extra $EXTRA_CFLAGS)
+		;;
+	esac
+fi
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_CURSES_VERSION version: 8 updated: 2021/01/02 09:31:20
 dnl ----------------------
 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
 dnl It's a character string "SVR4", not documented.
@@ -1519,7 +1604,7 @@ AC_TRY_RUN([
 int main(void)
 {
 	char temp[1024];
-	sprintf(temp, "%s\n", curses_version());
+	sprintf(temp, "%s\\n", curses_version());
 	${cf_cv_main_return:-return}(0);
 }]
 ,[cf_cv_func_curses_version=yes]
@@ -1529,7 +1614,7 @@ rm -f core])
 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
+dnl CF_FUNC_OPENPTY version: 6 updated: 2021/01/01 13:31:04
 dnl ---------------
 dnl Check for openpty() function, along with <pty.h> header.  It may need the
 dnl "util" library as well.
@@ -1538,7 +1623,7 @@ AC_DEFUN([CF_FUNC_OPENPTY],
 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
 	cf_save_LIBS="$LIBS"
-	test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
+	test "$cf_cv_lib_util" = yes && { CF_ADD_LIB(util) }
 	for cf_header in pty.h libutil.h util.h
 	do
 	AC_TRY_LINK([
@@ -1557,14 +1642,15 @@ AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
+dnl CF_GCC_ATTRIBUTES version: 23 updated: 2021/01/03 18:30:50
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 dnl to documentation, unrecognized directives cause older compilers to barf.
 AC_DEFUN([CF_GCC_ATTRIBUTES],
-[
-if test "$GCC" = yes
+[AC_REQUIRE([AC_PROG_FGREP])dnl
+
+if test "$GCC" = yes || test "$GXX" = yes
 then
 cat > conftest.i <<EOF
 #ifndef GCC_PRINTF
@@ -1583,7 +1669,7 @@ EOF
 if test "$GCC" = yes
 then
 	AC_CHECKING([for $CC __attribute__ directives])
-cat > conftest.$ac_ext <<EOF
+cat > "conftest.$ac_ext" <<EOF
 #line __oline__ "${as_me:-configure}"
 #include "confdefs.h"
 #include "conftest.h"
@@ -1601,7 +1687,7 @@ cat > conftest.$ac_ext <<EOF
 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
+int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
 EOF
 	cf_printf_attribute=no
 	cf_scanf_attribute=no
@@ -1611,7 +1697,7 @@ EOF
 		cf_directive="__attribute__(($cf_attribute))"
 		echo "checking for $CC $cf_directive" 1>&AC_FD_CC
 
-		case $cf_attribute in
+		case "$cf_attribute" in
 		(printf)
 			cf_printf_attribute=yes
 			cat >conftest.h <<EOF
@@ -1634,7 +1720,7 @@ EOF
 		if AC_TRY_EVAL(ac_compile); then
 			test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
 			cat conftest.h >>confdefs.h
-			case $cf_attribute in
+			case "$cf_attribute" in
 			(noreturn)
 				AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
 				;;
@@ -1661,9 +1747,9 @@ EOF
 		fi
 	done
 else
-	fgrep define conftest.i >>confdefs.h
+	${FGREP-fgrep} define conftest.i >>confdefs.h
 fi
-rm -rf conftest*
+rm -rf ./conftest*
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -1684,7 +1770,7 @@ CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 37 updated: 2020/01/05 20:04:12
+dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59
 dnl ---------------
 dnl Check if the compiler supports useful warning options.  There's a few that
 dnl we don't use, simply because they're too noisy:
@@ -1708,7 +1794,7 @@ AC_DEFUN([CF_GCC_WARNINGS],
 [
 AC_REQUIRE([CF_GCC_VERSION])
 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
-cat > conftest.$ac_ext <<EOF
+cat > "conftest.$ac_ext" <<EOF
 #line __oline__ "${as_me:-configure}"
 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
 EOF
@@ -1727,7 +1813,7 @@ then
 
 	AC_CHECKING([for $CC warning options])
 	cf_save_CFLAGS="$CFLAGS"
-	EXTRA_CFLAGS="-Wall"
+	EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
 	for cf_opt in \
 		wd1419 \
 		wd1683 \
@@ -1750,7 +1836,6 @@ elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
 then
 	AC_CHECKING([for $CC warning options])
 	cf_save_CFLAGS="$CFLAGS"
-	EXTRA_CFLAGS=
 	cf_warn_CONST=""
 	test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
 	cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
@@ -1773,16 +1858,16 @@ then
 		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
 		if AC_TRY_EVAL(ac_compile); then
 			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
-			case $cf_opt in
+			case "$cf_opt" in
 			(Winline)
-				case $GCC_VERSION in
+				case "$GCC_VERSION" in
 				([[34]].*)
 					CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
 					continue;;
 				esac
 				;;
 			(Wpointer-arith)
-				case $GCC_VERSION in
+				case "$GCC_VERSION" in
 				([[12]].*)
 					CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
 					continue;;
@@ -1794,12 +1879,12 @@ then
 	done
 	CFLAGS="$cf_save_CFLAGS"
 fi
-rm -rf conftest*
+rm -rf ./conftest*
 
 AC_SUBST(EXTRA_CFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
+dnl CF_GETOPT_HEADER version: 7 updated: 2021/01/01 13:31:04
 dnl ----------------
 dnl Check for getopt's variables which are commonly defined in stdlib.h,
 dnl unistd.h or (nonstandard) in getopt.h
@@ -1817,10 +1902,10 @@ AC_TRY_COMPILE([
  break])
 done
 ])
-if test $cf_cv_getopt_header != none ; then
+if test "$cf_cv_getopt_header" != none ; then
 	AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
 fi
-if test $cf_cv_getopt_header = getopt.h ; then
+if test "$cf_cv_getopt_header" = getopt.h ; then
 	AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
 fi
 ])dnl
@@ -1936,7 +2021,7 @@ if test x$cf_cv_gnu_library = xyes; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
+dnl CF_HEADER_PATH version: 15 updated: 2021/01/01 13:31:04
 dnl --------------
 dnl Construct a search-list of directories for a nonstandard header-file
 dnl
@@ -1952,7 +2037,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 			CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
@@ -1968,15 +2053,15 @@ CF_SUBDIR_PATH($1,$2,include)
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    $1="[$]$1 $includedir"
-	test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
+	test -d "$includedir" &&    $1="[$]$1 $includedir"
+	test -d "$includedir/$2" && $1="[$]$1 $includedir/$2"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
-	test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
+	test -d "$oldincludedir"    && $1="[$]$1 $oldincludedir"
+	test -d "$oldincludedir/$2" && $1="[$]$1 $oldincludedir/$2"
 }
 
 $1="[$]$1 $cf_header_path_list"
@@ -2008,7 +2093,7 @@ CF_INSTALL_OPT_P
 CF_INSTALL_OPT_O
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
+dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42
 dnl ----------------
 dnl Almost all "install" programs default to the current user's ownership.
 dnl Almost - MINIX is an exception.
@@ -2027,7 +2112,7 @@ esac
 AC_MSG_RESULT($with_install_o)
 if test "x$with_install_o" = xyes
 then
-	INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
+	INSTALL_OPT_O="`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`"
 else
 	INSTALL_OPT_O=
 fi
@@ -2035,16 +2120,16 @@ fi
 AC_SUBST(INSTALL_OPT_O)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
+dnl CF_INSTALL_OPT_P version: 3 updated: 2021/01/01 13:31:04
 dnl ----------------
 dnl Some install-programs accept a "-p" option to preserve file modification
 dnl timestamps.  That can be useful as an install option, as well as a way to
 dnl avoid the need for ranlib after copying a static archive.
 AC_DEFUN([CF_INSTALL_OPT_P],
 [
-: ${INSTALL:=install}
+: "${INSTALL:=install}"
 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
-	rm -rf conftest*
+	rm -rf ./conftest*
 	date >conftest.in
 	mkdir conftest.out
 	sleep 3
@@ -2066,11 +2151,11 @@ AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
 	else
 		cf_cv_install_p=no
 	fi
-	rm -rf conftest*
+	rm -rf ./conftest*
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
+dnl CF_INSTALL_OPT_S version: 3 updated: 2021/01/05 19:23:48
 dnl ----------------
 dnl By default, we should strip executables which are installed, but leave the
 dnl ability to suppress that for unit-testing.
@@ -2079,11 +2164,11 @@ AC_DEFUN([CF_INSTALL_OPT_S],
 AC_MSG_CHECKING(if you want to install stripped executables)
 CF_ARG_DISABLE(stripping,
 	[  --disable-stripping     do not strip (debug info) installed executables],
-	[with_stripping=no],
-	[with_stripping=yes])
-AC_MSG_RESULT($with_stripping)
+	[enable_stripping=no],
+	[enable_stripping=yes])
+AC_MSG_RESULT($enable_stripping)
 
-if test "$with_stripping" = yes
+if test "$enable_stripping" = yes
 then
 	INSTALL_OPT_S="-s"
 else
@@ -2092,7 +2177,7 @@ fi
 AC_SUBST(INSTALL_OPT_S)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
+dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
@@ -2110,7 +2195,7 @@ AC_REQUIRE([AC_CANONICAL_HOST])
 ifelse([$2],,INTEL_COMPILER,[$2])=no
 
 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
-	case $host_os in
+	case "$host_os" in
 	(linux*|gnu*)
 		AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
 		cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
@@ -2130,7 +2215,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147"
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
+dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04
 dnl ---------------
 dnl For the given system and compiler, find the compiler flags to pass to the
 dnl loader to use the "rpath" feature.
@@ -2142,7 +2227,7 @@ LD_RPATH_OPT=
 if test "x$cf_cv_enable_rpath" != xno
 then
 	AC_MSG_CHECKING(for an rpath option)
-	case $cf_cv_system_name in
+	case "$cf_cv_system_name" in
 	(irix*)
 		if test "$GCC" = yes; then
 			LD_RPATH_OPT="-Wl,-rpath,"
@@ -2187,7 +2272,7 @@ then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
+dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04
 dnl ---------------
 dnl Construct a search-list of directories for a nonstandard library-file
 dnl
@@ -2201,7 +2286,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 			CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
@@ -2253,7 +2338,7 @@ AC_SUBST(MAKE_UPPER_TAGS)
 AC_SUBST(MAKE_LOWER_TAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25
+dnl CF_MATH_LIB version: 10 updated: 2020/12/31 18:40:20
 dnl -----------
 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
@@ -2267,7 +2352,7 @@ AC_CACHE_CHECK(if -lm needed for math functions,
 	#include <stdlib.h>
 	#include <math.h>
 	],
-	[double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
+	[double x = rand(); printf("result = %g\\n", ]ifelse([$2],,sin(x),$2)[)],
 	[cf_cv_need_libm=no],
 	[cf_cv_need_libm=yes])])
 if test "$cf_cv_need_libm" = yes
@@ -2278,7 +2363,7 @@ ifelse($1,,[
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
+dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59
 dnl ----------------------
 dnl Check if the file-system supports mixed-case filenames.  If we're able to
 dnl create a lowercase name and see it as uppercase, it doesn't support that.
@@ -2286,8 +2371,8 @@ AC_DEFUN([CF_MIXEDCASE_FILENAMES],
 [
 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
 if test "$cross_compiling" = yes ; then
-	case $target_alias in
-	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
+	case "$target_alias" in
+	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
 		cf_cv_mixedcase=no
 		;;
 	(*)
@@ -2316,7 +2401,7 @@ AC_DEFUN([CF_MSG_LOG],[
 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
+dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42
 dnl -------------------
 dnl Check if we can compile with ncurses' header file
 dnl $1 is the cache variable to set
@@ -2336,10 +2421,10 @@ AC_DEFUN([CF_NCURSES_CC_CHECK],[
 	make an error
 #endif
 ])[
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -2349,7 +2434,7 @@ printf("old\n");
 	,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
+dnl CF_NCURSES_CONFIG version: 26 updated: 2021/01/03 08:05:37
 dnl -----------------
 dnl Tie together the configure-script macros for ncurses, preferring these in
 dnl order:
@@ -2371,14 +2456,50 @@ if test "x${PKG_CONFIG:=none}" != xnone; then
 		AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
-		CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
-		CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[[89]]9@@*-W*)
+			CF_ADD_CFLAGS($cf_pkg_cflags)
+			CF_ADD_LIBS($cf_pkg_libs)
+
+			AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+				[initscr(); mousemask(0,0); tigetstr((char *)0);],
+				[AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
+					int main(void)
+					{ char *xx = curses_version(); return (xx == 0); }],
+					[cf_test_ncuconfig=yes],
+					[cf_test_ncuconfig=no],
+					[cf_test_ncuconfig=maybe])],
+				[cf_test_ncuconfig=no])
+
+			CFLAGS="$cf_save_CFLAGS"
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ 	]]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ 	]]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
+
+		CF_ADD_CFLAGS($cf_pkg_cflags)
+		CF_ADD_LIBS($cf_pkg_libs)
 
 		AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
-			[initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+			[initscr(); mousemask(0,0); tigetstr((char *)0);],
 			[AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
 				int main(void)
 				{ char *xx = curses_version(); return (xx == 0); }],
@@ -2430,7 +2551,7 @@ if test "x$cf_have_ncuconfig" = "xno"; then
 		AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
 
 		dnl like CF_NCURSES_VERSION
-		cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+		cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -2443,7 +2564,7 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
+dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20
 dnl -------------------
 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
 dnl the CPPFLAGS variable so we can include its header.
@@ -2477,7 +2598,7 @@ test "$cf_cv_curses_dir" != "no" && { \
 
 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 		CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
@@ -2529,7 +2650,7 @@ AC_TRY_LINK([
 test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 if we have ncurses extensions])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
+dnl CF_NCURSES_HEADER version: 7 updated: 2021/01/04 19:33:05
 dnl -----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 dnl variations of ncurses' installs.
@@ -2544,7 +2665,7 @@ else
 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
 	test -n "$verbose" && echo
 	CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -2556,7 +2677,7 @@ AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
 			CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&AC_FD_MSG
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&AC_FD_MSG
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
@@ -2568,9 +2689,9 @@ AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
 	])
 
 	CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 	CF_ADD_INCDIR($cf_1st_incdir)
 
@@ -2578,13 +2699,13 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 	AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 	AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
 	;;
@@ -2595,7 +2716,7 @@ esac
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
+dnl CF_NCURSES_LIBS version: 20 updated: 2021/01/03 08:05:37
 dnl ---------------
 dnl Look for the ncurses library.  This is a little complicated on Linux,
 dnl because it may be linked with the gpm (general purpose mouse) library.
@@ -2621,7 +2742,7 @@ AC_CHECK_LIB(gpm,Gpm_Open,
 		[LIBS="$cf_ncurses_SAVE"],
 		[cf_ncurses_LIBS="-lgpm"])])
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
 	# version of ncurses (but it should do no harm, since it's static).
@@ -2633,7 +2754,7 @@ esac
 
 CF_ADD_LIBS($cf_ncurses_LIBS)
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 	CF_ADD_LIBS(-l$cf_nculib_root)
 else
@@ -2647,13 +2768,13 @@ if test -n "$cf_ncurses_LIBS" ; then
 	AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
 	AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
-		[initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+		[initscr(); mousemask(0,0); tigetstr((char *)0);],
 		[AC_MSG_RESULT(yes)],
 		[AC_MSG_RESULT(no)
 		 LIBS="$cf_ncurses_SAVE"])
@@ -2678,7 +2799,7 @@ then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
+dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42
 dnl ------------------
 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
@@ -2689,7 +2810,7 @@ AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	AC_TRY_RUN([
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <stdio.h>
@@ -2698,13 +2819,13 @@ int main(void)
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -2715,7 +2836,7 @@ int main(void)
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -2730,12 +2851,12 @@ EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
 	AC_TRY_EVAL(cf_try)
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 ])
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 ])
 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
 ])dnl
@@ -2795,7 +2916,7 @@ AC_TRY_COMPILE([
 test "$cf_cv_netbsd_menu_h" = yes && AC_DEFINE(HAVE_NETBSD_MENU_H,1,[Define to 1 if we appear to be using NetBSD menu.h])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00
+dnl CF_NO_LEAKS_OPTION version: 8 updated: 2021/01/05 20:05:09
 dnl ------------------
 dnl see CF_WITH_NO_LEAKS
 AC_DEFUN([CF_NO_LEAKS_OPTION],[
@@ -2805,13 +2926,13 @@ AC_ARG_WITH($1,
 	[AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
 	 $4
 ])
-	: ${with_cflags:=-g}
-	: ${with_no_leaks:=yes}
+	: "${with_cflags:=-g}"
+	: "${enable_leaks:=no}"
 	 with_$1=yes],
 	[with_$1=])
 AC_MSG_RESULT(${with_$1:-no})
 
-case .$with_cflags in
+case ".$with_cflags" in
 (.*-g*)
 	case .$CFLAGS in
 	(.*-g*)
@@ -2824,7 +2945,7 @@ case .$with_cflags in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
+dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20
 dnl --------------
 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
 dnl begins with one of the prefix/exec_prefix variables, and then again if the
@@ -2844,16 +2965,16 @@ case ".[$]$1" in
 	;;
 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
 	;;
-(.\[$]{*prefix}*|.\[$]{*dir}*)
+(.\[$]\{*prefix\}*|.\[$]\{*dir\}*)
 	eval $1="[$]$1"
 	case ".[$]$1" in
 	(.NONE/*)
-		$1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+		$1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	$1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+	$1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
 	ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
@@ -2861,7 +2982,7 @@ case ".[$]$1" in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PDCURSES_X11 version: 14 updated: 2018/06/20 20:23:13
+dnl CF_PDCURSES_X11 version: 15 updated: 2021/01/02 09:31:20
 dnl ---------------
 dnl Configure for PDCurses' X11 library
 AC_DEFUN([CF_PDCURSES_X11],[
@@ -2897,7 +3018,7 @@ char *XCursesProgramName = "test";
 
 fi
 
-if test $cf_cv_lib_XCurses = yes ; then
+if test "$cf_cv_lib_XCurses" = yes ; then
 	AC_DEFINE(UNIX,1,[Define to 1 if using PDCurses on Unix])
 	AC_DEFINE(XCURSES,1,[Define to 1 if using PDCurses on Unix])
 	AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES,1,[Define to 1 if using PDCurses on Unix]))
@@ -2906,7 +3027,7 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
+dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04
 dnl -------------
 dnl Check for the package-config program, unless disabled by command-line.
 AC_DEFUN([CF_PKG_CONFIG],
@@ -2918,7 +3039,7 @@ AC_ARG_WITH(pkg-config,
 	[cf_pkg_config=yes])
 AC_MSG_RESULT($cf_pkg_config)
 
-case $cf_pkg_config in
+case "$cf_pkg_config" in
 (no)
 	PKG_CONFIG=none
 	;;
@@ -3048,7 +3169,7 @@ AC_TRY_COMPILE([#include <stdio.h>],[
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
+dnl CF_PRG_RULES version: 2 updated: 2021/01/01 13:31:04
 dnl ------------
 dnl Append definitions and rules for the given programs to the subdirectory
 dnl Makefiles, and the recursion rule for the top-level Makefile.
@@ -3063,10 +3184,10 @@ AC_DEFUN([CF_PRG_RULES],
 [
 for cf_dir in $2
 do
-	if test ! -d $srcdir/$cf_dir; then
+	if test ! -d "$srcdir/$cf_dir" ; then
 		continue
-	elif test -f $srcdir/$cf_dir/programs; then
-		$AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
+	elif test -f "$srcdir/$cf_dir/programs" ; then
+		$AWK -f $1 "$srcdir/$cf_dir/programs" >>$cf_dir/Makefile
 	fi
 done
 
@@ -3089,7 +3210,7 @@ CF_ACVERSION_CHECK(2.52,
 CF_CC_ENV_FLAGS
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
+dnl CF_PROG_INSTALL version: 10 updated: 2021/01/04 19:33:05
 dnl ---------------
 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
 dnl misc/tabset install won't work properly.  Usually this happens only when
@@ -3102,7 +3223,7 @@ case $INSTALL in
 (*)
 	CF_DIRNAME(cf_dir,$INSTALL)
 	test -z "$cf_dir" && cf_dir=.
-	INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
+	INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`"
 	;;
 esac
 ])dnl
@@ -3148,11 +3269,12 @@ CFLAGS="$cf_save_CFLAGS_$1"
 CPPFLAGS="$cf_save_CPPFLAGS_$1"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
+dnl CF_RPATH_HACK version: 13 updated: 2021/01/03 18:30:50
 dnl -------------
 AC_DEFUN([CF_RPATH_HACK],
-[
-AC_REQUIRE([CF_LD_RPATH_OPT])
+[AC_REQUIRE([AC_PROG_FGREP])dnl
+AC_REQUIRE([CF_LD_RPATH_OPT])dnl
+
 AC_MSG_CHECKING(for updated LDFLAGS)
 if test -n "$LD_RPATH_OPT" ; then
 	AC_MSG_RESULT(maybe)
@@ -3165,8 +3287,8 @@ if test -n "$LD_RPATH_OPT" ; then
 
 AC_TRY_LINK([#include <stdio.h>],
 		[printf("Hello");],
-		[cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
-		 cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ 	]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
+		[cf_rpath_oops=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
+		 cf_rpath_list=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} / | sed -e 's%^.*[[ 	]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
 
 		# If we passed the link-test, but get a "not found" on a given library,
 		# this could be due to inept reconfiguration of gcc to make it only
@@ -3182,7 +3304,7 @@ AC_TRY_LINK([#include <stdio.h>],
 					/usr/pkg \
 					/opt/sfw
 				do
-					if test -f $cf_rpath_dir/lib/$cf_rpath_src
+					if test -f "$cf_rpath_dir/lib/$cf_rpath_src"
 					then
 						CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
 						LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
@@ -3205,7 +3327,7 @@ fi
 AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00
+dnl CF_RPATH_HACK_2 version: 8 updated: 2021/01/01 13:31:04
 dnl ---------------
 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
 dnl EXTRA_LDFLAGS for each -L option found.
@@ -3221,7 +3343,7 @@ CF_VERBOSE(...checking $1 [$]$1)
 cf_rpath_dst=
 for cf_rpath_src in [$]$1
 do
-	case $cf_rpath_src in
+	case "$cf_rpath_src" in
 	(-L*)
 
 		# check if this refers to a directory which we will ignore
@@ -3290,7 +3412,7 @@ do
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SIGWINCH version: 2 updated: 2019/03/23 19:54:44
+dnl CF_SIGWINCH version: 6 updated: 2021/01/01 13:31:04
 dnl -----------
 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
 dnl programs need this test).
@@ -3305,7 +3427,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
 	AC_TRY_COMPILE([
 #include <sys/types.h>
 #include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
 	[cf_cv_define_sigwinch=yes],
 	[AC_TRY_COMPILE([
 #undef _XOPEN_SOURCE
@@ -3313,7 +3435,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
 #undef _POSIX_C_SOURCE
 #include <sys/types.h>
 #include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
 	[cf_cv_define_sigwinch=maybe],
 	[cf_cv_define_sigwinch=no])
 ])
@@ -3323,7 +3445,7 @@ if test "$cf_cv_define_sigwinch" = maybe ; then
 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
 cf_cv_fixup_sigwinch=unknown
 cf_sigwinch=32
-while test $cf_sigwinch != 1
+while test "$cf_sigwinch" != 1
 do
 	AC_TRY_COMPILE([
 #undef _XOPEN_SOURCE
@@ -3335,11 +3457,11 @@ do
 #if SIGWINCH != $cf_sigwinch
 make an error
 #endif
-int x = SIGWINCH],
+int x = SIGWINCH; (void)x],
 	[cf_cv_fixup_sigwinch=$cf_sigwinch
 	 break])
 
-cf_sigwinch=`expr $cf_sigwinch - 1`
+cf_sigwinch="`expr "$cf_sigwinch" - 1`"
 done
 ])
 
@@ -3349,7 +3471,7 @@ done
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SIG_ATOMIC_T version: 4 updated: 2020/01/18 12:30:44
+dnl CF_SIG_ATOMIC_T version: 5 updated: 2020/03/10 18:53:47
 dnl ---------------
 dnl signal handler, but there are some gcc dependencies in that recommendation.
 dnl Try anyway.
@@ -3371,6 +3493,7 @@ extern $cf_type x;
 $cf_type x;
 static void handler(int sig)
 {
+	(void)sig;
 	x = 5;
 }],
 		[signal(SIGINT, handler);
@@ -3431,14 +3554,14 @@ AC_MSG_RESULT($cf_cv_sys_time_select)
 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT,1,[Define to 1 if we can include <sys/time.h> with <sys/select.h>])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
+dnl CF_TERM_HEADER version: 6 updated: 2021/01/02 09:31:20
 dnl --------------
 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
 dnl but some packagers change this, breaking various applications.
 AC_DEFUN([CF_TERM_HEADER],[
 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
 	;;
@@ -3452,7 +3575,7 @@ do
 AC_TRY_COMPILE([#include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <$cf_test>
-],[int x = auto_left_margin],[
+],[int x = auto_left_margin; (void)x],[
 	cf_cv_term_header="$cf_test"],[
 	cf_cv_term_header=unknown
 	])
@@ -3462,13 +3585,13 @@ done
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 	AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 	AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
 	;;
@@ -3487,21 +3610,21 @@ top_builddir=ifelse($1,,`pwd`,$1)
 AC_SUBST(top_builddir)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_TPUTS_PROTO version: 3 updated: 2015/04/17 21:26:14
+dnl CF_TPUTS_PROTO version: 4 updated: 2021/01/04 19:45:09
 dnl --------------
 dnl Check for type of function-pointer passed to tputs.  Some old
 dnl implementations used functions that had different prototypes, making it
 dnl hard to compile portable programs using tputs.
 AC_DEFUN([CF_TPUTS_PROTO],[
 CF_CURSES_FUNCS(tputs)
-if test x$cf_cv_func_tputs = xyes
+if test "x$cf_cv_func_tputs" = xyes
 then
 	cf_done=no
 	for cf_arg in int char
 	do
 		for cf_ret in int void
 		do
-			if test $cf_ret = void
+			if test "$cf_ret" = void
 			then
 				cf_return="/* nothing */"
 			else
@@ -3526,7 +3649,7 @@ EOF
 		break
 ])
 		done
-		test $cf_done = yes && break
+		test "$cf_done" = yes && break
 	done
 fi
 ])dnl
@@ -3547,21 +3670,21 @@ AC_DEFUN([CF_TRIM_X_LIBS],[
 	done
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06
+dnl CF_TRY_PKG_CONFIG version: 6 updated: 2020/12/31 10:54:15
 dnl -----------------
 dnl This is a simple wrapper to use for pkg-config, for libraries which may be
 dnl available in that form.
 dnl
-dnl $1 = package name
+dnl $1 = package name, which may be a shell variable
 dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
 dnl $3 = logic to use if pkg-config does not have the package
 AC_DEFUN([CF_TRY_PKG_CONFIG],[
 AC_REQUIRE([CF_PKG_CONFIG])
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "$1"; then
 	CF_VERBOSE(found package $1)
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   $1 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "$1" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "$1" 2>/dev/null`"
 	CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
 	CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
 	CF_ADD_CFLAGS($cf_pkgconfig_incs)
@@ -3706,7 +3829,7 @@ fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
+dnl CF_WITH_CURSES_DIR version: 4 updated: 2021/01/02 19:22:58
 dnl ------------------
 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
 dnl libraries.
@@ -3719,7 +3842,7 @@ AC_ARG_WITH(curses-dir,
 	[cf_cv_curses_dir=no])
 AC_MSG_RESULT($cf_cv_curses_dir)
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 	CF_PATH_SYNTAX(withval)
 	if test -d "$cf_cv_curses_dir"
@@ -3760,6 +3883,35 @@ if test "$with_dmalloc" = yes ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl --------------------
+dnl Allow for overriding the basename of a library, i.e., the part to which
+dnl prefixes/suffixes are attached.
+dnl
+dnl $1 = variable to set
+dnl $2 = option name
+dnl $3 = default basename for library, if omitted use $2
+AC_DEFUN([CF_WITH_LIB_BASENAME],
+[
+AC_MSG_CHECKING(for desired basename for $2 library)
+AC_ARG_WITH($2-libname,
+	[  --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library],
+	[with_lib_basename=$withval],
+	[with_lib_basename=ifelse($3,,$2,$3)])
+$1="$with_lib_basename"
+
+case "x[$]$1" in
+(x|xno|xnone|xyes)
+	$1=ifelse($3,,$2,$3)
+	;;
+(*)
+	;;
+esac
+
+AC_MSG_RESULT([$]$1)
+AC_SUBST($1)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_NCURSES_ETC version: 5 updated: 2016/02/20 19:23:20
 dnl -------------------
 dnl Use this macro for programs which use any variant of "curses", e.g.,
@@ -3823,6 +3975,23 @@ CF_NCURSES_PTHREADS($cf_cv_screen)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WITH_SCREEN_PDCURSES version: 1 updated: 2020/08/28 16:56:27
+dnl -----------------------
+dnl Call this macro before CF_ENABLE_WARNINGS for configure scripts which use
+dnl the "--with-screen=pdcurses" selection.  Doing that allows the configure
+dnl script to search for the X11/Xt header files to declare (or not) the
+dnl symbol needed to enable "const" in those header files.  If that configure
+dnl option is not used, then those checks are unnecessary.
+AC_DEFUN([CF_WITH_SCREEN_PDCURSES],[
+AC_PROVIDE([AC_PATH_XTRA])
+AC_PROVIDE([AC_PATH_X])
+if test -n "$with_screen" && test "x$with_screen" = "xpdcurses"
+then
+	AC_PATH_X
+	AC_PATH_XTRA
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
 dnl ----------------
 AC_DEFUN([CF_WITH_VALGRIND],[
@@ -3917,7 +4086,7 @@ fi
 AC_SUBST(no_x11_rgb)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_CURSES version: 14 updated: 2018/06/20 20:23:13
+dnl CF_XOPEN_CURSES version: 16 updated: 2021/01/02 09:31:20
 dnl ---------------
 dnl Test if we should define X/Open source for curses, needed on Digital Unix
 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
@@ -3943,7 +4112,14 @@ AC_TRY_LINK([
 #endif
 	long x = winnstr(stdscr, "", 0);
 	int x1, y1;
-	getbegyx(stdscr, y1, x1)],
+#ifdef NCURSES_VERSION
+	(void)check2;
+#endif
+	getbegyx(stdscr, y1, x1);
+	(void)x;
+	(void)y1;
+	(void)x1;
+	],
 	[cf_cv_need_xopen_extension=none],
 	[
 	for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR
@@ -3958,13 +4134,20 @@ AC_TRY_LINK([
 #endif
 		long x = winnstr(stdscr, "", 0);
 		int x1, y1;
-		getbegyx(stdscr, y1, x1)],
+		getbegyx(stdscr, y1, x1);
+#ifdef NCURSES_VERSION
+		(void)check2;
+#endif
+		(void)x;
+		(void)y1;
+		(void)x1;
+		],
 		[cf_cv_need_xopen_extension=$cf_try_xopen_extension; break])
 	done
 	])
 ])
 
-case $cf_cv_need_xopen_extension in
+case "$cf_cv_need_xopen_extension" in
 (*_*)
 	CF_APPEND_TEXT(CPPFLAGS,-D$cf_cv_need_xopen_extension)
 	;;
@@ -3972,7 +4155,7 @@ esac
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
+dnl CF_XOPEN_SOURCE version: 57 updated: 2021/01/01 16:53:59
 dnl ---------------
 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
 dnl or adapt to the vendor's definitions to get equivalent functionality,
@@ -3991,7 +4174,7 @@ cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
 cf_xopen_source=
 
-case $host_os in
+case "$host_os" in
 (aix[[4-7]]*)
 	cf_xopen_source="-D_ALL_SOURCE"
 	;;
@@ -4084,7 +4267,7 @@ make an error
 	[cf_XOPEN_SOURCE_set=yes],
 	[cf_XOPEN_SOURCE_set=no])
 	AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
-	if test $cf_XOPEN_SOURCE_set = yes
+	if test "$cf_XOPEN_SOURCE_set" = yes
 	then
 		AC_TRY_COMPILE([#include <stdlib.h>],[
 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
@@ -4092,7 +4275,7 @@ make an error
 #endif],
 		[cf_XOPEN_SOURCE_set_ok=yes],
 		[cf_XOPEN_SOURCE_set_ok=no])
-		if test $cf_XOPEN_SOURCE_set_ok = no
+		if test "$cf_XOPEN_SOURCE_set_ok" = no
 		then
 			AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
 		fi
@@ -4103,7 +4286,7 @@ fi
 fi # cf_cv_posix_visible
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA version: 23 updated: 2015/04/12 15:39:00
+dnl CF_X_ATHENA version: 24 updated: 2020/03/10 18:53:47
 dnl -----------
 dnl Check for Xaw (Athena) libraries
 dnl
@@ -4179,7 +4362,8 @@ AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[
 AC_TRY_LINK([
 #include <X11/Xmu/CharSet.h>
 ],[
-int check = XmuCompareISOLatin1("big", "small")
+int check = XmuCompareISOLatin1("big", "small");
+(void)check;
 ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])])
 
 			if test "$cf_cv_xaw_compat" = no
@@ -4215,7 +4399,7 @@ if test -z "$cf_x_athena_lib" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA_CPPFLAGS version: 8 updated: 2020/01/16 05:21:56
+dnl CF_X_ATHENA_CPPFLAGS version: 9 updated: 2020/12/31 10:54:15
 dnl --------------------
 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
@@ -4234,7 +4418,7 @@ do
 	if test -z "$cf_x_athena_inc" ; then
 		CF_SAVE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS])
 		cf_test=X11/$cf_x_athena_root/SimpleMenu.h
-		if test $cf_path != default ; then
+		if test "$cf_path" != default ; then
 			CF_APPEND_TEXT(CPPFLAGS,-I$cf_path/include)
 			AC_MSG_CHECKING(for $cf_test in $cf_path)
 		else
@@ -4249,7 +4433,7 @@ do
 		CF_RESTORE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS])
 		if test "$cf_result" = yes ; then
 			test "$cf_path"  = default && cf_x_athena_inc=default
-			test "$cf_path" != default && cf_x_athena_inc=$cf_path/include
+			test "$cf_path" != default && cf_x_athena_inc="$cf_path/include"
 			break
 		fi
 	fi
@@ -4331,7 +4515,7 @@ CF_TRY_PKG_CONFIG(Xext,,[
 		[CF_ADD_LIB(Xext)])])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_X_TOOLKIT version: 24 updated: 2019/03/23 19:54:44
+dnl CF_X_TOOLKIT version: 26 updated: 2021/01/02 09:31:20
 dnl ------------
 dnl Check for X Toolkit libraries
 AC_DEFUN([CF_X_TOOLKIT],
@@ -4351,6 +4535,8 @@ then
 	CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)])
 	CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)])
 	CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)])
+else
+	LIBS="$X_PRE_LIBS $LIBS $X_EXTRA_LIBS"
 fi
 
 cf_have_X_LIBS=no
@@ -4383,7 +4569,7 @@ AC_TRY_LINK([
 AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[
 AC_TRY_LINK([
 #include <X11/Shell.h>
-],[int num = IceConnectionNumber(0)
+],[int num = IceConnectionNumber(0); (void) num
 ],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])])
 
 	if test "$cf_cv_xt_ice_compat" = no
@@ -4413,18 +4599,16 @@ AC_TRY_LINK([
 
 	AC_CHECK_FUNC(XOpenDisplay,,[
 	AC_CHECK_LIB(X11,XOpenDisplay,
-		[CF_ADD_LIB(X11)],,
-		[$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+		[CF_ADD_LIB(X11)])])
 
 	AC_CHECK_FUNC(XtAppInitialize,,[
 	AC_CHECK_LIB(Xt, XtAppInitialize,
 		[AC_DEFINE(HAVE_LIBXT,1,[Define to 1 if we can compile with the Xt library])
 		 cf_have_X_LIBS=Xt
-		 LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
-		[$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+		 LIBS="-lXt $LIBS"])])
 ])
 
-if test $cf_have_X_LIBS = no ; then
+if test "$cf_have_X_LIBS" = no ; then
 	AC_MSG_WARN(
 [Unable to successfully link X Toolkit library (-lXt) with
 test program.  You will have to check and add the proper libraries by hand
@@ -4432,7 +4616,7 @@ to makefile.])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF__CURSES_DATA version: 2 updated: 2020/02/08 21:00:26
+dnl CF__CURSES_DATA version: 3 updated: 2021/01/04 19:45:09
 dnl ---------------
 dnl Attempt to make a copy of a curses data item.  This is needed in the
 dnl check-data configure tests when using ncurses, because the symbol may be
@@ -4447,7 +4631,7 @@ define([CF__CURSES_DATA],[
 #else
 	const void *$1 = &($2);
 #endif
-	fprintf(stderr, "testing linkage of $2:%p\n", (const void *)$1);
+	fprintf(stderr, "testing linkage of $2:%p\\n", (const void *)$1);
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
diff --git a/test/back_ground.c b/test/back_ground.c
new file mode 100644
index 000000000000..100282464ac8
--- /dev/null
+++ b/test/back_ground.c
@@ -0,0 +1,300 @@
+/****************************************************************************
+ * Copyright 2021 Thomas E. Dickey                                          *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+/*
+ * $Id: back_ground.c,v 1.5 2021/02/20 12:23:21 tom Exp $
+ */
+
+#include <test.priv.h>
+
+#if USE_WIDEC_SUPPORT
+
+#define NEED_COLOR_CODE 1
+#define NEED_COLOR_NAME 1
+#include <color_name.h>
+#include <dump_window.h>
+
+static int default_bg = COLOR_BLACK;
+static int default_fg = COLOR_WHITE;
+static wchar_t wide_fill = L' ';
+
+static wchar_t
+decode_wchar(const char *value)
+{
+    long result;
+    char *next = NULL;
+    int radix = 0;
+
+    if (!strncmp(value, "U+", 2)) {
+	value += 2;
+	radix = 16;
+    }
+    result = strtol(value, &next, radix);
+    if (next == value || (next == NULL || *next != '\0')) {
+	fprintf(stderr, "decoding wchar_t: %s\n", value);
+	exit(EXIT_FAILURE);
+    }
+    return (wchar_t) result;
+}
+
+static void
+test_background(void)
+{
+    NCURSES_COLOR_T f, b;
+    int row;
+    int chr;
+    wchar_t blank[2];
+    wchar_t graphics[2];
+    cchar_t data;
+
+    if (pair_content(0, &f, &b) == ERR) {
+	printw("pair 0 contains no data\n");
+    } else {
+	printw("pair 0 contains (%d,%d)\n", (int) f, (int) b);
+    }
+    dump_window(stdscr);
+
+    blank[0] = wide_fill;
+    blank[1] = L'\0';
+
+    printw("Initializing pair 1 to red/%s\n", color_name(default_bg));
+    init_pair(1, COLOR_RED, (NCURSES_COLOR_T) default_bg);
+    setcchar(&data, blank, A_NORMAL, 1, NULL);
+    bkgrndset(&data);
+    printw("RED/BLACK\n");
+    dump_window(stdscr);
+
+    printw("Initializing pair 2 to %s/blue\n", color_name(default_fg));
+    init_pair(2, (NCURSES_COLOR_T) default_fg, COLOR_BLUE);
+    setcchar(&data, blank, A_NORMAL, 2, NULL);
+    bkgrndset(&data);
+    printw("This line should be %s/blue\n", color_name(default_fg));
+    dump_window(stdscr);
+
+    printw("Initializing pair 3 to %s/cyan (ACS_HLINE)\n", color_name(default_fg));
+    init_pair(3, (NCURSES_COLOR_T) default_fg, COLOR_CYAN);
+    printw("...and drawing a box which should be followed by lines\n");
+    graphics[0] = ACS_HLINE & A_CHARTEXT;
+    graphics[1] = L'\0';
+    setcchar(&data, graphics, A_ALTCHARSET, 3, NULL);
+    bkgrndset(&data);
+    /*
+     * Characters from vt100 line-drawing should be mapped to line-drawing,
+     * since A_ALTCHARSET is set in the background, and the character part
+     * of the background is replaced by the nonblank characters written.
+     *
+     * Characters not in the line-drawing range are usually sent as-is.
+     *
+     * With SVr4 curses it is possible to rely on this to mix uppercase text
+     * with the (lowercase) line-drawing characters.  ncurses uses some of
+     * the uppercase characters for encoding thick- and double-lines.
+     */
+    row = 7;
+    mvprintw(row++, 10, "l");
+    for (chr = 0; chr < 32; ++chr)
+	AddCh(' ');
+    printw("x\n");
+    chr = 32;
+    while (chr < 128) {
+	if ((chr % 32) == 0)
+	    mvprintw(row++, 10, "x");
+	AddCh((chr == 127) ? ' ' : chr);
+	if ((++chr % 32) == 0)
+	    printw("x\n");
+    }
+    mvprintw(row++, 10, "m");
+    for (chr = 0; chr < 32; ++chr)
+	AddCh(' ');
+    printw("j\n");
+    dump_window(stdscr);
+
+    setcchar(&data, blank, A_NORMAL, 0, NULL);
+    bkgrndset(&data);
+    printw("Default Colors\n");
+    dump_window(stdscr);
+
+    printw("Resetting colors to pair 1\n");
+    setcchar(&data, blank, A_NORMAL, 1, NULL);
+    bkgrndset(&data);
+    printw("This line should be red/%s\n", color_name(default_bg));
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 0\n");
+    setcchar(&data, blank, A_NORMAL, 0, NULL);
+    bkgrndset(&data);
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 1\n");
+    setcchar(&data, blank, A_NORMAL, 1, NULL);
+    bkgrndset(&data);
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 2\n");
+    setcchar(&data, blank, A_NORMAL, 2, NULL);
+    bkgrndset(&data);
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 3\n");
+    setcchar(&data, blank, A_NORMAL, 3, NULL);
+    bkgrndset(&data);
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 0\n");
+    setcchar(&data, blank, A_NORMAL, 0, NULL);
+    bkgrndset(&data);
+    dump_window(stdscr);
+}
+
+static void
+usage(void)
+{
+    static const char *msg[] =
+    {
+	"Usage: background [options]"
+	,""
+	,"Options:"
+#if HAVE_ASSUME_DEFAULT_COLORS
+	," -a       invoke assume_default_colors, repeat to use in init_pair"
+#endif
+	," -b XXX   specify background color"
+#if HAVE_USE_DEFAULT_COLORS
+	," -d       invoke use_default_colors, repeat to use in init_pair"
+#endif
+	," -f XXX   specify foreground color"
+	," -l FILE  log window-dumps to this file"
+	," -w       fill background with stipple pattern"
+	," -W CODE  fill background with this Unicode value"
+    };
+    size_t n;
+
+    for (n = 0; n < SIZEOF(msg); n++)
+	fprintf(stderr, "%s\n", msg[n]);
+
+    ExitProgram(EXIT_FAILURE);
+}
+
+int
+main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+{
+#if HAVE_ASSUME_DEFAULT_COLORS
+    int a_option = 0;
+#endif
+#if HAVE_USE_DEFAULT_COLORS
+    int d_option = 0;
+#endif
+    int n;
+
+    setlocale(LC_ALL, "");
+
+    while ((n = getopt(argc, argv, "ab:df:l:wW:")) != -1) {
+	switch (n) {
+#if HAVE_ASSUME_DEFAULT_COLORS
+	case 'a':
+	    ++a_option;
+	    break;
+#endif
+	case 'b':
+	    default_bg = color_code(optarg);
+	    break;
+#if HAVE_USE_DEFAULT_COLORS
+	case 'd':
+	    ++d_option;
+	    break;
+#endif
+	case 'f':
+	    default_fg = color_code(optarg);
+	    break;
+	case 'l':
+	    if (!open_dump(optarg))
+		usage();
+	    break;
+	case 'w':
+	    wide_fill = L'\u2591';
+	    break;
+	case 'W':
+	    wide_fill = decode_wchar(optarg);
+	    break;
+	default:
+	    usage();
+	}
+    }
+#if HAVE_USE_DEFAULT_COLORS && HAVE_ASSUME_DEFAULT_COLORS
+    if (a_option && d_option) {
+	fprintf(stderr, "Use either -a or -d option, but not both\n");
+	ExitProgram(EXIT_FAILURE);
+    }
+#endif
+
+    initscr();
+    cbreak();
+    noecho();
+
+    if (has_colors()) {
+	start_color();
+
+#if HAVE_USE_DEFAULT_COLORS
+	if (d_option) {
+	    printw("Using default colors...\n");
+	    use_default_colors();
+	    if (d_option > 1) {
+		default_fg = -1;
+		default_bg = -1;
+	    }
+	}
+#endif
+#if HAVE_ASSUME_DEFAULT_COLORS
+	if (a_option) {
+	    printw("Using assumed colors %s/%s...\n",
+		   color_name(default_fg),
+		   color_name(default_bg));
+	    assume_default_colors(default_fg, default_bg);
+	    if (a_option > 1) {
+		default_fg = -1;
+		default_bg = -1;
+	    }
+	}
+#endif
+
+	test_background();
+
+    } else {
+	printw("This demo requires a color terminal");
+	getch();
+    }
+    endwin();
+    close_dump();
+    ExitProgram(EXIT_SUCCESS);
+}
+
+#else
+int
+main(void)
+{
+    printf("This program requires the wide-curses library\n");
+    ExitProgram(EXIT_FAILURE);
+}
+#endif /* USE_WIDEC_SUPPORT */
diff --git a/test/background.c b/test/background.c
index 391ab1a7d329..649ffcedb446 100644
--- a/test/background.c
+++ b/test/background.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2018-2020,2021 Thomas E. Dickey                                *
  * Copyright 2003-2014,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -27,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: background.c,v 1.19 2020/02/02 23:34:34 tom Exp $
+ * $Id: background.c,v 1.20 2021/02/13 20:54:08 tom Exp $
  */
 
 #define NEED_COLOR_CODE 1
@@ -144,6 +144,7 @@ usage(void)
 	," -d       invoke use_default_colors, repeat to use in init_pair"
 #endif
 	," -f XXX   specify foreground color"
+	," -l FILE  log window-dumps to this file"
     };
     size_t n;
 
diff --git a/test/clip_printw.c b/test/clip_printw.c
index f06845761983..a4242e8467e3 100644
--- a/test/clip_printw.c
+++ b/test/clip_printw.c
@@ -27,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: clip_printw.c,v 1.17 2020/02/02 23:34:34 tom Exp $
+ * $Id: clip_printw.c,v 1.19 2020/05/10 00:40:23 tom Exp $
  *
  * demonstrate how to use printw without wrapping.
  */
@@ -331,7 +331,10 @@ test_clipping(WINDOW *win)
 		need = (unsigned) st.count + 1;
 		_nc_SPRINTF(fmt, _nc_SLIMIT(sizeof(fmt)) "%%c%%%ds%%c", st.count);
 	    } else {
-		need = (unsigned) getmaxx(win) - 1;
+		int want = getmaxx(win);
+		if (want < 10)
+		    want = 10;
+		need = (unsigned) want - 1;
 		_nc_STRCPY(fmt, "%c%s%c", sizeof(fmt));
 	    }
 	    if ((buffer = typeMalloc(char, need + 1)) != 0) {
diff --git a/test/color_name.h b/test/color_name.h
index 0dadd2a16c1c..d27804e87266 100644
--- a/test/color_name.h
+++ b/test/color_name.h
@@ -27,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: color_name.h,v 1.7 2020/02/02 23:34:34 tom Exp $
+ * $Id: color_name.h,v 1.8 2020/06/20 18:58:20 tom Exp $
  */
 
 #ifndef __COLORNAME_H
@@ -90,7 +90,7 @@ color_name(int color)
     const char *result = 0;
 
     if (color >= (int) SIZEOF(the_color_names)) {
-	_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(result)) "%d", color);
+	_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) "%d", color);
 	result = temp;
     } else if (color < 0) {
 	result = "default";
diff --git a/test/configure b/test/configure
index 4d5964731a70..3c4ece5afe1c 100755
--- a/test/configure
+++ b/test/configure
@@ -1,7 +1,8 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by Autoconf 2.52.20200111.
+# Generated by Autoconf 2.52.20210105.
 #
+# Copyright 2003-2020,2021	Thomas E. Dickey
 # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 # Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
@@ -59,9 +60,9 @@ as_executable_p="test -f"
 
 # Support unset when possible.
 if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
-  as_unset=unset
+  as_unset="unset"
 else
-  as_unset=false
+  as_unset="false"
 fi
 
 # NLS nuisances.
@@ -96,13 +97,14 @@ exec 6>&1
 ac_default_prefix=/usr/local
 cross_compiling=no
 subdirs=
-MFLAGS= MAKEFLAGS=
+MFLAGS=
+MAKEFLAGS=
 SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Maximum number of lines to put in a shell here document.
 # This variable seems obsolete.  It should probably be removed, and
 # only ac_max_sed_lines should be used.
-: ${ac_max_here_lines=38}
+: "${ac_max_here_lines=38}"
 
 ac_unique_file="ncurses.c"
 
@@ -167,7 +169,7 @@ do
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case $ac_option in
+  case "$ac_option" in
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
@@ -208,7 +210,7 @@ do
     expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    ac_feature=`echo "$ac_feature" | sed 's/-/_/g'`
     eval "enable_$ac_feature=no" ;;
 
   -enable-* | --enable-*)
@@ -217,8 +219,8 @@ do
     expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    case $ac_option in
+    ac_feature=`echo "$ac_feature" | sed 's/-/_/g'`
+    case "$ac_option" in
       *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
@@ -408,8 +410,8 @@ do
     expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package| sed 's/-/_/g'`
-    case $ac_option in
+    ac_package=`echo "$ac_package" | sed 's/-/_/g'`
+    case "$ac_option" in
       *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
@@ -421,7 +423,7 @@ do
     expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/-/_/g'`
+    ac_package=`echo "$ac_package" | sed 's/-/_/g'`
     eval "with_$ac_package=no" ;;
 
   --x)
@@ -455,21 +457,21 @@ Try \`$0 --help' for more information." >&2
    { (exit 1); exit 1; }; }
     ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
     eval "$ac_envvar='$ac_optarg'"
-    export $ac_envvar ;;
+    export "$ac_envvar" ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
     echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option}" "${host_alias=$ac_option}" "${target_alias=$ac_option}"
     ;;
 
   esac
 done
 
 if test -n "$ac_prev"; then
-  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  ac_option=--`echo "$ac_prev" | sed 's/_/-/g'`
   { echo "$as_me: error: missing argument to $ac_option" >&2
    { (exit 1); exit 1; }; }
 fi
@@ -477,8 +479,8 @@ fi
 # Be sure to have absolute paths.
 for ac_var in exec_prefix prefix
 do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
+  eval ac_val=$`echo "$ac_var"`
+  case "$ac_val" in
     [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
     *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
@@ -489,8 +491,8 @@ done
 for ac_var in bindir sbindir libexecdir datarootdir datadir sysconfdir sharedstatedir \
               localstatedir libdir includedir oldincludedir infodir mandir
 do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
+  eval ac_val=$`echo "$ac_var"`
+  case "$ac_val" in
     [\\/$]* | ?:[\\/]* ) ;;
     *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
@@ -527,13 +529,13 @@ if test -z "$srcdir"; then
   ac_confdir=`echo "$ac_prog" | sed 's%[\\/][^\\/][^\\/]*$%%'`
   test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
   srcdir=$ac_confdir
-  if test ! -r $srcdir/$ac_unique_file; then
+  if test ! -r "$srcdir/$ac_unique_file"; then
     srcdir=..
   fi
 else
   ac_srcdir_defaulted=no
 fi
-if test ! -r $srcdir/$ac_unique_file; then
+if test ! -r "$srcdir/$ac_unique_file"; then
   if test "$ac_srcdir_defaulted" = yes; then
     { echo "$as_me: error: cannot find sources in $ac_confdir or .." >&2
    { (exit 1); exit 1; }; }
@@ -686,6 +688,9 @@ Curses Version-dependent Options:
   --with-XawPlus          link with Athena-Plus library
   --with-x                use the X Window System
   --with-x11-rgb=FILE   file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)
+  --with-form-libname=XXX override form basename of library
+  --with-menu-libname=XXX override menu basename of library
+  --with-panel-libname=XXX override panel basename of library
   --disable-panel         disable checks for panel functions
   --disable-menu          disable checks for menu functions
   --disable-form          disable checks for form functions
@@ -716,42 +721,43 @@ if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
   ac_popdir=`pwd`
   for ac_subdir in : $ac_subdirs_all; do test "x$ac_subdir" = x: && continue
-    cd $ac_subdir
+    cd "$ac_subdir"
     # A "../" for each directory in /$ac_subdir.
-    ac_dots=`echo $ac_subdir |
+    ac_dots=`echo "$ac_subdir" |
              sed 's,^\./,,;s,[^/]$,&/,;s,[^/]*/,../,g'`
 
-    case $srcdir in
+    case "$srcdir" in
     .) # No --srcdir option.  We are building in place.
-      ac_sub_srcdir=$srcdir ;;
+      ac_sub_srcdir="$srcdir" ;;
     [\\/]* | ?:[\\/]* ) # Absolute path.
-      ac_sub_srcdir=$srcdir/$ac_subdir ;;
+      ac_sub_srcdir="$srcdir/$ac_subdir" ;;
     *) # Relative path.
-      ac_sub_srcdir=$ac_dots$srcdir/$ac_subdir ;;
+      ac_sub_srcdir="$ac_dots$srcdir/$ac_subdir" ;;
     esac
 
     # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f $ac_sub_srcdir/configure.gnu; then
+    if test -f "$ac_sub_srcdir/configure.gnu"; then
       echo
-      $SHELL $ac_sub_srcdir/configure.gnu  --help=recursive
-    elif test -f $ac_sub_srcdir/configure; then
+      $SHELL "$ac_sub_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_sub_srcdir/configure"; then
       echo
-      $SHELL $ac_sub_srcdir/configure  --help=recursive
-    elif test -f $ac_sub_srcdir/configure.ac ||
-           test -f $ac_sub_srcdir/configure.in; then
+      $SHELL "$ac_sub_srcdir/configure" --help=recursive
+    elif test -f "$ac_sub_srcdir/configure.ac" ||
+           test -f "$ac_sub_srcdir/configure.in"; then
       echo
-      $ac_configure --help
+      "$ac_configure" --help
     else
       echo "$as_me: WARNING: no configuration information is in $ac_subdir" >&2
     fi
-    cd $ac_popdir
+    cd "$ac_popdir"
   done
 fi
 
 test -n "$ac_init_help" && exit 0
-if $ac_init_version; then
+if "$ac_init_version"; then
   cat <<\EOF
 
+Copyright 2003-2020,2021	Thomas E. Dickey
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -765,7 +771,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.52.20200111.  Invocation command line was
+generated by GNU Autoconf 2.52.20210105.  Invocation command line was
 
   $ $0 $@
 
@@ -812,7 +818,7 @@ ac_configure_args=
 ac_sep=
 for ac_arg
 do
-  case $ac_arg in
+  case "$ac_arg" in
   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
   | --no-cr | --no-c) ;;
   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
@@ -869,7 +875,7 @@ trap 'exit_status=$?
     exit $exit_status
      ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' "$ac_signal"
 done
 ac_signal=0
 
@@ -889,7 +895,7 @@ if test -z "$CONFIG_SITE"; then
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
-    { echo "$as_me:892: loading site script $ac_site_file" >&5
+    { echo "$as_me:898: loading site script $ac_site_file" >&5
 echo "$as_me: loading site script $ac_site_file" >&6;}
     cat "$ac_site_file" >&5
     . "$ac_site_file"
@@ -900,7 +906,7 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:903: loading cache $cache_file" >&5
+    { echo "$as_me:909: loading cache $cache_file" >&5
 echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . $cache_file;;
@@ -908,7 +914,7 @@ echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { echo "$as_me:911: creating cache $cache_file" >&5
+  { echo "$as_me:917: creating cache $cache_file" >&5
 echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -922,23 +928,23 @@ for ac_var in `(set) 2>&1 |
   eval ac_new_set=\$ac_env_${ac_var}_set
   eval ac_old_val="\$ac_cv_env_${ac_var}_value"
   eval ac_new_val="\$ac_env_${ac_var}_value"
-  case $ac_old_set,$ac_new_set in
+  case "$ac_old_set,$ac_new_set" in
     set,)
-      { echo "$as_me:927: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { echo "$as_me:933: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:931: error: \`$ac_var' was not set in the previous run" >&5
+      { echo "$as_me:937: error: \`$ac_var' was not set in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        { echo "$as_me:937: error: \`$ac_var' has changed since the previous run:" >&5
+        { echo "$as_me:943: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-        { echo "$as_me:939:   former value:  $ac_old_val" >&5
+        { echo "$as_me:945:   former value:  $ac_old_val" >&5
 echo "$as_me:   former value:  $ac_old_val" >&2;}
-        { echo "$as_me:941:   current value: $ac_new_val" >&5
+        { echo "$as_me:947:   current value: $ac_new_val" >&5
 echo "$as_me:   current value: $ac_new_val" >&2;}
         ac_cache_corrupted=:
       fi;;
@@ -946,7 +952,7 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
   # Pass precious variables to config.status.  It doesn't matter if
   # we pass some twice (in addition to the command line arguments).
   if test "$ac_new_set" = set; then
-    case $ac_new_val in
+    case "$ac_new_val" in
     *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
       ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"`
       ac_configure_args="$ac_configure_args '$ac_arg'"
@@ -956,35 +962,43 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
     esac
   fi
 done
-if $ac_cache_corrupted; then
-  { echo "$as_me:960: error: changes in the environment can compromise the build" >&5
+if "$ac_cache_corrupted"; then
+  { echo "$as_me:966: error: changes in the environment can compromise the build" >&5
 echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:962: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+  { { echo "$as_me:968: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
 echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 case `echo "testing\c" 2>/dev/null; echo 1,2,3`,`echo -n testing 2>/dev/null; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C=	# newlines do not sed ;-) only broken shells would use this case anyway
-		   ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)      ECHO_N= ECHO_C='\c' ECHO_T= ;;
+  *c*,-n*) ECHO_N=
+           ECHO_C=      # newlines do not sed ;-) only broken shells would use this case anyway
+           ECHO_T='	'
+           ;;
+  *c*,*  ) ECHO_N=-n
+           ECHO_C=
+           ECHO_T=
+           ;;
+  *)       ECHO_N=
+           ECHO_C='\c'
+           ECHO_T=
+           ;;
 esac
 echo "#! $SHELL" >conftest.sh
 echo  "exit 0"   >>conftest.sh
 chmod +x conftest.sh
-if { (echo "$as_me:983: PATH=\".;.\"; conftest.sh") >&5
+if { (echo "$as_me:997: PATH=\".;.\"; conftest.sh") >&5
   (PATH=".;."; conftest.sh) 2>&5
   ac_status=$?
-  echo "$as_me:986: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1000: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   ac_path_separator=';'
 else
   ac_path_separator=:
@@ -1000,22 +1014,22 @@ test -f config.sub || ( test -f ../config.sub && cp ../config.sub ./ )
 
 ac_aux_dir=
 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
-  if test -f $ac_dir/install-sh; then
+  if test -f "$ac_dir/install-sh"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install-sh -c"
     break
-  elif test -f $ac_dir/install.sh; then
+  elif test -f "$ac_dir/install.sh"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install.sh -c"
     break
-  elif test -f $ac_dir/shtool; then
+  elif test -f "$ac_dir/shtool"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/shtool install -c"
     break
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:1018: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
+  { { echo "$as_me:1032: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
 echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1025,11 +1039,11 @@ ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 
 # Make sure we can run config.sub.
 $ac_config_sub sun4 >/dev/null 2>&1 ||
-  { { echo "$as_me:1028: error: cannot run $ac_config_sub" >&5
+  { { echo "$as_me:1042: error: cannot run $ac_config_sub" >&5
 echo "$as_me: error: cannot run $ac_config_sub" >&2;}
    { (exit 1); exit 1; }; }
 
-echo "$as_me:1032: checking build system type" >&5
+echo "$as_me:1046: checking build system type" >&5
 echo $ECHO_N "checking build system type... $ECHO_C" >&6
 if test "${ac_cv_build+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1038,24 +1052,24 @@ else
 test -z "$ac_cv_build_alias" &&
   ac_cv_build_alias=`$ac_config_guess`
 test -z "$ac_cv_build_alias" &&
-  { { echo "$as_me:1041: error: cannot guess build type; you must specify one" >&5
+  { { echo "$as_me:1055: error: cannot guess build type; you must specify one" >&5
 echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
    { (exit 1); exit 1; }; }
-ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
-  { { echo "$as_me:1045: error: $ac_config_sub $ac_cv_build_alias failed." >&5
+ac_cv_build=`$ac_config_sub "$ac_cv_build_alias"` ||
+  { { echo "$as_me:1059: error: $ac_config_sub $ac_cv_build_alias failed." >&5
 echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed." >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:1050: result: $ac_cv_build" >&5
+echo "$as_me:1064: result: $ac_cv_build" >&5
 echo "${ECHO_T}$ac_cv_build" >&6
 build=$ac_cv_build
-build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+build_cpu=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 
-if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
-	echo "$as_me:1058: checking host system type" >&5
+if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then
+	echo "$as_me:1072: checking host system type" >&5
 echo $ECHO_N "checking host system type... $ECHO_C" >&6
 if test "${ac_cv_host+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1063,18 +1077,18 @@ else
   ac_cv_host_alias=$host_alias
 test -z "$ac_cv_host_alias" &&
   ac_cv_host_alias=$ac_cv_build_alias
-ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
-  { { echo "$as_me:1067: error: $ac_config_sub $ac_cv_host_alias failed" >&5
+ac_cv_host=`$ac_config_sub "$ac_cv_host_alias"` ||
+  { { echo "$as_me:1081: error: $ac_config_sub $ac_cv_host_alias failed" >&5
 echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:1072: result: $ac_cv_host" >&5
+echo "$as_me:1086: result: $ac_cv_host" >&5
 echo "${ECHO_T}$ac_cv_host" >&6
 host=$ac_cv_host
-host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+host_cpu=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 
 	system_name="$host_os"
 else
@@ -1095,13 +1109,13 @@ else
 fi
 
 test -z "$system_name" && system_name="$cf_cv_system_name"
-test -n "$cf_cv_system_name" && echo "$as_me:1098: result: Configuring for $cf_cv_system_name" >&5
+test -n "$cf_cv_system_name" && echo "$as_me:1112: result: Configuring for $cf_cv_system_name" >&5
 echo "${ECHO_T}Configuring for $cf_cv_system_name" >&6
 
 if test ".$system_name" != ".$cf_cv_system_name" ; then
-	echo "$as_me:1102: result: Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&5
+	echo "$as_me:1116: result: Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&5
 echo "${ECHO_T}Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&6
-	{ { echo "$as_me:1104: error: \"Please remove config.cache and try again.\"" >&5
+	{ { echo "$as_me:1118: error: \"Please remove config.cache and try again.\"" >&5
 echo "$as_me: error: \"Please remove config.cache and try again.\"" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1119,7 +1133,7 @@ _ACEOF
 program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
 rm conftest.sed
 
-echo "$as_me:1122: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "$as_me:1136: checking whether ${MAKE-make} sets \${MAKE}" >&5
 echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'`
 if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
@@ -1139,25 +1153,25 @@ fi
 rm -f conftest.make
 fi
 if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
-  echo "$as_me:1142: result: yes" >&5
+  echo "$as_me:1156: result: yes" >&5
 echo "${ECHO_T}yes" >&6
   SET_MAKE=
 else
-  echo "$as_me:1146: result: no" >&5
+  echo "$as_me:1160: result: no" >&5
 echo "${ECHO_T}no" >&6
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-echo "$as_me:1160: checking for $ac_word" >&5
+echo "$as_me:1174: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1172,7 +1186,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CC="${ac_tool_prefix}gcc"
-echo "$as_me:1175: found $ac_dir/$ac_word" >&5
+echo "$as_me:1189: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1180,10 +1194,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1183: result: $CC" >&5
+  echo "$as_me:1197: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1186: result: no" >&5
+  echo "$as_me:1200: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1192,7 +1206,7 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-echo "$as_me:1195: checking for $ac_word" >&5
+echo "$as_me:1209: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1207,7 +1221,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_CC="gcc"
-echo "$as_me:1210: found $ac_dir/$ac_word" >&5
+echo "$as_me:1224: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1215,10 +1229,10 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1218: result: $ac_ct_CC" >&5
+  echo "$as_me:1232: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1221: result: no" >&5
+  echo "$as_me:1235: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1231,7 +1245,7 @@ if test -z "$CC"; then
   if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-echo "$as_me:1234: checking for $ac_word" >&5
+echo "$as_me:1248: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1246,7 +1260,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CC="${ac_tool_prefix}cc"
-echo "$as_me:1249: found $ac_dir/$ac_word" >&5
+echo "$as_me:1263: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1254,10 +1268,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1257: result: $CC" >&5
+  echo "$as_me:1271: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1260: result: no" >&5
+  echo "$as_me:1274: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1266,7 +1280,7 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-echo "$as_me:1269: checking for $ac_word" >&5
+echo "$as_me:1283: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1281,7 +1295,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_CC="cc"
-echo "$as_me:1284: found $ac_dir/$ac_word" >&5
+echo "$as_me:1298: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1289,10 +1303,10 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1292: result: $ac_ct_CC" >&5
+  echo "$as_me:1306: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1295: result: no" >&5
+  echo "$as_me:1309: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1305,7 +1319,7 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-echo "$as_me:1308: checking for $ac_word" >&5
+echo "$as_me:1322: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1325,11 +1339,11 @@ if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
   continue
 fi
 ac_cv_prog_CC="cc"
-echo "$as_me:1328: found $ac_dir/$ac_word" >&5
+echo "$as_me:1342: found $ac_dir/$ac_word" >&5
 break
 done
 
-if test $ac_prog_rejected = yes; then
+if test "$ac_prog_rejected" = yes; then
   # We found a bogon in the path, so make sure we never use it.
   set dummy $ac_cv_prog_CC
   shift
@@ -1347,10 +1361,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1350: result: $CC" >&5
+  echo "$as_me:1364: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1353: result: no" >&5
+  echo "$as_me:1367: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1361,7 +1375,7 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:1364: checking for $ac_word" >&5
+echo "$as_me:1378: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1376,7 +1390,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-echo "$as_me:1379: found $ac_dir/$ac_word" >&5
+echo "$as_me:1393: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1384,10 +1398,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1387: result: $CC" >&5
+  echo "$as_me:1401: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1390: result: no" >&5
+  echo "$as_me:1404: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1400,7 +1414,7 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1403: checking for $ac_word" >&5
+echo "$as_me:1417: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1415,7 +1429,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_CC="$ac_prog"
-echo "$as_me:1418: found $ac_dir/$ac_word" >&5
+echo "$as_me:1432: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1423,10 +1437,10 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1426: result: $ac_ct_CC" >&5
+  echo "$as_me:1440: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1429: result: no" >&5
+  echo "$as_me:1443: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1438,32 +1452,32 @@ fi
 
 fi
 
-test -z "$CC" && { { echo "$as_me:1441: error: no acceptable cc found in \$PATH" >&5
+test -z "$CC" && { { echo "$as_me:1455: error: no acceptable cc found in \$PATH" >&5
 echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}
    { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-echo "$as_me:1446:" \
+echo "$as_me:1460:" \
      "checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:1449: \"$ac_compiler --version </dev/null >&5\"") >&5
+ac_compiler=`set X $ac_compile; echo "$2"`
+{ (eval echo "$as_me:1463: \"$ac_compiler --version </dev/null >&5\"") >&5
   (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1452: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:1454: \"$ac_compiler -v </dev/null >&5\"") >&5
+  echo "$as_me:1466: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
+{ (eval echo "$as_me:1468: \"$ac_compiler -v </dev/null >&5\"") >&5
   (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1457: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:1459: \"$ac_compiler -V </dev/null >&5\"") >&5
+  echo "$as_me:1471: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
+{ (eval echo "$as_me:1473: \"$ac_compiler -V </dev/null >&5\"") >&5
   (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1462: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:1476: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 1466 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 1480 "configure"
 #include "confdefs.h"
 
 int
@@ -1479,14 +1493,14 @@ ac_clean_files="$ac_clean_files a.out a.exe"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:1482: checking for C compiler default output" >&5
+echo "$as_me:1496: checking for C compiler default output" >&5
 echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
-ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-if { (eval echo "$as_me:1485: \"$ac_link_default\"") >&5
+ac_link_default=`echo "$ac_link" | sed 's/ -o *"conftest[^"]*"//'`
+if { (eval echo "$as_me:1499: \"$ac_link_default\"") >&5
   (eval $ac_link_default) 2>&5
   ac_status=$?
-  echo "$as_me:1488: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1502: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   # Find the output, starting from the most likely.  This scheme is
 # not robust to junk in `.', hence go to wildcards (a.*) only as a last
 # resort.
@@ -1507,35 +1521,35 @@ for ac_file in `ls a.exe conftest.exe 2>/dev/null;
 done
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-{ { echo "$as_me:1511: error: C compiler cannot create executables" >&5
+cat "conftest.$ac_ext" >&5
+{ { echo "$as_me:1525: error: C compiler cannot create executables" >&5
 echo "$as_me: error: C compiler cannot create executables" >&2;}
    { (exit 77); exit 77; }; }
 fi
 
 ac_exeext=$ac_cv_exeext
-echo "$as_me:1517: result: $ac_file" >&5
+echo "$as_me:1531: result: $ac_file" >&5
 echo "${ECHO_T}$ac_file" >&6
 
 # Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:1522: checking whether the C compiler works" >&5
+echo "$as_me:1536: checking whether the C compiler works" >&5
 echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
 # FIXME: These cross compiler hacks should be removed for Autoconf 3.0
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
   if { ac_try='./$ac_file'
-  { (eval echo "$as_me:1528: \"$ac_try\"") >&5
+  { (eval echo "$as_me:1542: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1531: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1545: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:1538: error: cannot run C compiled programs.
+	{ { echo "$as_me:1552: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&5
 echo "$as_me: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&2;}
@@ -1543,25 +1557,25 @@ If you meant to cross compile, use \`--host'." >&2;}
     fi
   fi
 fi
-echo "$as_me:1546: result: yes" >&5
+echo "$as_me:1560: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-rm -f a.out a.exe conftest$ac_cv_exeext
+rm -f a.out a.exe "conftest$ac_cv_exeext"
 ac_clean_files=$ac_clean_files_save
 # Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:1553: checking whether we are cross compiling" >&5
+echo "$as_me:1567: checking whether we are cross compiling" >&5
 echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
-echo "$as_me:1555: result: $cross_compiling" >&5
+echo "$as_me:1569: result: $cross_compiling" >&5
 echo "${ECHO_T}$cross_compiling" >&6
 
-echo "$as_me:1558: checking for executable suffix" >&5
+echo "$as_me:1572: checking for executable suffix" >&5
 echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6
-if { (eval echo "$as_me:1560: \"$ac_link\"") >&5
+if { (eval echo "$as_me:1574: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:1563: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1577: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -1576,25 +1590,25 @@ for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
   esac
 done
 else
-  { { echo "$as_me:1579: error: cannot compute EXEEXT: cannot compile and link" >&5
+  { { echo "$as_me:1593: error: cannot compute EXEEXT: cannot compile and link" >&5
 echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-rm -f conftest$ac_cv_exeext
-echo "$as_me:1585: result: $ac_cv_exeext" >&5
+rm -f "conftest$ac_cv_exeext"
+echo "$as_me:1599: result: $ac_cv_exeext" >&5
 echo "${ECHO_T}$ac_cv_exeext" >&6
 
-rm -f conftest.$ac_ext
+rm -f "conftest.$ac_ext"
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-echo "$as_me:1591: checking for object suffix" >&5
+echo "$as_me:1605: checking for object suffix" >&5
 echo $ECHO_N "checking for object suffix... $ECHO_C" >&6
 if test "${ac_cv_objext+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1597 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1611 "configure"
 #include "confdefs.h"
 
 int
@@ -1606,11 +1620,11 @@ main (void)
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (eval echo "$as_me:1609: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:1623: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1612: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1626: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
   case $ac_file in
     *.$ac_ext | *.xcoff | *.tds | *.d | *.dbg | *.pdb | *.xSYM | *.map | *.inf ) ;;
@@ -1620,25 +1634,25 @@ if { (eval echo "$as_me:1609: \"$ac_compile\"") >&5
 done
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-{ { echo "$as_me:1624: error: cannot compute OBJEXT: cannot compile" >&5
+cat "conftest.$ac_ext" >&5
+{ { echo "$as_me:1638: error: cannot compute OBJEXT: cannot compile" >&5
 echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f "conftest.$ac_cv_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:1631: result: $ac_cv_objext" >&5
+echo "$as_me:1645: result: $ac_cv_objext" >&5
 echo "${ECHO_T}$ac_cv_objext" >&6
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:1635: checking whether we are using the GNU C compiler" >&5
+echo "$as_me:1649: checking whether we are using the GNU C compiler" >&5
 echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
 if test "${ac_cv_c_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1641 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1655 "configure"
 #include "confdefs.h"
 
 int
@@ -1652,41 +1666,41 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1656: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1670: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1659: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1662: \"$ac_try\"") >&5
+  echo "$as_me:1673: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1676: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1665: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1679: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_compiler_gnu=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:1677: result: $ac_cv_c_compiler_gnu" >&5
+echo "$as_me:1691: result: $ac_cv_c_compiler_gnu" >&5
 echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
 GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 CFLAGS="-g"
-echo "$as_me:1683: checking whether $CC accepts -g" >&5
+echo "$as_me:1697: checking whether $CC accepts -g" >&5
 echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
 if test "${ac_cv_prog_cc_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1689 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1703 "configure"
 #include "confdefs.h"
 
 int
@@ -1697,27 +1711,27 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1701: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1715: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1704: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1707: \"$ac_try\"") >&5
+  echo "$as_me:1718: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1721: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1710: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1724: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_prog_cc_g=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_prog_cc_g=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:1720: result: $ac_cv_prog_cc_g" >&5
+echo "$as_me:1734: result: $ac_cv_prog_cc_g" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -1738,23 +1752,23 @@ fi
 # in C++ we need to declare it.  In case someone uses the same compiler
 # for both compiling C and C++ we need to have the C++ compiler decide
 # the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
+cat >"conftest.$ac_ext" <<_ACEOF
 #ifndef __cplusplus
   choke me
 #endif
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1747: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1761: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1750: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1753: \"$ac_try\"") >&5
+  echo "$as_me:1764: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1767: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1756: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1770: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   for ac_declaration in \
    ''\
    '#include <stdlib.h>' \
@@ -1764,8 +1778,8 @@ if { (eval echo "$as_me:1747: \"$ac_compile\"") >&5
    'extern "C" void exit (int);' \
    'void exit (int);'
 do
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1768 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1782 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
@@ -1777,27 +1791,27 @@ exit (42);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1781: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1795: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1784: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1787: \"$ac_try\"") >&5
+  echo "$as_me:1798: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1801: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1790: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1804: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 continue
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1800 "configure"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1814 "configure"
 #include "confdefs.h"
 $ac_declaration
 int
@@ -1808,65 +1822,65 @@ exit (42);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1812: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1826: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1815: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1818: \"$ac_try\"") >&5
+  echo "$as_me:1829: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1832: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1821: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1835: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 rm -rf conftest*
 if test -n "$ac_declaration"; then
   echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
+  echo "$ac_declaration"    >>confdefs.h
   echo '#endif'             >>confdefs.h
 fi
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 GCC_VERSION=none
 if test "$GCC" = yes ; then
-	echo "$as_me:1851: checking version of $CC" >&5
+	echo "$as_me:1865: checking version of $CC" >&5
 echo $ECHO_N "checking version of $CC... $ECHO_C" >&6
 	GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[^)]*) //' -e 's/^.*(Debian[^)]*) //' -e 's/^[^0-9.]*//' -e 's/[^0-9.].*//'`"
 	test -z "$GCC_VERSION" && GCC_VERSION=unknown
-	echo "$as_me:1855: result: $GCC_VERSION" >&5
+	echo "$as_me:1869: result: $GCC_VERSION" >&5
 echo "${ECHO_T}$GCC_VERSION" >&6
 fi
 
 INTEL_COMPILER=no
 
 if test "$GCC" = yes ; then
-	case $host_os in
+	case "$host_os" in
 	(linux*|gnu*)
-		echo "$as_me:1864: checking if this is really Intel C compiler" >&5
+		echo "$as_me:1878: checking if this is really Intel C compiler" >&5
 echo $ECHO_N "checking if this is really Intel C compiler... $ECHO_C" >&6
 		cf_save_CFLAGS="$CFLAGS"
 		CFLAGS="$CFLAGS -no-gcc"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 1869 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 1883 "configure"
 #include "confdefs.h"
 
 int
@@ -1882,28 +1896,28 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1886: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1900: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1889: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1892: \"$ac_try\"") >&5
+  echo "$as_me:1903: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1906: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1895: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1909: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   INTEL_COMPILER=yes
 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		CFLAGS="$cf_save_CFLAGS"
-		echo "$as_me:1906: result: $INTEL_COMPILER" >&5
+		echo "$as_me:1920: result: $INTEL_COMPILER" >&5
 echo "${ECHO_T}$INTEL_COMPILER" >&6
 		;;
 	esac
@@ -1912,12 +1926,11 @@ fi
 CLANG_COMPILER=no
 
 if test "$GCC" = yes ; then
-	echo "$as_me:1915: checking if this is really Clang C compiler" >&5
+	echo "$as_me:1929: checking if this is really Clang C compiler" >&5
 echo $ECHO_N "checking if this is really Clang C compiler... $ECHO_C" >&6
 	cf_save_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS -Qunused-arguments"
-	cat >conftest.$ac_ext <<_ACEOF
-#line 1920 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 1933 "configure"
 #include "confdefs.h"
 
 int
@@ -1933,40 +1946,116 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1937: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1950: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1940: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1943: \"$ac_try\"") >&5
+  echo "$as_me:1953: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1956: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1946: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1959: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   CLANG_COMPILER=yes
-cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	CFLAGS="$cf_save_CFLAGS"
-	echo "$as_me:1957: result: $CLANG_COMPILER" >&5
+	echo "$as_me:1969: result: $CLANG_COMPILER" >&5
 echo "${ECHO_T}$CLANG_COMPILER" >&6
 fi
 
-echo "$as_me:1961: checking for $CC option to accept ANSI C" >&5
+CLANG_VERSION=none
+
+if test "x$CLANG_COMPILER" = "xyes" ; then
+	case "$CC" in
+	(c[1-9][0-9]|*/c[1-9][0-9])
+		{ echo "$as_me:1978: WARNING: replacing broken compiler alias $CC" >&5
+echo "$as_me: WARNING: replacing broken compiler alias $CC" >&2;}
+		CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
+		CC=clang
+		;;
+	esac
+
+	echo "$as_me:1985: checking version of $CC" >&5
+echo $ECHO_N "checking version of $CC... $ECHO_C" >&6
+	CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[^)]*) //' -e 's/^.*(Debian[^)]*) //' -e 's/^[^0-9.]*//' -e 's/[^0-9.].*//'`"
+	test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
+	echo "$as_me:1989: result: $CLANG_VERSION" >&5
+echo "${ECHO_T}$CLANG_VERSION" >&6
+
+	for cf_clang_opt in \
+		-Qunused-arguments \
+		-Wno-error=implicit-function-declaration
+	do
+		echo "$as_me:1996: checking if option $cf_clang_opt works" >&5
+echo $ECHO_N "checking if option $cf_clang_opt works... $ECHO_C" >&6
+		cf_save_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS $cf_clang_opt"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 2001 "configure"
+#include "confdefs.h"
+
+			#include <stdio.h>
+int
+main (void)
+{
+
+			printf("hello!\\n");
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:2015: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:2018: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:2021: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2024: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+			cf_clang_optok=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+
+			cf_clang_optok=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:2035: result: $cf_clang_optok" >&5
+echo "${ECHO_T}$cf_clang_optok" >&6
+		CFLAGS="$cf_save_CFLAGS"
+		if test "$cf_clang_optok" = yes; then
+			test -n "$verbose" && echo "	adding option $cf_clang_opt" 1>&6
+
+echo "${as_me:-configure}:2041: testing adding option $cf_clang_opt ..." 1>&5
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_clang_opt"
+
+		fi
+	done
+fi
+
+echo "$as_me:2050: checking for $CC option to accept ANSI C" >&5
 echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
 if test "${ac_cv_prog_cc_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_cv_prog_cc_stdc=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-#line 1969 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 2058 "configure"
 #include "confdefs.h"
 #include <stdarg.h>
 #include <stdio.h>
@@ -2014,51 +2103,51 @@ _ACEOF
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (eval echo "$as_me:2018: \"$ac_compile\"") >&5
+  rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:2107: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:2021: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:2024: \"$ac_try\"") >&5
+  echo "$as_me:2110: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:2113: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2027: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:2116: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_prog_cc_stdc=$ac_arg
 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext
+rm -f "conftest.$ac_objext"
 done
-rm -f conftest.$ac_ext conftest.$ac_objext
+rm -f "conftest.$ac_ext" "conftest.$ac_objext"
 CC=$ac_save_CC
 
 fi
 
 case "x$ac_cv_prog_cc_stdc" in
   x|xno)
-    echo "$as_me:2044: result: none needed" >&5
+    echo "$as_me:2133: result: none needed" >&5
 echo "${ECHO_T}none needed" >&6 ;;
   *)
-    echo "$as_me:2047: result: $ac_cv_prog_cc_stdc" >&5
+    echo "$as_me:2136: result: $ac_cv_prog_cc_stdc" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
     CC="$CC $ac_cv_prog_cc_stdc" ;;
 esac
 
 # This should have been defined by AC_PROG_CC
-: ${CC:=cc}
+: "${CC:=cc}"
 
-echo "$as_me:2055: checking \$CFLAGS variable" >&5
+echo "$as_me:2144: checking \$CFLAGS variable" >&5
 echo $ECHO_N "checking \$CFLAGS variable... $ECHO_C" >&6
 case "x$CFLAGS" in
 (*-[IUD]*)
-	echo "$as_me:2059: result: broken" >&5
+	echo "$as_me:2148: result: broken" >&5
 echo "${ECHO_T}broken" >&6
-	{ echo "$as_me:2061: WARNING: your environment uses the CFLAGS variable to hold CPPFLAGS options" >&5
+	{ echo "$as_me:2150: WARNING: your environment uses the CFLAGS variable to hold CPPFLAGS options" >&5
 echo "$as_me: WARNING: your environment uses the CFLAGS variable to hold CPPFLAGS options" >&2;}
 	cf_flags="$CFLAGS"
 	CFLAGS=
@@ -2072,19 +2161,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_arg
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -2103,7 +2192,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -2133,7 +2222,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -2166,18 +2255,18 @@ fi
 	done
 	;;
 (*)
-	echo "$as_me:2169: result: ok" >&5
+	echo "$as_me:2258: result: ok" >&5
 echo "${ECHO_T}ok" >&6
 	;;
 esac
 
-echo "$as_me:2174: checking \$CC variable" >&5
+echo "$as_me:2263: checking \$CC variable" >&5
 echo $ECHO_N "checking \$CC variable... $ECHO_C" >&6
 case "$CC" in
 (*[\ \	]-*)
-	echo "$as_me:2178: result: broken" >&5
+	echo "$as_me:2267: result: broken" >&5
 echo "${ECHO_T}broken" >&6
-	{ echo "$as_me:2180: WARNING: your environment uses the CC variable to hold CFLAGS/CPPFLAGS options" >&5
+	{ echo "$as_me:2269: WARNING: your environment uses the CC variable to hold CFLAGS/CPPFLAGS options" >&5
 echo "$as_me: WARNING: your environment uses the CC variable to hold CFLAGS/CPPFLAGS options" >&2;}
 	# humor him...
 	cf_prog=`echo "$CC" | sed -e 's/	/ /g' -e 's/[ ]* / /g' -e 's/[ ]*[ ]-[^ ].*//'`
@@ -2195,19 +2284,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_arg
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -2226,7 +2315,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -2256,7 +2345,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -2294,32 +2383,32 @@ fi
 	done
 	test -n "$verbose" && echo "	resulting CC: '$CC'" 1>&6
 
-echo "${as_me:-configure}:2297: testing resulting CC: '$CC' ..." 1>&5
+echo "${as_me:-configure}:2386: testing resulting CC: '$CC' ..." 1>&5
 
 	test -n "$verbose" && echo "	resulting CFLAGS: '$CFLAGS'" 1>&6
 
-echo "${as_me:-configure}:2301: testing resulting CFLAGS: '$CFLAGS' ..." 1>&5
+echo "${as_me:-configure}:2390: testing resulting CFLAGS: '$CFLAGS' ..." 1>&5
 
 	test -n "$verbose" && echo "	resulting CPPFLAGS: '$CPPFLAGS'" 1>&6
 
-echo "${as_me:-configure}:2305: testing resulting CPPFLAGS: '$CPPFLAGS' ..." 1>&5
+echo "${as_me:-configure}:2394: testing resulting CPPFLAGS: '$CPPFLAGS' ..." 1>&5
 
 	;;
 (*)
-	echo "$as_me:2309: result: ok" >&5
+	echo "$as_me:2398: result: ok" >&5
 echo "${ECHO_T}ok" >&6
 	;;
 esac
 
-echo "$as_me:2314: checking for inline" >&5
+echo "$as_me:2403: checking for inline" >&5
 echo $ECHO_N "checking for inline... $ECHO_C" >&6
 if test "${ac_cv_c_inline+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2322 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2411 "configure"
 #include "confdefs.h"
 #ifndef __cplusplus
 static $ac_kw int static_foo () {return 0; }
@@ -2327,28 +2416,28 @@ $ac_kw int foo () {return 0; }
 #endif
 
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:2331: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:2420: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:2334: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:2337: \"$ac_try\"") >&5
+  echo "$as_me:2423: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:2426: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2340: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:2429: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_c_inline=$ac_kw; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:2351: result: $ac_cv_c_inline" >&5
+echo "$as_me:2440: result: $ac_cv_c_inline" >&5
 echo "${ECHO_T}$ac_cv_c_inline" >&6
 case $ac_cv_c_inline in
   inline | yes) ;;
@@ -2363,13 +2452,111 @@ EOF
  ;;
 esac
 
+for ac_prog in ggrep grep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:2459: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$GREP"; then
+  ac_cv_prog_GREP="$GREP" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_GREP="$ac_prog"
+echo "$as_me:2474: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+GREP=$ac_cv_prog_GREP
+if test -n "$GREP"; then
+  echo "$as_me:2482: result: $GREP" >&5
+echo "${ECHO_T}$GREP" >&6
+else
+  echo "$as_me:2485: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$GREP" && break
+done
+test -n "$GREP" || GREP=": "
+
+echo "$as_me:2493: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     for ac_prog in gegrep egrep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:2505: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  case $EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_EGREP="$EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_EGREP="$ac_dir/$ac_word"
+   echo "$as_me:2522: found $ac_dir/$ac_word" >&5
+   break
+fi
+done
+
+  ;;
+esac
+fi
+EGREP=$ac_cv_path_EGREP
+
+if test -n "$EGREP"; then
+  echo "$as_me:2533: result: $EGREP" >&5
+echo "${ECHO_T}$EGREP" >&6
+else
+  echo "$as_me:2536: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$EGREP" && break
+done
+test -n "$EGREP" || EGREP=": "
+
+     test "x$ac_cv_path_EGREP" = "x:" && { { echo "$as_me:2544: error: cannot find workable egrep" >&5
+echo "$as_me: error: cannot find workable egrep" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+fi
+echo "$as_me:2549: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6
+ EGREP="$ac_cv_path_EGREP"
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
-echo "$as_me:2372: checking how to run the C preprocessor" >&5
+ac_main_return="return"
+echo "$as_me:2559: checking how to run the C preprocessor" >&5
 echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
@@ -2389,20 +2576,20 @@ do
   # with a fresh cross-compiler works.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2393 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2580 "configure"
 #include "confdefs.h"
 #include <assert.h>
                      Syntax error
 _ACEOF
-if { (eval echo "$as_me:2398: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2585: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2404: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2591: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2415,27 +2602,27 @@ if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
   # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2427 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2614 "configure"
 #include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:2431: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2618: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2437: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2624: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2449,16 +2636,16 @@ if test -z "$ac_cpp_err"; then
 continue
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 if $ac_preproc_ok; then
   break
 fi
@@ -2471,7 +2658,7 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-echo "$as_me:2474: result: $CPP" >&5
+echo "$as_me:2661: result: $CPP" >&5
 echo "${ECHO_T}$CPP" >&6
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -2480,20 +2667,20 @@ do
   # with a fresh cross-compiler works.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2484 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2671 "configure"
 #include "confdefs.h"
 #include <assert.h>
                      Syntax error
 _ACEOF
-if { (eval echo "$as_me:2489: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2676: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2495: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2682: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2506,27 +2693,27 @@ if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
   # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2518 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2705 "configure"
 #include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:2522: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2709: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2528: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2715: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2540,36 +2727,36 @@ if test -z "$ac_cpp_err"; then
 continue
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 if $ac_preproc_ok; then
   :
 else
-  { { echo "$as_me:2556: error: C preprocessor \"$CPP\" fails sanity check" >&5
+  { { echo "$as_me:2743: error: C preprocessor \"$CPP\" fails sanity check" >&5
 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 for ac_prog in mawk gawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2572: checking for $ac_word" >&5
+echo "$as_me:2759: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_AWK+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2584,7 +2771,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_AWK="$ac_prog"
-echo "$as_me:2587: found $ac_dir/$ac_word" >&5
+echo "$as_me:2774: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2592,10 +2779,10 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  echo "$as_me:2595: result: $AWK" >&5
+  echo "$as_me:2782: result: $AWK" >&5
 echo "${ECHO_T}$AWK" >&6
 else
-  echo "$as_me:2598: result: no" >&5
+  echo "$as_me:2785: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2614,7 +2801,7 @@ done
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:2617: checking for a BSD compatible install" >&5
+echo "$as_me:2804: checking for a BSD compatible install" >&5
 echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
 if test "${ac_cv_path_install+set}" = set; then
@@ -2663,7 +2850,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:2666: result: $INSTALL" >&5
+echo "$as_me:2853: result: $INSTALL" >&5
 echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -2678,13 +2865,13 @@ case $INSTALL in
 (/*)
 	;;
 (*)
-	cf_dir=`echo $INSTALL | sed -e 's%/[^/]*$%%'`
+	cf_dir=`echo "$INSTALL" | sed -e 's%/[^/]*$%%'`
 	test -z "$cf_dir" && cf_dir=.
-	INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
+	INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`"
 	;;
 esac
 
-echo "$as_me:2687: checking if you want to install stripped executables" >&5
+echo "$as_me:2874: checking if you want to install stripped executables" >&5
 echo $ECHO_N "checking if you want to install stripped executables... $ECHO_C" >&6
 
 # Check whether --enable-stripping or --disable-stripping was given.
@@ -2692,33 +2879,33 @@ if test "${enable_stripping+set}" = set; then
   enableval="$enable_stripping"
   test "$enableval" != no && enableval=yes
 	if test "$enableval" != "yes" ; then
-    with_stripping=no
+    enable_stripping=no
 	else
-		with_stripping=yes
+		enable_stripping=yes
 	fi
 else
   enableval=yes
-	with_stripping=yes
+	enable_stripping=yes
 
 fi;
-echo "$as_me:2704: result: $with_stripping" >&5
-echo "${ECHO_T}$with_stripping" >&6
+echo "$as_me:2891: result: $enable_stripping" >&5
+echo "${ECHO_T}$enable_stripping" >&6
 
-if test "$with_stripping" = yes
+if test "$enable_stripping" = yes
 then
 	INSTALL_OPT_S="-s"
 else
 	INSTALL_OPT_S=
 fi
 
-: ${INSTALL:=install}
-echo "$as_me:2715: checking if install accepts -p option" >&5
+: "${INSTALL:=install}"
+echo "$as_me:2902: checking if install accepts -p option" >&5
 echo $ECHO_N "checking if install accepts -p option... $ECHO_C" >&6
 if test "${cf_cv_install_p+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	rm -rf conftest*
+	rm -rf ./conftest*
 	date >conftest.in
 	mkdir conftest.out
 	sleep 3
@@ -2740,13 +2927,13 @@ else
 	else
 		cf_cv_install_p=no
 	fi
-	rm -rf conftest*
+	rm -rf ./conftest*
 
 fi
-echo "$as_me:2746: result: $cf_cv_install_p" >&5
+echo "$as_me:2933: result: $cf_cv_install_p" >&5
 echo "${ECHO_T}$cf_cv_install_p" >&6
 
-echo "$as_me:2749: checking if install needs to be told about ownership" >&5
+echo "$as_me:2936: checking if install needs to be told about ownership" >&5
 echo $ECHO_N "checking if install needs to be told about ownership... $ECHO_C" >&6
 case `$ac_config_guess` in
 (*minix)
@@ -2757,11 +2944,11 @@ case `$ac_config_guess` in
 	;;
 esac
 
-echo "$as_me:2760: result: $with_install_o" >&5
+echo "$as_me:2947: result: $with_install_o" >&5
 echo "${ECHO_T}$with_install_o" >&6
 if test "x$with_install_o" = xyes
 then
-	INSTALL_OPT_O=`id root|sed -e 's/uid=[0-9]*(/ -o /' -e 's/gid=[0-9]*(/ -g /' -e 's/ [^=[:space:]][^=[:space:]]*=.*/ /' -e 's/)//g'`
+	INSTALL_OPT_O="`id root|sed -e 's/uid=[0-9]*(/ -o /' -e 's/gid=[0-9]*(/ -g /' -e 's/ [^=[:space:]][^=[:space:]]*=.*/ /' -e 's/)//g'`"
 else
 	INSTALL_OPT_O=
 fi
@@ -2770,7 +2957,7 @@ for ac_prog in lint cppcheck splint
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2773: checking for $ac_word" >&5
+echo "$as_me:2960: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_LINT+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2785,7 +2972,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_LINT="$ac_prog"
-echo "$as_me:2788: found $ac_dir/$ac_word" >&5
+echo "$as_me:2975: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2793,10 +2980,10 @@ fi
 fi
 LINT=$ac_cv_prog_LINT
 if test -n "$LINT"; then
-  echo "$as_me:2796: result: $LINT" >&5
+  echo "$as_me:2983: result: $LINT" >&5
 echo "${ECHO_T}$LINT" >&6
 else
-  echo "$as_me:2799: result: no" >&5
+  echo "$as_me:2986: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2809,15 +2996,15 @@ case "x$LINT" in
 	;;
 esac
 
-echo "$as_me:2812: checking if filesystem supports mixed-case filenames" >&5
+echo "$as_me:2999: checking if filesystem supports mixed-case filenames" >&5
 echo $ECHO_N "checking if filesystem supports mixed-case filenames... $ECHO_C" >&6
 if test "${cf_cv_mixedcase+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 if test "$cross_compiling" = yes ; then
-	case $target_alias in
-	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
+	case "$target_alias" in
+	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
 		cf_cv_mixedcase=no
 		;;
 	(*)
@@ -2836,7 +3023,7 @@ else
 fi
 
 fi
-echo "$as_me:2839: result: $cf_cv_mixedcase" >&5
+echo "$as_me:3026: result: $cf_cv_mixedcase" >&5
 echo "${ECHO_T}$cf_cv_mixedcase" >&6
 test "$cf_cv_mixedcase" = yes &&
 cat >>confdefs.h <<\EOF
@@ -2847,7 +3034,7 @@ for ac_prog in exctags ctags
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2850: checking for $ac_word" >&5
+echo "$as_me:3037: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CTAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2862,7 +3049,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CTAGS="$ac_prog"
-echo "$as_me:2865: found $ac_dir/$ac_word" >&5
+echo "$as_me:3052: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2870,10 +3057,10 @@ fi
 fi
 CTAGS=$ac_cv_prog_CTAGS
 if test -n "$CTAGS"; then
-  echo "$as_me:2873: result: $CTAGS" >&5
+  echo "$as_me:3060: result: $CTAGS" >&5
 echo "${ECHO_T}$CTAGS" >&6
 else
-  echo "$as_me:2876: result: no" >&5
+  echo "$as_me:3063: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2884,7 +3071,7 @@ for ac_prog in exetags etags
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2887: checking for $ac_word" >&5
+echo "$as_me:3074: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ETAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2899,7 +3086,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ETAGS="$ac_prog"
-echo "$as_me:2902: found $ac_dir/$ac_word" >&5
+echo "$as_me:3089: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2907,10 +3094,10 @@ fi
 fi
 ETAGS=$ac_cv_prog_ETAGS
 if test -n "$ETAGS"; then
-  echo "$as_me:2910: result: $ETAGS" >&5
+  echo "$as_me:3097: result: $ETAGS" >&5
 echo "${ECHO_T}$ETAGS" >&6
 else
-  echo "$as_me:2913: result: no" >&5
+  echo "$as_me:3100: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2919,7 +3106,7 @@ done
 
 # Extract the first word of "${CTAGS:-ctags}", so it can be a program name with args.
 set dummy ${CTAGS:-ctags}; ac_word=$2
-echo "$as_me:2922: checking for $ac_word" >&5
+echo "$as_me:3109: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_MAKE_LOWER_TAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2934,7 +3121,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_MAKE_LOWER_TAGS="yes"
-echo "$as_me:2937: found $ac_dir/$ac_word" >&5
+echo "$as_me:3124: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2943,17 +3130,17 @@ fi
 fi
 MAKE_LOWER_TAGS=$ac_cv_prog_MAKE_LOWER_TAGS
 if test -n "$MAKE_LOWER_TAGS"; then
-  echo "$as_me:2946: result: $MAKE_LOWER_TAGS" >&5
+  echo "$as_me:3133: result: $MAKE_LOWER_TAGS" >&5
 echo "${ECHO_T}$MAKE_LOWER_TAGS" >&6
 else
-  echo "$as_me:2949: result: no" >&5
+  echo "$as_me:3136: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 if test "$cf_cv_mixedcase" = yes ; then
 	# Extract the first word of "${ETAGS:-etags}", so it can be a program name with args.
 set dummy ${ETAGS:-etags}; ac_word=$2
-echo "$as_me:2956: checking for $ac_word" >&5
+echo "$as_me:3143: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_MAKE_UPPER_TAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2968,7 +3155,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_MAKE_UPPER_TAGS="yes"
-echo "$as_me:2971: found $ac_dir/$ac_word" >&5
+echo "$as_me:3158: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2977,10 +3164,10 @@ fi
 fi
 MAKE_UPPER_TAGS=$ac_cv_prog_MAKE_UPPER_TAGS
 if test -n "$MAKE_UPPER_TAGS"; then
-  echo "$as_me:2980: result: $MAKE_UPPER_TAGS" >&5
+  echo "$as_me:3167: result: $MAKE_UPPER_TAGS" >&5
 echo "${ECHO_T}$MAKE_UPPER_TAGS" >&6
 else
-  echo "$as_me:2983: result: no" >&5
+  echo "$as_me:3170: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3000,14 +3187,14 @@ else
 	MAKE_LOWER_TAGS="#"
 fi
 
-echo "$as_me:3003: checking if -lm needed for math functions" >&5
+echo "$as_me:3190: checking if -lm needed for math functions" >&5
 echo $ECHO_N "checking if -lm needed for math functions... $ECHO_C" >&6
 if test "${cf_cv_need_libm+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 3010 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 3197 "configure"
 #include "confdefs.h"
 
 	#include <stdio.h>
@@ -3017,32 +3204,32 @@ else
 int
 main (void)
 {
-double x = rand(); printf("result = %g\n", pow(sin(x),x))
+double x = rand(); printf("result = %g\\n", pow(sin(x),x))
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3026: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:3213: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3029: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3032: \"$ac_try\"") >&5
+  echo "$as_me:3216: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:3219: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3035: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3222: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_need_libm=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_need_libm=yes
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:3045: result: $cf_cv_need_libm" >&5
+echo "$as_me:3232: result: $cf_cv_need_libm" >&5
 echo "${ECHO_T}$cf_cv_need_libm" >&6
 if test "$cf_cv_need_libm" = yes
 then
@@ -3083,7 +3270,67 @@ includesubdir=""
 cf_cv_screen=curses
 cf_cv_libtype=
 
-if test "$GCC" = yes
+echo "$as_me:3273: checking for fgrep" >&5
+echo $ECHO_N "checking for fgrep... $ECHO_C" >&6
+if test "${ac_cv_path_FGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     for ac_prog in gfgrep fgrep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:3285: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_FGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  case $FGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_FGREP="$FGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_FGREP="$ac_dir/$ac_word"
+   echo "$as_me:3302: found $ac_dir/$ac_word" >&5
+   break
+fi
+done
+
+  ;;
+esac
+fi
+FGREP=$ac_cv_path_FGREP
+
+if test -n "$FGREP"; then
+  echo "$as_me:3313: result: $FGREP" >&5
+echo "${ECHO_T}$FGREP" >&6
+else
+  echo "$as_me:3316: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$FGREP" && break
+done
+test -n "$FGREP" || FGREP=": "
+
+     test "x$ac_cv_path_FGREP" = "x:" && { { echo "$as_me:3324: error: cannot find workable fgrep" >&5
+echo "$as_me: error: cannot find workable fgrep" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+fi
+echo "$as_me:3329: result: $ac_cv_path_FGREP" >&5
+echo "${ECHO_T}$ac_cv_path_FGREP" >&6
+ FGREP="$ac_cv_path_FGREP"
+
+if test "$GCC" = yes || test "$GXX" = yes
 then
 cat > conftest.i <<EOF
 #ifndef GCC_PRINTF
@@ -3101,10 +3348,10 @@ cat > conftest.i <<EOF
 EOF
 if test "$GCC" = yes
 then
-	{ echo "$as_me:3104: checking for $CC __attribute__ directives..." >&5
+	{ echo "$as_me:3351: checking for $CC __attribute__ directives..." >&5
 echo "$as_me: checking for $CC __attribute__ directives..." >&6;}
-cat > conftest.$ac_ext <<EOF
-#line 3107 "${as_me:-configure}"
+cat > "conftest.$ac_ext" <<EOF
+#line 3354 "${as_me:-configure}"
 #include "confdefs.h"
 #include "conftest.h"
 #include "conftest.i"
@@ -3121,7 +3368,7 @@ cat > conftest.$ac_ext <<EOF
 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { return 0; }
+int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
 EOF
 	cf_printf_attribute=no
 	cf_scanf_attribute=no
@@ -3133,7 +3380,7 @@ cf_ATTRIBUTE=`echo "$cf_attribute" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFG
 		cf_directive="__attribute__(($cf_attribute))"
 		echo "checking for $CC $cf_directive" 1>&5
 
-		case $cf_attribute in
+		case "$cf_attribute" in
 		(printf)
 			cf_printf_attribute=yes
 			cat >conftest.h <<EOF
@@ -3153,15 +3400,15 @@ EOF
 			;;
 		esac
 
-		if { (eval echo "$as_me:3156: \"$ac_compile\"") >&5
+		if { (eval echo "$as_me:3403: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3159: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-			test -n "$verbose" && echo "$as_me:3161: result: ... $cf_attribute" >&5
+  echo "$as_me:3406: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
+			test -n "$verbose" && echo "$as_me:3408: result: ... $cf_attribute" >&5
 echo "${ECHO_T}... $cf_attribute" >&6
 			cat conftest.h >>confdefs.h
-			case $cf_attribute in
+			case "$cf_attribute" in
 			(noreturn)
 
 cat >>confdefs.h <<EOF
@@ -3212,39 +3459,39 @@ EOF
 		fi
 	done
 else
-	fgrep define conftest.i >>confdefs.h
+	${FGREP-fgrep} define conftest.i >>confdefs.h
 fi
-rm -rf conftest*
+rm -rf ./conftest*
 fi
 
-echo "$as_me:3220: checking if you want to work around bogus compiler/loader warnings" >&5
+echo "$as_me:3467: checking if you want to work around bogus compiler/loader warnings" >&5
 echo $ECHO_N "checking if you want to work around bogus compiler/loader warnings... $ECHO_C" >&6
 
 # Check whether --enable-string-hacks or --disable-string-hacks was given.
 if test "${enable_string_hacks+set}" = set; then
   enableval="$enable_string_hacks"
-  with_string_hacks=$enableval
+  enable_string_hacks=$enableval
 else
-  with_string_hacks=no
+  enable_string_hacks=no
 fi;
-echo "$as_me:3230: result: $with_string_hacks" >&5
-echo "${ECHO_T}$with_string_hacks" >&6
+echo "$as_me:3477: result: $enable_string_hacks" >&5
+echo "${ECHO_T}$enable_string_hacks" >&6
 
-if test "x$with_string_hacks" = "xyes"; then
+if test "x$enable_string_hacks" = "xyes"; then
 
 cat >>confdefs.h <<\EOF
 #define USE_STRING_HACKS 1
 EOF
 
-	{ echo "$as_me:3239: WARNING: enabling string-hacks to work around bogus compiler/loader warnings" >&5
+	{ echo "$as_me:3486: WARNING: enabling string-hacks to work around bogus compiler/loader warnings" >&5
 echo "$as_me: WARNING: enabling string-hacks to work around bogus compiler/loader warnings" >&2;}
-	echo "$as_me:3241: checking for strlcat" >&5
+	echo "$as_me:3488: checking for strlcat" >&5
 echo $ECHO_N "checking for strlcat... $ECHO_C" >&6
 if test "${ac_cv_func_strlcat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 3247 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 3494 "configure"
 #include "confdefs.h"
 #define strlcat autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -3274,29 +3521,29 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3278: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:3525: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3281: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3284: \"$ac_try\"") >&5
+  echo "$as_me:3528: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:3531: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3287: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3534: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_strlcat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_strlcat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:3297: result: $ac_cv_func_strlcat" >&5
+echo "$as_me:3544: result: $ac_cv_func_strlcat" >&5
 echo "${ECHO_T}$ac_cv_func_strlcat" >&6
-if test $ac_cv_func_strlcat = yes; then
+if test "$ac_cv_func_strlcat" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_STRLCAT 1
@@ -3304,15 +3551,15 @@ EOF
 
 else
 
-		echo "$as_me:3307: checking for strlcat in -lbsd" >&5
+		echo "$as_me:3554: checking for strlcat in -lbsd" >&5
 echo $ECHO_N "checking for strlcat in -lbsd... $ECHO_C" >&6
 if test "${ac_cv_lib_bsd_strlcat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbsd  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 3315 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 3562 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -3330,30 +3577,30 @@ strlcat ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3334: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:3581: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3337: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3340: \"$ac_try\"") >&5
+  echo "$as_me:3584: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:3587: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3343: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3590: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_bsd_strlcat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_bsd_strlcat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:3354: result: $ac_cv_lib_bsd_strlcat" >&5
+echo "$as_me:3601: result: $ac_cv_lib_bsd_strlcat" >&5
 echo "${ECHO_T}$ac_cv_lib_bsd_strlcat" >&6
-if test $ac_cv_lib_bsd_strlcat = yes; then
+if test "$ac_cv_lib_bsd_strlcat" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -3374,24 +3621,24 @@ LIBS="$cf_add_libs"
 for ac_header in bsd/string.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:3377: checking for $ac_header" >&5
+echo "$as_me:3624: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 3383 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 3630 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:3387: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:3634: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:3393: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:3640: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -3404,14 +3651,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:3412: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:3659: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -3430,13 +3677,13 @@ fi
 for ac_func in strlcpy snprintf
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:3433: checking for $ac_func" >&5
+echo "$as_me:3680: checking for $ac_func" >&5
 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
 if eval "test \"\${$as_ac_var+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 3439 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 3686 "configure"
 #include "confdefs.h"
 #define $ac_func autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -3466,29 +3713,29 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3470: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:3717: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3473: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3476: \"$ac_try\"") >&5
+  echo "$as_me:3720: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:3723: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3479: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3726: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   eval "$as_ac_var=yes"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 eval "$as_ac_var=no"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:3489: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+echo "$as_me:3736: result: `eval echo '${'"$as_ac_var"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_var"'}'`" >&6
+if test "`eval echo '${'"$as_ac_var"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
 EOF
@@ -3498,14 +3745,14 @@ done
 
 fi
 
-echo "$as_me:3501: checking if the POSIX test-macros are already defined" >&5
+echo "$as_me:3748: checking if the POSIX test-macros are already defined" >&5
 echo $ECHO_N "checking if the POSIX test-macros are already defined... $ECHO_C" >&6
 if test "${cf_cv_posix_visible+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 3508 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 3755 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -3523,28 +3770,28 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3527: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:3774: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3530: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3533: \"$ac_try\"") >&5
+  echo "$as_me:3777: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:3780: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3536: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3783: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_posix_visible=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_visible=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:3547: result: $cf_cv_posix_visible" >&5
+echo "$as_me:3794: result: $cf_cv_posix_visible" >&5
 echo "${ECHO_T}$cf_cv_posix_visible" >&6
 
 if test "$cf_cv_posix_visible" = no; then
@@ -3553,7 +3800,7 @@ cf_XOPEN_SOURCE=600
 cf_POSIX_C_SOURCE=199506L
 cf_xopen_source=
 
-case $host_os in
+case "$host_os" in
 (aix[4-7]*)
 	cf_xopen_source="-D_ALL_SOURCE"
 	;;
@@ -3589,14 +3836,14 @@ case $host_os in
 
 cf_gnu_xopen_source=$cf_XOPEN_SOURCE
 
-echo "$as_me:3592: checking if this is the GNU C library" >&5
+echo "$as_me:3839: checking if this is the GNU C library" >&5
 echo $ECHO_N "checking if this is the GNU C library... $ECHO_C" >&6
 if test "${cf_cv_gnu_library+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 3599 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 3846 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -3614,28 +3861,28 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3618: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:3865: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3621: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3624: \"$ac_try\"") >&5
+  echo "$as_me:3868: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:3871: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3627: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3874: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_library=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_gnu_library=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:3638: result: $cf_cv_gnu_library" >&5
+echo "$as_me:3885: result: $cf_cv_gnu_library" >&5
 echo "${ECHO_T}$cf_cv_gnu_library" >&6
 
 if test x$cf_cv_gnu_library = xyes; then
@@ -3643,7 +3890,7 @@ if test x$cf_cv_gnu_library = xyes; then
 	# With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
 	# was changed to help a little.  newlib incorporated the change about 4
 	# years later.
-	echo "$as_me:3646: checking if _DEFAULT_SOURCE can be used as a basis" >&5
+	echo "$as_me:3893: checking if _DEFAULT_SOURCE can be used as a basis" >&5
 echo $ECHO_N "checking if _DEFAULT_SOURCE can be used as a basis... $ECHO_C" >&6
 if test "${cf_cv_gnu_library_219+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3654,8 +3901,8 @@ else
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-D_DEFAULT_SOURCE"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 3658 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 3905 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -3673,34 +3920,34 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3677: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:3924: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3680: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3683: \"$ac_try\"") >&5
+  echo "$as_me:3927: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:3930: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3686: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:3933: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_library_219=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_gnu_library_219=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		CPPFLAGS="$cf_save"
 
 fi
-echo "$as_me:3698: result: $cf_cv_gnu_library_219" >&5
+echo "$as_me:3945: result: $cf_cv_gnu_library_219" >&5
 echo "${ECHO_T}$cf_cv_gnu_library_219" >&6
 
 	if test "x$cf_cv_gnu_library_219" = xyes; then
 		cf_save="$CPPFLAGS"
-		echo "$as_me:3703: checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE" >&5
+		echo "$as_me:3950: checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE" >&5
 echo $ECHO_N "checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_gnu_dftsrc_219+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3713,19 +3960,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -3744,7 +3991,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -3774,7 +4021,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -3804,8 +4051,8 @@ if test -n "$cf_new_extra_cppflags" ; then
 
 fi
 
-			cat >conftest.$ac_ext <<_ACEOF
-#line 3808 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 4055 "configure"
 #include "confdefs.h"
 
 				#include <limits.h>
@@ -3824,28 +4071,28 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3828: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4075: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3831: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3834: \"$ac_try\"") >&5
+  echo "$as_me:4078: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4081: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3837: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4084: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_dftsrc_219=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_gnu_dftsrc_219=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:3848: result: $cf_cv_gnu_dftsrc_219" >&5
+echo "$as_me:4095: result: $cf_cv_gnu_dftsrc_219" >&5
 echo "${ECHO_T}$cf_cv_gnu_dftsrc_219" >&6
 		test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
 	else
@@ -3854,14 +4101,14 @@ echo "${ECHO_T}$cf_cv_gnu_dftsrc_219" >&6
 
 	if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
 
-		echo "$as_me:3857: checking if we must define _GNU_SOURCE" >&5
+		echo "$as_me:4104: checking if we must define _GNU_SOURCE" >&5
 echo $ECHO_N "checking if we must define _GNU_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_gnu_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 3864 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 4111 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -3875,22 +4122,22 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3879: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4126: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3882: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3885: \"$ac_try\"") >&5
+  echo "$as_me:4129: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4132: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3888: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4135: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_save="$CPPFLAGS"
 
 cf_fix_cppflags=no
@@ -3900,19 +4147,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in -D_GNU_SOURCE
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -3931,7 +4178,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -3961,7 +4208,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -3991,8 +4238,8 @@ if test -n "$cf_new_extra_cppflags" ; then
 
 fi
 
-			 cat >conftest.$ac_ext <<_ACEOF
-#line 3995 "configure"
+			 cat >"conftest.$ac_ext" <<_ACEOF
+#line 4242 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4006,37 +4253,37 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4010: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4257: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4013: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4016: \"$ac_try\"") >&5
+  echo "$as_me:4260: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4263: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4019: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4266: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_gnu_source=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			CPPFLAGS="$cf_save"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:4034: result: $cf_cv_gnu_source" >&5
+echo "$as_me:4281: result: $cf_cv_gnu_source" >&5
 echo "${ECHO_T}$cf_cv_gnu_source" >&6
 
 		if test "$cf_cv_gnu_source" = yes
 		then
-		echo "$as_me:4039: checking if we should also define _DEFAULT_SOURCE" >&5
+		echo "$as_me:4286: checking if we should also define _DEFAULT_SOURCE" >&5
 echo $ECHO_N "checking if we should also define _DEFAULT_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_default_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -4045,8 +4292,8 @@ else
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-D_GNU_SOURCE"
 
-			cat >conftest.$ac_ext <<_ACEOF
-#line 4049 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 4296 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4060,28 +4307,28 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4064: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4311: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4067: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4070: \"$ac_try\"") >&5
+  echo "$as_me:4314: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4317: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4073: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4320: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_default_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_default_source=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:4084: result: $cf_cv_default_source" >&5
+echo "$as_me:4331: result: $cf_cv_default_source" >&5
 echo "${ECHO_T}$cf_cv_default_source" >&6
 			if test "$cf_cv_default_source" = yes
 			then
@@ -4118,16 +4365,16 @@ cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
 	sed	-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
 		-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?$//g'`
 
-echo "$as_me:4121: checking if we should define _POSIX_C_SOURCE" >&5
+echo "$as_me:4368: checking if we should define _POSIX_C_SOURCE" >&5
 echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_posix_c_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-echo "${as_me:-configure}:4127: testing if the symbol is already defined go no further ..." 1>&5
+echo "${as_me:-configure}:4374: testing if the symbol is already defined go no further ..." 1>&5
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4130 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 4377 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4141,22 +4388,22 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4145: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4392: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4148: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4151: \"$ac_try\"") >&5
+  echo "$as_me:4395: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4398: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4154: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4401: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_posix_c_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_want_posix_source=no
 	 case .$cf_POSIX_C_SOURCE in
 	 (.[12]??*)
@@ -4171,8 +4418,8 @@ cf_want_posix_source=no
 		;;
 	 esac
 	 if test "$cf_want_posix_source" = yes ; then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 4175 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 4422 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4186,28 +4433,28 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4190: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4437: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4193: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4196: \"$ac_try\"") >&5
+  echo "$as_me:4440: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4443: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4199: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4446: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 fi
 
-echo "${as_me:-configure}:4210: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+echo "${as_me:-configure}:4457: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
 
 	 CFLAGS="$cf_trim_CFLAGS"
 	 CPPFLAGS="$cf_trim_CPPFLAGS"
@@ -4215,10 +4462,10 @@ echo "${as_me:-configure}:4210: testing ifdef from value $cf_POSIX_C_SOURCE ..."
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
 
-echo "${as_me:-configure}:4218: testing if the second compile does not leave our definition intact error ..." 1>&5
+echo "${as_me:-configure}:4465: testing if the second compile does not leave our definition intact error ..." 1>&5
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 4221 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 4468 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4232,33 +4479,33 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4236: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4483: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4239: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4242: \"$ac_try\"") >&5
+  echo "$as_me:4486: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4489: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4245: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4492: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 CFLAGS="$cf_save_CFLAGS"
 	 CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:4261: result: $cf_cv_posix_c_source" >&5
+echo "$as_me:4508: result: $cf_cv_posix_c_source" >&5
 echo "${ECHO_T}$cf_cv_posix_c_source" >&6
 
 if test "$cf_cv_posix_c_source" != no ; then
@@ -4272,19 +4519,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_cv_posix_c_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -4303,7 +4550,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -4333,7 +4580,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -4398,14 +4645,14 @@ fi # cf_cv_posix_visible
 	;;
 (*)
 
-echo "$as_me:4401: checking if we should define _XOPEN_SOURCE" >&5
+echo "$as_me:4648: checking if we should define _XOPEN_SOURCE" >&5
 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_xopen_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4408 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 4655 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -4423,29 +4670,29 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4427: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4674: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4430: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4433: \"$ac_try\"") >&5
+  echo "$as_me:4677: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4680: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4436: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4683: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_save="$CPPFLAGS"
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 4448 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 4695 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -4463,32 +4710,32 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4467: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4714: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4470: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4473: \"$ac_try\"") >&5
+  echo "$as_me:4717: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4720: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4476: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4723: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xopen_source=$cf_XOPEN_SOURCE
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	CPPFLAGS="$cf_save"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:4491: result: $cf_cv_xopen_source" >&5
+echo "$as_me:4738: result: $cf_cv_xopen_source" >&5
 echo "${ECHO_T}$cf_cv_xopen_source" >&6
 
 if test "$cf_cv_xopen_source" != no ; then
@@ -4510,19 +4757,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_temp_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -4541,7 +4788,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -4571,7 +4818,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -4618,16 +4865,16 @@ cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
 	sed	-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
 		-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?$//g'`
 
-echo "$as_me:4621: checking if we should define _POSIX_C_SOURCE" >&5
+echo "$as_me:4868: checking if we should define _POSIX_C_SOURCE" >&5
 echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_posix_c_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-echo "${as_me:-configure}:4627: testing if the symbol is already defined go no further ..." 1>&5
+echo "${as_me:-configure}:4874: testing if the symbol is already defined go no further ..." 1>&5
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4630 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 4877 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4641,22 +4888,22 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4645: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4892: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4648: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4651: \"$ac_try\"") >&5
+  echo "$as_me:4895: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4898: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4654: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4901: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_posix_c_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_want_posix_source=no
 	 case .$cf_POSIX_C_SOURCE in
 	 (.[12]??*)
@@ -4671,8 +4918,8 @@ cf_want_posix_source=no
 		;;
 	 esac
 	 if test "$cf_want_posix_source" = yes ; then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 4675 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 4922 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4686,28 +4933,28 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4690: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4937: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4693: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4696: \"$ac_try\"") >&5
+  echo "$as_me:4940: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4943: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4699: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4946: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 fi
 
-echo "${as_me:-configure}:4710: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+echo "${as_me:-configure}:4957: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
 
 	 CFLAGS="$cf_trim_CFLAGS"
 	 CPPFLAGS="$cf_trim_CPPFLAGS"
@@ -4715,10 +4962,10 @@ echo "${as_me:-configure}:4710: testing ifdef from value $cf_POSIX_C_SOURCE ..."
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
 
-echo "${as_me:-configure}:4718: testing if the second compile does not leave our definition intact error ..." 1>&5
+echo "${as_me:-configure}:4965: testing if the second compile does not leave our definition intact error ..." 1>&5
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 4721 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 4968 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
@@ -4732,33 +4979,33 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4736: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4983: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4739: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4742: \"$ac_try\"") >&5
+  echo "$as_me:4986: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4989: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4745: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4992: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 CFLAGS="$cf_save_CFLAGS"
 	 CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:4761: result: $cf_cv_posix_c_source" >&5
+echo "$as_me:5008: result: $cf_cv_posix_c_source" >&5
 echo "${ECHO_T}$cf_cv_posix_c_source" >&6
 
 if test "$cf_cv_posix_c_source" != no ; then
@@ -4772,19 +5019,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_cv_posix_c_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -4803,7 +5050,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -4833,7 +5080,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -4879,19 +5126,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -4910,7 +5157,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -4940,7 +5187,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -4952,7 +5199,7 @@ done
 if test -n "$cf_new_cflags" ; then
 	test -n "$verbose" && echo "	add to \$CFLAGS $cf_new_cflags" 1>&6
 
-echo "${as_me:-configure}:4955: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+echo "${as_me:-configure}:5202: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
 
 	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
 	CFLAGS="${CFLAGS}$cf_new_cflags"
@@ -4962,7 +5209,7 @@ fi
 if test -n "$cf_new_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$CPPFLAGS $cf_new_cppflags" 1>&6
 
-echo "${as_me:-configure}:4965: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+echo "${as_me:-configure}:5212: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
@@ -4972,7 +5219,7 @@ fi
 if test -n "$cf_new_extra_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags" 1>&6
 
-echo "${as_me:-configure}:4975: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+echo "${as_me:-configure}:5222: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
 
 	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
 	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
@@ -4982,10 +5229,10 @@ fi
 fi
 
 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
-	echo "$as_me:4985: checking if _XOPEN_SOURCE really is set" >&5
+	echo "$as_me:5232: checking if _XOPEN_SOURCE really is set" >&5
 echo $ECHO_N "checking if _XOPEN_SOURCE really is set... $ECHO_C" >&6
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4988 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5235 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int
@@ -4999,31 +5246,31 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5003: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5250: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5006: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5009: \"$ac_try\"") >&5
+  echo "$as_me:5253: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5256: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5012: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5259: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_XOPEN_SOURCE_set=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_XOPEN_SOURCE_set=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-	echo "$as_me:5021: result: $cf_XOPEN_SOURCE_set" >&5
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	echo "$as_me:5268: result: $cf_XOPEN_SOURCE_set" >&5
 echo "${ECHO_T}$cf_XOPEN_SOURCE_set" >&6
-	if test $cf_XOPEN_SOURCE_set = yes
+	if test "$cf_XOPEN_SOURCE_set" = yes
 	then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 5026 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 5273 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int
@@ -5037,40 +5284,40 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5041: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5288: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5044: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5047: \"$ac_try\"") >&5
+  echo "$as_me:5291: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5294: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5050: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5297: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_XOPEN_SOURCE_set_ok=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_XOPEN_SOURCE_set_ok=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-		if test $cf_XOPEN_SOURCE_set_ok = no
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+		if test "$cf_XOPEN_SOURCE_set_ok" = no
 		then
-			{ echo "$as_me:5061: WARNING: _XOPEN_SOURCE is lower than requested" >&5
+			{ echo "$as_me:5308: WARNING: _XOPEN_SOURCE is lower than requested" >&5
 echo "$as_me: WARNING: _XOPEN_SOURCE is lower than requested" >&2;}
 		fi
 	else
 
-echo "$as_me:5066: checking if we should define _XOPEN_SOURCE" >&5
+echo "$as_me:5313: checking if we should define _XOPEN_SOURCE" >&5
 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_xopen_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5073 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5320 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -5088,29 +5335,29 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5092: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5339: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5095: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5098: \"$ac_try\"") >&5
+  echo "$as_me:5342: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5345: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5101: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5348: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_save="$CPPFLAGS"
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 5113 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 5360 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -5128,32 +5375,32 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5132: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5379: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5135: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5138: \"$ac_try\"") >&5
+  echo "$as_me:5382: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5385: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5141: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5388: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xopen_source=$cf_XOPEN_SOURCE
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	CPPFLAGS="$cf_save"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:5156: result: $cf_cv_xopen_source" >&5
+echo "$as_me:5403: result: $cf_cv_xopen_source" >&5
 echo "${ECHO_T}$cf_cv_xopen_source" >&6
 
 if test "$cf_cv_xopen_source" != no ; then
@@ -5175,19 +5422,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_temp_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -5206,7 +5453,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -5236,7 +5483,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -5272,7 +5519,7 @@ fi
 fi
 fi # cf_cv_posix_visible
 
-echo "$as_me:5275: checking for signal global datatype" >&5
+echo "$as_me:5522: checking for signal global datatype" >&5
 echo $ECHO_N "checking for signal global datatype... $ECHO_C" >&6
 if test "${cf_cv_sig_atomic_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5283,8 +5530,8 @@ else
 		"sig_atomic_t" \
 		"int"
 	do
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5287 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5534 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5295,6 +5542,7 @@ extern $cf_type x;
 $cf_type x;
 static void handler(int sig)
 {
+	(void)sig;
 	x = 5;
 }
 int
@@ -5306,31 +5554,31 @@ signal(SIGINT, handler);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5310: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5558: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5313: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5316: \"$ac_try\"") >&5
+  echo "$as_me:5561: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5564: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5319: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5567: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_sig_atomic_t=$cf_type
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_sig_atomic_t=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		test "$cf_cv_sig_atomic_t" != no && break
 	done
 
 fi
 
-echo "$as_me:5333: result: $cf_cv_sig_atomic_t" >&5
+echo "$as_me:5581: result: $cf_cv_sig_atomic_t" >&5
 echo "${ECHO_T}$cf_cv_sig_atomic_t" >&6
 test "$cf_cv_sig_atomic_t" != no &&
 cat >>confdefs.h <<EOF
@@ -5339,14 +5587,14 @@ EOF
 
 # Work around breakage on OS X
 
-echo "$as_me:5342: checking if SIGWINCH is defined" >&5
+echo "$as_me:5590: checking if SIGWINCH is defined" >&5
 echo $ECHO_N "checking if SIGWINCH is defined... $ECHO_C" >&6
 if test "${cf_cv_define_sigwinch+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5349 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5597 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5355,29 +5603,29 @@ else
 int
 main (void)
 {
-int x = SIGWINCH
+int x = SIGWINCH; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5364: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5612: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5367: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5370: \"$ac_try\"") >&5
+  echo "$as_me:5615: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5618: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5373: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5621: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_define_sigwinch=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cat >conftest.$ac_ext <<_ACEOF
-#line 5380 "configure"
+cat "conftest.$ac_ext" >&5
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 5628 "configure"
 #include "confdefs.h"
 
 #undef _XOPEN_SOURCE
@@ -5389,40 +5637,40 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = SIGWINCH
+int x = SIGWINCH; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5398: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5646: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5401: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5404: \"$ac_try\"") >&5
+  echo "$as_me:5649: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5652: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5407: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5655: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_define_sigwinch=maybe
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_define_sigwinch=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:5421: result: $cf_cv_define_sigwinch" >&5
+echo "$as_me:5669: result: $cf_cv_define_sigwinch" >&5
 echo "${ECHO_T}$cf_cv_define_sigwinch" >&6
 
 if test "$cf_cv_define_sigwinch" = maybe ; then
-echo "$as_me:5425: checking for actual SIGWINCH definition" >&5
+echo "$as_me:5673: checking for actual SIGWINCH definition" >&5
 echo $ECHO_N "checking for actual SIGWINCH definition... $ECHO_C" >&6
 if test "${cf_cv_fixup_sigwinch+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5430,10 +5678,10 @@ else
 
 cf_cv_fixup_sigwinch=unknown
 cf_sigwinch=32
-while test $cf_sigwinch != 1
+while test "$cf_sigwinch" != 1
 do
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5436 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5684 "configure"
 #include "confdefs.h"
 
 #undef _XOPEN_SOURCE
@@ -5449,36 +5697,36 @@ main (void)
 #if SIGWINCH != $cf_sigwinch
 make an error
 #endif
-int x = SIGWINCH
+int x = SIGWINCH; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5458: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5706: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5461: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5464: \"$ac_try\"") >&5
+  echo "$as_me:5709: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5712: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5467: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5715: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_fixup_sigwinch=$cf_sigwinch
 	 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
-cf_sigwinch=`expr $cf_sigwinch - 1`
+cf_sigwinch="`expr "$cf_sigwinch" - 1`"
 done
 
 fi
-echo "$as_me:5481: result: $cf_cv_fixup_sigwinch" >&5
+echo "$as_me:5729: result: $cf_cv_fixup_sigwinch" >&5
 echo "${ECHO_T}$cf_cv_fixup_sigwinch" >&6
 
 	if test "$cf_cv_fixup_sigwinch" != unknown ; then
@@ -5488,47 +5736,47 @@ fi
 
 # Checks for CODESET support.
 
-echo "$as_me:5491: checking for nl_langinfo and CODESET" >&5
+echo "$as_me:5739: checking for nl_langinfo and CODESET" >&5
 echo $ECHO_N "checking for nl_langinfo and CODESET... $ECHO_C" >&6
 if test "${am_cv_langinfo_codeset+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 5497 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 5745 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 int
 main (void)
 {
-char* cs = nl_langinfo(CODESET);
+char* cs = nl_langinfo(CODESET); (void)cs
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5509: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:5757: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5512: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5515: \"$ac_try\"") >&5
+  echo "$as_me:5760: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:5763: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5518: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5766: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   am_cv_langinfo_codeset=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 am_cv_langinfo_codeset=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:5529: result: $am_cv_langinfo_codeset" >&5
+echo "$as_me:5777: result: $am_cv_langinfo_codeset" >&5
 echo "${ECHO_T}$am_cv_langinfo_codeset" >&6
-	if test $am_cv_langinfo_codeset = yes; then
+	if test "$am_cv_langinfo_codeset" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_LANGINFO_CODESET 1
@@ -5536,7 +5784,7 @@ EOF
 
 	fi
 
-echo "$as_me:5539: checking if you want to use pkg-config" >&5
+echo "$as_me:5787: checking if you want to use pkg-config" >&5
 echo $ECHO_N "checking if you want to use pkg-config... $ECHO_C" >&6
 
 # Check whether --with-pkg-config or --without-pkg-config was given.
@@ -5546,10 +5794,10 @@ if test "${with_pkg_config+set}" = set; then
 else
   cf_pkg_config=yes
 fi;
-echo "$as_me:5549: result: $cf_pkg_config" >&5
+echo "$as_me:5797: result: $cf_pkg_config" >&5
 echo "${ECHO_T}$cf_pkg_config" >&6
 
-case $cf_pkg_config in
+case "$cf_pkg_config" in
 (no)
 	PKG_CONFIG=none
 	;;
@@ -5558,7 +5806,7 @@ case $cf_pkg_config in
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
-echo "$as_me:5561: checking for $ac_word" >&5
+echo "$as_me:5809: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_PKG_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5575,7 +5823,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_PKG_CONFIG="$ac_dir/$ac_word"
-   echo "$as_me:5578: found $ac_dir/$ac_word" >&5
+   echo "$as_me:5826: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -5586,10 +5834,10 @@ fi
 PKG_CONFIG=$ac_cv_path_PKG_CONFIG
 
 if test -n "$PKG_CONFIG"; then
-  echo "$as_me:5589: result: $PKG_CONFIG" >&5
+  echo "$as_me:5837: result: $PKG_CONFIG" >&5
 echo "${ECHO_T}$PKG_CONFIG" >&6
 else
-  echo "$as_me:5592: result: no" >&5
+  echo "$as_me:5840: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -5598,7 +5846,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
   ac_pt_PKG_CONFIG=$PKG_CONFIG
   # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
-echo "$as_me:5601: checking for $ac_word" >&5
+echo "$as_me:5849: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5615,7 +5863,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_ac_pt_PKG_CONFIG="$ac_dir/$ac_word"
-   echo "$as_me:5618: found $ac_dir/$ac_word" >&5
+   echo "$as_me:5866: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -5627,10 +5875,10 @@ fi
 ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
 
 if test -n "$ac_pt_PKG_CONFIG"; then
-  echo "$as_me:5630: result: $ac_pt_PKG_CONFIG" >&5
+  echo "$as_me:5878: result: $ac_pt_PKG_CONFIG" >&5
 echo "${ECHO_T}$ac_pt_PKG_CONFIG" >&6
 else
-  echo "$as_me:5633: result: no" >&5
+  echo "$as_me:5881: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -5661,30 +5909,30 @@ case ".$PKG_CONFIG" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval PKG_CONFIG="$PKG_CONFIG"
 	case ".$PKG_CONFIG" in
 	(.NONE/*)
-		PKG_CONFIG=`echo $PKG_CONFIG | sed -e s%NONE%$cf_path_syntax%`
+		PKG_CONFIG=`echo "$PKG_CONFIG" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	PKG_CONFIG=`echo $PKG_CONFIG | sed -e s%NONE%$cf_path_syntax%`
+	PKG_CONFIG=`echo "$PKG_CONFIG" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:5676: error: expected a pathname, not \"$PKG_CONFIG\"" >&5
+	{ { echo "$as_me:5924: error: expected a pathname, not \"$PKG_CONFIG\"" >&5
 echo "$as_me: error: expected a pathname, not \"$PKG_CONFIG\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
 esac
 
 elif test "x$cf_pkg_config" != xno ; then
-	{ echo "$as_me:5683: WARNING: pkg-config is not installed" >&5
+	{ echo "$as_me:5931: WARNING: pkg-config is not installed" >&5
 echo "$as_me: WARNING: pkg-config is not installed" >&2;}
 fi
 
-echo "$as_me:5687: checking if you want to see long compiling messages" >&5
+echo "$as_me:5935: checking if you want to see long compiling messages" >&5
 echo $ECHO_N "checking if you want to see long compiling messages... $ECHO_C" >&6
 
 # Check whether --enable-echo or --disable-echo was given.
@@ -5718,10 +5966,10 @@ else
 	ECHO_CC=''
 
 fi;
-echo "$as_me:5721: result: $enableval" >&5
+echo "$as_me:5969: result: $enableval" >&5
 echo "${ECHO_T}$enableval" >&6
 
-echo "$as_me:5724: checking for ncurses wrap-prefix" >&5
+echo "$as_me:5972: checking for ncurses wrap-prefix" >&5
 echo $ECHO_N "checking for ncurses wrap-prefix... $ECHO_C" >&6
 
 # Check whether --with-ncurses-wrap-prefix or --without-ncurses-wrap-prefix was given.
@@ -5731,10 +5979,10 @@ if test "${with_ncurses_wrap_prefix+set}" = set; then
 else
   NCURSES_WRAP_PREFIX=_nc_
 fi;
-echo "$as_me:5734: result: $NCURSES_WRAP_PREFIX" >&5
+echo "$as_me:5982: result: $NCURSES_WRAP_PREFIX" >&5
 echo "${ECHO_T}$NCURSES_WRAP_PREFIX" >&6
 
-echo "$as_me:5737: checking if you want to check for wide-character functions" >&5
+echo "$as_me:5985: checking if you want to check for wide-character functions" >&5
 echo $ECHO_N "checking if you want to check for wide-character functions... $ECHO_C" >&6
 
 # Check whether --enable-widec or --disable-widec was given.
@@ -5751,10 +5999,10 @@ else
 	cf_enable_widec=yes
 
 fi;
-echo "$as_me:5754: result: $cf_enable_widec" >&5
+echo "$as_me:6002: result: $cf_enable_widec" >&5
 echo "${ECHO_T}$cf_enable_widec" >&6
 
-echo "$as_me:5757: checking for specific curses-directory" >&5
+echo "$as_me:6005: checking for specific curses-directory" >&5
 echo $ECHO_N "checking for specific curses-directory... $ECHO_C" >&6
 
 # Check whether --with-curses-dir or --without-curses-dir was given.
@@ -5764,10 +6012,10 @@ if test "${with_curses_dir+set}" = set; then
 else
   cf_cv_curses_dir=no
 fi;
-echo "$as_me:5767: result: $cf_cv_curses_dir" >&5
+echo "$as_me:6015: result: $cf_cv_curses_dir" >&5
 echo "${ECHO_T}$cf_cv_curses_dir" >&6
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
 if test "x$prefix" != xNONE; then
@@ -5783,19 +6031,19 @@ case ".$withval" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval withval="$withval"
 	case ".$withval" in
 	(.NONE/*)
-		withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+		withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+	withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:5798: error: expected a pathname, not \"$withval\"" >&5
+	{ { echo "$as_me:6046: error: expected a pathname, not \"$withval\"" >&5
 echo "$as_me: error: expected a pathname, not \"$withval\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -5807,9 +6055,9 @@ esac
 if test -n "$cf_cv_curses_dir/include" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -5830,8 +6078,8 @@ if test -n "$cf_cv_curses_dir/include" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 5834 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6082 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -5842,25 +6090,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5846: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6094: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5849: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5852: \"$ac_try\"") >&5
+  echo "$as_me:6097: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:6100: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5855: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6103: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -5869,11 +6117,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:5872: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:6120: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -5889,9 +6137,9 @@ fi
 if test -n "$cf_cv_curses_dir/lib" ; then
 	for cf_add_libdir in $cf_cv_curses_dir/lib
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -5905,7 +6153,7 @@ if test -n "$cf_cv_curses_dir/lib" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:5908: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:6156: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -5918,7 +6166,7 @@ fi
 
 cf_cv_screen=curses
 
-echo "$as_me:5921: checking for specified curses library type" >&5
+echo "$as_me:6169: checking for specified curses library type" >&5
 echo $ECHO_N "checking for specified curses library type... $ECHO_C" >&6
 
 # Check whether --with-screen or --without-screen was given.
@@ -5962,20 +6210,20 @@ fi;
 fi;
 fi;
 
-echo "$as_me:5965: result: $cf_cv_screen" >&5
+echo "$as_me:6213: result: $cf_cv_screen" >&5
 echo "${ECHO_T}$cf_cv_screen" >&6
 
 case $cf_cv_screen in
 (curses|curses_*)
 
-echo "$as_me:5971: checking for extra include directories" >&5
+echo "$as_me:6219: checking for extra include directories" >&5
 echo $ECHO_N "checking for extra include directories... $ECHO_C" >&6
 if test "${cf_cv_curses_incdir+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 cf_cv_curses_incdir=no
-case $host_os in
+case "$host_os" in
 (hpux10.*)
 	if test "x$cf_cv_screen" = "xcurses_colr"
 	then
@@ -5994,7 +6242,7 @@ case $host_os in
 esac
 
 fi
-echo "$as_me:5997: result: $cf_cv_curses_incdir" >&5
+echo "$as_me:6245: result: $cf_cv_curses_incdir" >&5
 echo "${ECHO_T}$cf_cv_curses_incdir" >&6
 if test "$cf_cv_curses_incdir" != no
 then
@@ -6004,7 +6252,7 @@ then
 
 fi
 
-echo "$as_me:6007: checking if we have identified curses headers" >&5
+echo "$as_me:6255: checking if we have identified curses headers" >&5
 echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
 if test "${cf_cv_ncurses_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -6015,8 +6263,8 @@ for cf_header in \
 	ncurses.h  \
 	curses.h  ncurses/ncurses.h ncurses/curses.h
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 6019 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6267 "configure"
 #include "confdefs.h"
 #include <${cf_header}>
 int
@@ -6027,32 +6275,32 @@ initscr(); tgoto("?", 0,0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6031: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6279: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6034: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6037: \"$ac_try\"") >&5
+  echo "$as_me:6282: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:6285: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6040: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6288: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_header=$cf_header; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:6051: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:6299: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:6055: error: No curses header-files found" >&5
+	{ { echo "$as_me:6303: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -6062,24 +6310,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:6065: checking for $ac_header" >&5
+echo "$as_me:6313: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 6071 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6319 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:6075: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:6323: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:6081: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:6329: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -6092,14 +6340,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:6100: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:6348: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -6107,13 +6355,13 @@ EOF
 fi
 done
 
-echo "$as_me:6110: checking for terminfo header" >&5
+echo "$as_me:6358: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -6124,8 +6372,8 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 6128 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6376 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -6134,43 +6382,43 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6143: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6391: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6146: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6149: \"$ac_try\"") >&5
+  echo "$as_me:6394: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:6397: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6152: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6400: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:6168: result: $cf_cv_term_header" >&5
+echo "$as_me:6416: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -6180,7 +6428,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -6197,7 +6445,7 @@ EOF
 	;;
 esac
 
-echo "$as_me:6200: checking for ncurses version" >&5
+echo "$as_me:6448: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -6205,12 +6453,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -6223,20 +6471,20 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:6226: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:6474: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:6229: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:6477: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 6239 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6487 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -6246,13 +6494,13 @@ int main(void)
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -6260,40 +6508,40 @@ int main(void)
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:6264: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:6512: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6267: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:6269: \"$ac_try\"") >&5
+  echo "$as_me:6515: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:6517: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6272: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6520: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:6286: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:6534: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:6293: checking if we have identified curses libraries" >&5
+echo "$as_me:6541: checking if we have identified curses libraries" >&5
 echo $ECHO_N "checking if we have identified curses libraries... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line 6296 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6544 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -6304,40 +6552,40 @@ initscr(); tgoto("?", 0,0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6308: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6556: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6311: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6314: \"$ac_try\"") >&5
+  echo "$as_me:6559: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6562: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6317: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6565: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_result=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-echo "$as_me:6326: result: $cf_result" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+echo "$as_me:6574: result: $cf_result" >&5
 echo "${ECHO_T}$cf_result" >&6
 
 if test "$cf_result" = no ; then
-case $host_os in
+case "$host_os" in
 (freebsd*)
-	echo "$as_me:6332: checking for tgoto in -lmytinfo" >&5
+	echo "$as_me:6580: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6340 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6588 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6355,30 +6603,30 @@ tgoto ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6359: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6607: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6362: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6365: \"$ac_try\"") >&5
+  echo "$as_me:6610: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6613: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6368: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6616: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6379: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:6627: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -6406,15 +6654,15 @@ fi
 	# term.h) for cur_colr
 	if test "x$cf_cv_screen" = "xcurses_colr"
 	then
-		echo "$as_me:6409: checking for initscr in -lcur_colr" >&5
+		echo "$as_me:6657: checking for initscr in -lcur_colr" >&5
 echo $ECHO_N "checking for initscr in -lcur_colr... $ECHO_C" >&6
 if test "${ac_cv_lib_cur_colr_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcur_colr  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6417 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6665 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6432,30 +6680,30 @@ initscr ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6436: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6684: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6439: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6442: \"$ac_try\"") >&5
+  echo "$as_me:6687: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6690: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6445: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6693: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_cur_colr_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_cur_colr_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6456: result: $ac_cv_lib_cur_colr_initscr" >&5
+echo "$as_me:6704: result: $ac_cv_lib_cur_colr_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_cur_colr_initscr" >&6
-if test $ac_cv_lib_cur_colr_initscr = yes; then
+if test "$ac_cv_lib_cur_colr_initscr" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -6477,15 +6725,15 @@ LIBS="$cf_add_libs"
 
 else
 
-		echo "$as_me:6480: checking for initscr in -lHcurses" >&5
+		echo "$as_me:6728: checking for initscr in -lHcurses" >&5
 echo $ECHO_N "checking for initscr in -lHcurses... $ECHO_C" >&6
 if test "${ac_cv_lib_Hcurses_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lHcurses  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6488 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6736 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6503,30 +6751,30 @@ initscr ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6507: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6755: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6510: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6513: \"$ac_try\"") >&5
+  echo "$as_me:6758: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6761: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6516: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6764: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_Hcurses_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_Hcurses_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6527: result: $ac_cv_lib_Hcurses_initscr" >&5
+echo "$as_me:6775: result: $ac_cv_lib_Hcurses_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_Hcurses_initscr" >&6
-if test $ac_cv_lib_Hcurses_initscr = yes; then
+if test "$ac_cv_lib_Hcurses_initscr" = yes; then
 
 			# HP's header uses __HP_CURSES, but user claims _HP_CURSES.
 
@@ -6566,9 +6814,9 @@ fi
 if test -n "/lib64" ; then
 	for cf_add_libdir in /lib64
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -6582,7 +6830,7 @@ if test -n "/lib64" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:6585: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:6833: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -6595,9 +6843,9 @@ fi
 if test -n "/lib" ; then
 	for cf_add_libdir in /lib
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -6611,7 +6859,7 @@ if test -n "/lib" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:6614: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:6862: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -6626,9 +6874,9 @@ fi
 if test -n "/lib" ; then
 	for cf_add_libdir in /lib
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -6642,7 +6890,7 @@ if test -n "/lib" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:6645: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:6893: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -6661,9 +6909,9 @@ fi
 if test -n "/usr/5lib" ; then
 	for cf_add_libdir in /usr/5lib
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -6677,7 +6925,7 @@ if test -n "/usr/5lib" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:6680: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:6928: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -6721,13 +6969,13 @@ if test ".$ac_cv_func_initscr" != .yes ; then
 	# because it may be needed to link the test-case for initscr.
 	if test "x$cf_term_lib" = x
 	then
-		echo "$as_me:6724: checking for tgoto" >&5
+		echo "$as_me:6972: checking for tgoto" >&5
 echo $ECHO_N "checking for tgoto... $ECHO_C" >&6
 if test "${ac_cv_func_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 6730 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6978 "configure"
 #include "confdefs.h"
 #define tgoto autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -6757,44 +7005,44 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6761: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7009: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6764: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6767: \"$ac_try\"") >&5
+  echo "$as_me:7012: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7015: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6770: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7018: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:6780: result: $ac_cv_func_tgoto" >&5
+echo "$as_me:7028: result: $ac_cv_func_tgoto" >&5
 echo "${ECHO_T}$ac_cv_func_tgoto" >&6
-if test $ac_cv_func_tgoto = yes; then
+if test "$ac_cv_func_tgoto" = yes; then
   cf_term_lib=predefined
 else
 
 			for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
 			do
 				as_ac_Lib=`echo "ac_cv_lib_$cf_term_lib''_tgoto" | $as_tr_sh`
-echo "$as_me:6789: checking for tgoto in -l$cf_term_lib" >&5
+echo "$as_me:7037: checking for tgoto in -l$cf_term_lib" >&5
 echo $ECHO_N "checking for tgoto in -l$cf_term_lib... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Lib+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-l$cf_term_lib  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6797 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 7045 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6812,32 +7060,32 @@ tgoto ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6816: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7064: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6819: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6822: \"$ac_try\"") >&5
+  echo "$as_me:7067: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7070: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6825: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7073: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   eval "$as_ac_Lib=yes"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 eval "$as_ac_Lib=no"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6836: result: `eval echo '${'$as_ac_Lib'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Lib'}'`" >&6
-if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+echo "$as_me:7084: result: `eval echo '${'"$as_ac_Lib"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Lib"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Lib"'}'`" = yes; then
 
-					: ${cf_nculib_root:=$cf_term_lib}
+					: "${cf_nculib_root:=$cf_term_lib}"
 					break
 
 fi
@@ -6856,10 +7104,10 @@ fi
 		do
 			LIBS="-l$cf_curs_lib $cf_save_LIBS"
 			if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then
-				echo "$as_me:6859: checking if we can link with $cf_curs_lib library" >&5
+				echo "$as_me:7107: checking if we can link with $cf_curs_lib library" >&5
 echo $ECHO_N "checking if we can link with $cf_curs_lib library... $ECHO_C" >&6
-				cat >conftest.$ac_ext <<_ACEOF
-#line 6862 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 7110 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -6870,35 +7118,35 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6874: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7122: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6877: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6880: \"$ac_try\"") >&5
+  echo "$as_me:7125: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7128: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6883: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7131: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_result=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-				echo "$as_me:6892: result: $cf_result" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+				echo "$as_me:7140: result: $cf_result" >&5
 echo "${ECHO_T}$cf_result" >&6
-				test $cf_result = yes && break
+				test "$cf_result" = yes && break
 			elif test "$cf_curs_lib" = "$cf_term_lib" ; then
 				cf_result=no
 			elif test "$cf_term_lib" != predefined ; then
-				echo "$as_me:6898: checking if we need both $cf_curs_lib and $cf_term_lib libraries" >&5
+				echo "$as_me:7146: checking if we need both $cf_curs_lib and $cf_term_lib libraries" >&5
 echo $ECHO_N "checking if we need both $cf_curs_lib and $cf_term_lib libraries... $ECHO_C" >&6
-				cat >conftest.$ac_ext <<_ACEOF
-#line 6901 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 7149 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -6909,26 +7157,26 @@ initscr(); tgoto((char *)0, 0, 0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6913: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7161: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6916: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6919: \"$ac_try\"") >&5
+  echo "$as_me:7164: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7167: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6922: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7170: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 					LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
-					cat >conftest.$ac_ext <<_ACEOF
-#line 6931 "configure"
+					cat >"conftest.$ac_ext" <<_ACEOF
+#line 7179 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -6939,35 +7187,35 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6943: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7191: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6946: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6949: \"$ac_try\"") >&5
+  echo "$as_me:7194: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7197: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6952: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7200: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_result=error
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-				echo "$as_me:6964: result: $cf_result" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+				echo "$as_me:7212: result: $cf_result" >&5
 echo "${ECHO_T}$cf_result" >&6
-				test $cf_result != error && break
+				test "$cf_result" != error && break
 			fi
 		done
 	fi
-	test $cf_curs_lib = unknown && { { echo "$as_me:6970: error: no curses library found" >&5
+	test "$cf_curs_lib" = unknown && { { echo "$as_me:7218: error: no curses library found" >&5
 echo "$as_me: error: no curses library found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -6976,15 +7224,15 @@ fi
 	;;
 (ncursesw*)
 
-echo "$as_me:6979: checking for multibyte character support" >&5
+echo "$as_me:7227: checking for multibyte character support" >&5
 echo $ECHO_N "checking for multibyte character support... $ECHO_C" >&6
 if test "${cf_cv_utf8_lib+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_save_LIBS="$LIBS"
-	cat >conftest.$ac_ext <<_ACEOF
-#line 6987 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 7235 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -6996,34 +7244,34 @@ putwc(0,0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7000: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7248: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7003: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7006: \"$ac_try\"") >&5
+  echo "$as_me:7251: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7254: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7009: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7257: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_utf8_lib=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 # will be set on completion of the AC_TRY_LINK below.
 cf_cv_header_path_utf8=
 cf_cv_library_path_utf8=
 
-echo "${as_me:-configure}:7021: testing Starting FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:7269: testing Starting FIND_LINKAGE(utf8,) ..." 1>&5
 
 cf_save_LIBS="$LIBS"
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 7026 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 7274 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
@@ -7035,18 +7283,18 @@ putwc(0,0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7039: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7287: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7042: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7045: \"$ac_try\"") >&5
+  echo "$as_me:7290: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7293: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7048: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7296: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_find_linkage_utf8=yes
 	cf_cv_header_path_utf8=/usr/include
@@ -7054,12 +7302,12 @@ if { (eval echo "$as_me:7039: \"$ac_link\"") >&5
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 LIBS="-lutf8  $cf_save_LIBS"
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 7062 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 7310 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
@@ -7071,18 +7319,18 @@ putwc(0,0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7075: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7323: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7078: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7081: \"$ac_try\"") >&5
+  echo "$as_me:7326: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7329: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7084: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7332: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_find_linkage_utf8=yes
 	cf_cv_header_path_utf8=/usr/include
@@ -7091,16 +7339,16 @@ if { (eval echo "$as_me:7075: \"$ac_link\"") >&5
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_find_linkage_utf8=no
 	LIBS="$cf_save_LIBS"
 
 	test -n "$verbose" && echo "	find linkage for utf8 library" 1>&6
 
-echo "${as_me:-configure}:7101: testing find linkage for utf8 library ..." 1>&5
+echo "${as_me:-configure}:7349: testing find linkage for utf8 library ..." 1>&5
 
-echo "${as_me:-configure}:7103: testing Searching for headers in FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:7351: testing Searching for headers in FIND_LINKAGE(utf8,) ..." 1>&5
 
 	cf_save_CPPFLAGS="$CPPFLAGS"
 	cf_test_CPPFLAGS="$CPPFLAGS"
@@ -7112,7 +7360,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -7120,11 +7368,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/utf8 &&       cf_search="$cf_search $cf_header_path/include/utf8"
-	test -d $cf_header_path/include/utf8/include &&    cf_search="$cf_search $cf_header_path/include/utf8/include"
-	test -d $cf_header_path/utf8/include &&       cf_search="$cf_search $cf_header_path/utf8/include"
-	test -d $cf_header_path/utf8/include/utf8 &&    cf_search="$cf_search $cf_header_path/utf8/include/utf8"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/utf8" &&       cf_search="$cf_search $cf_header_path/include/utf8"
+	test -d "$cf_header_path/include/utf8/include" &&    cf_search="$cf_search $cf_header_path/include/utf8/include"
+	test -d "$cf_header_path/utf8/include" &&       cf_search="$cf_search $cf_header_path/utf8/include"
+	test -d "$cf_header_path/utf8/include/utf8" &&    cf_search="$cf_search $cf_header_path/utf8/include/utf8"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -7141,11 +7389,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/utf8 &&       cf_search="$cf_search $prefix/include/utf8"
-	test -d $prefix/include/utf8/include &&    cf_search="$cf_search $prefix/include/utf8/include"
-	test -d $prefix/utf8/include &&       cf_search="$cf_search $prefix/utf8/include"
-	test -d $prefix/utf8/include/utf8 &&    cf_search="$cf_search $prefix/utf8/include/utf8"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/utf8" &&       cf_search="$cf_search $prefix/include/utf8"
+	test -d "$prefix/include/utf8/include" &&    cf_search="$cf_search $prefix/include/utf8/include"
+	test -d "$prefix/utf8/include" &&       cf_search="$cf_search $prefix/utf8/include"
+	test -d "$prefix/utf8/include/utf8" &&    cf_search="$cf_search $prefix/utf8/include/utf8"
 }
 
 for cf_subdir_prefix in \
@@ -7159,13 +7407,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/utf8 &&       cf_search="$cf_search $cf_subdir_prefix/include/utf8"
-	test -d $cf_subdir_prefix/include/utf8/include &&    cf_search="$cf_search $cf_subdir_prefix/include/utf8/include"
-	test -d $cf_subdir_prefix/utf8/include &&       cf_search="$cf_search $cf_subdir_prefix/utf8/include"
-	test -d $cf_subdir_prefix/utf8/include/utf8 &&    cf_search="$cf_search $cf_subdir_prefix/utf8/include/utf8"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/utf8" &&       cf_search="$cf_search $cf_subdir_prefix/include/utf8"
+	test -d "$cf_subdir_prefix/include/utf8/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/utf8/include"
+	test -d "$cf_subdir_prefix/utf8/include" &&       cf_search="$cf_search $cf_subdir_prefix/utf8/include"
+	test -d "$cf_subdir_prefix/utf8/include/utf8" &&    cf_search="$cf_search $cf_subdir_prefix/utf8/include/utf8"
 }
 
 done
@@ -7173,33 +7421,33 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/utf8 && cf_search="$cf_search $includedir/utf8"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/utf8" && cf_search="$cf_search $includedir/utf8"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/utf8 && cf_search="$cf_search $oldincludedir/utf8"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/utf8" && cf_search="$cf_search $oldincludedir/utf8"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
 	for cf_cv_header_path_utf8 in $cf_search
 	do
-		if test -d $cf_cv_header_path_utf8 ; then
+		if test -d "$cf_cv_header_path_utf8" ; then
 			test -n "$verbose" && echo "	... testing $cf_cv_header_path_utf8" 1>&6
 
-echo "${as_me:-configure}:7194: testing ... testing $cf_cv_header_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:7442: testing ... testing $cf_cv_header_path_utf8 ..." 1>&5
 
 			CPPFLAGS="$cf_save_CPPFLAGS"
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_cv_header_path_utf8"
 
-			cat >conftest.$ac_ext <<_ACEOF
-#line 7202 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 7450 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
@@ -7211,40 +7459,40 @@ putwc(0,0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7215: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:7463: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7218: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7221: \"$ac_try\"") >&5
+  echo "$as_me:7466: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:7469: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7224: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7472: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 				test -n "$verbose" && echo "	... found utf8 headers in $cf_cv_header_path_utf8" 1>&6
 
-echo "${as_me:-configure}:7229: testing ... found utf8 headers in $cf_cv_header_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:7477: testing ... found utf8 headers in $cf_cv_header_path_utf8 ..." 1>&5
 
 				cf_cv_find_linkage_utf8=maybe
 				cf_test_CPPFLAGS="$CPPFLAGS"
 				break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 				CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		fi
 	done
 
 	if test "$cf_cv_find_linkage_utf8" = maybe ; then
 
-echo "${as_me:-configure}:7247: testing Searching for utf8 library in FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:7495: testing Searching for utf8 library in FIND_LINKAGE(utf8,) ..." 1>&5
 
 		cf_save_LIBS="$LIBS"
 		cf_save_LDFLAGS="$LDFLAGS"
@@ -7256,7 +7504,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -7264,11 +7512,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/utf8 &&       cf_search="$cf_search $cf_library_path/lib/utf8"
-	test -d $cf_library_path/lib/utf8/lib &&    cf_search="$cf_search $cf_library_path/lib/utf8/lib"
-	test -d $cf_library_path/utf8/lib &&       cf_search="$cf_search $cf_library_path/utf8/lib"
-	test -d $cf_library_path/utf8/lib/utf8 &&    cf_search="$cf_search $cf_library_path/utf8/lib/utf8"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/utf8" &&       cf_search="$cf_search $cf_library_path/lib/utf8"
+	test -d "$cf_library_path/lib/utf8/lib" &&    cf_search="$cf_search $cf_library_path/lib/utf8/lib"
+	test -d "$cf_library_path/utf8/lib" &&       cf_search="$cf_search $cf_library_path/utf8/lib"
+	test -d "$cf_library_path/utf8/lib/utf8" &&    cf_search="$cf_search $cf_library_path/utf8/lib/utf8"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -7283,11 +7531,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/utf8 &&       cf_search="$cf_search $prefix/lib/utf8"
-	test -d $prefix/lib/utf8/lib &&    cf_search="$cf_search $prefix/lib/utf8/lib"
-	test -d $prefix/utf8/lib &&       cf_search="$cf_search $prefix/utf8/lib"
-	test -d $prefix/utf8/lib/utf8 &&    cf_search="$cf_search $prefix/utf8/lib/utf8"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/utf8" &&       cf_search="$cf_search $prefix/lib/utf8"
+	test -d "$prefix/lib/utf8/lib" &&    cf_search="$cf_search $prefix/lib/utf8/lib"
+	test -d "$prefix/utf8/lib" &&       cf_search="$cf_search $prefix/utf8/lib"
+	test -d "$prefix/utf8/lib/utf8" &&    cf_search="$cf_search $prefix/utf8/lib/utf8"
 }
 
 for cf_subdir_prefix in \
@@ -7301,13 +7549,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/utf8 &&       cf_search="$cf_search $cf_subdir_prefix/lib/utf8"
-	test -d $cf_subdir_prefix/lib/utf8/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/utf8/lib"
-	test -d $cf_subdir_prefix/utf8/lib &&       cf_search="$cf_search $cf_subdir_prefix/utf8/lib"
-	test -d $cf_subdir_prefix/utf8/lib/utf8 &&    cf_search="$cf_search $cf_subdir_prefix/utf8/lib/utf8"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/utf8" &&       cf_search="$cf_search $cf_subdir_prefix/lib/utf8"
+	test -d "$cf_subdir_prefix/lib/utf8/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/utf8/lib"
+	test -d "$cf_subdir_prefix/utf8/lib" &&       cf_search="$cf_search $cf_subdir_prefix/utf8/lib"
+	test -d "$cf_subdir_prefix/utf8/lib/utf8" &&    cf_search="$cf_search $cf_subdir_prefix/utf8/lib/utf8"
 }
 
 done
@@ -7316,16 +7564,16 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_cv_library_path_utf8 in $cf_search
 			do
-				if test -d $cf_cv_library_path_utf8 ; then
+				if test -d "$cf_cv_library_path_utf8" ; then
 					test -n "$verbose" && echo "	... testing $cf_cv_library_path_utf8" 1>&6
 
-echo "${as_me:-configure}:7322: testing ... testing $cf_cv_library_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:7570: testing ... testing $cf_cv_library_path_utf8 ..." 1>&5
 
 					CPPFLAGS="$cf_test_CPPFLAGS"
 					LIBS="-lutf8  $cf_save_LIBS"
 					LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_utf8"
-					cat >conftest.$ac_ext <<_ACEOF
-#line 7328 "configure"
+					cat >"conftest.$ac_ext" <<_ACEOF
+#line 7576 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
@@ -7337,36 +7585,36 @@ putwc(0,0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7341: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7589: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7344: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7347: \"$ac_try\"") >&5
+  echo "$as_me:7592: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7595: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7350: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7598: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 					test -n "$verbose" && echo "	... found utf8 library in $cf_cv_library_path_utf8" 1>&6
 
-echo "${as_me:-configure}:7355: testing ... found utf8 library in $cf_cv_library_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:7603: testing ... found utf8 library in $cf_cv_library_path_utf8 ..." 1>&5
 
 					cf_cv_find_linkage_utf8=yes
 					cf_cv_library_file_utf8="-lutf8"
 					break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 					CPPFLAGS="$cf_save_CPPFLAGS"
 					LIBS="$cf_save_LIBS"
 					LDFLAGS="$cf_save_LDFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 				fi
 			done
 			CPPFLAGS="$cf_save_CPPFLAGS"
@@ -7378,10 +7626,10 @@ rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 	fi
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 LIBS="$cf_save_LIBS"
 
@@ -7392,9 +7640,9 @@ cf_cv_utf8_lib=no
 fi
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:7397: result: $cf_cv_utf8_lib" >&5
+echo "$as_me:7645: result: $cf_cv_utf8_lib" >&5
 echo "${ECHO_T}$cf_cv_utf8_lib" >&6
 
 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
@@ -7408,9 +7656,9 @@ EOF
 if test -n "$cf_cv_header_path_utf8" ; then
   for cf_add_incdir in $cf_cv_header_path_utf8
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -7431,8 +7679,8 @@ if test -n "$cf_cv_header_path_utf8" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 7435 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 7683 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -7443,25 +7691,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7447: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:7695: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7450: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7453: \"$ac_try\"") >&5
+  echo "$as_me:7698: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:7701: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7456: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7704: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -7470,11 +7718,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:7473: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:7721: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -7490,9 +7738,9 @@ fi
 if test -n "$cf_cv_library_path_utf8" ; then
 	for cf_add_libdir in $cf_cv_library_path_utf8
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -7506,7 +7754,7 @@ if test -n "$cf_cv_library_path_utf8" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:7509: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:7757: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -7536,39 +7784,238 @@ cf_ncuconfig_root=$cf_cv_screen
 cf_have_ncuconfig=no
 
 if test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:7539: checking pkg-config for $cf_ncuconfig_root" >&5
+	echo "$as_me:7787: checking pkg-config for $cf_ncuconfig_root" >&5
 echo $ECHO_N "checking pkg-config for $cf_ncuconfig_root... $ECHO_C" >&6
 	if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
-		echo "$as_me:7542: result: yes" >&5
+		echo "$as_me:7790: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:7545: checking if the $cf_ncuconfig_root package files work" >&5
+		echo "$as_me:7793: checking if the $cf_ncuconfig_root package files work" >&5
 echo $ECHO_N "checking if the $cf_ncuconfig_root package files work... $ECHO_C" >&6
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[89]9@@*-W*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 7926 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+int
+main (void)
+{
+initscr(); mousemask(0,0); tigetstr((char *)0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7938: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:7941: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7944: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:7947: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  if test "$cross_compiling" = yes; then
+  cf_test_ncuconfig=maybe
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 7953 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+					int main(void)
+					{ char *xx = curses_version(); return (xx == 0); }
+_ACEOF
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:7960: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:7963: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:7965: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:7968: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_test_ncuconfig=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+
+			CFLAGS="$cf_save_CFLAGS"
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
+
 cf_fix_cppflags=no
 cf_new_cflags=
 cf_new_cppflags=
 cf_new_extra_cppflags=
 
-for cf_add_cflags in `$PKG_CONFIG --cflags $cf_ncuconfig_root`
+for cf_add_cflags in $cf_pkg_cflags
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -7587,7 +8034,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -7617,7 +8064,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -7650,7 +8097,7 @@ fi
 cf_add_libs="$LIBS"
 # reverse order
 cf_add_0lib=
-for cf_add_1lib in `$PKG_CONFIG --libs $cf_ncuconfig_root`; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
 # filter duplicates
 for cf_add_1lib in $cf_add_0lib; do
 	for cf_add_2lib in $cf_add_libs; do
@@ -7663,67 +8110,67 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 7667 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 8114 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
 main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7679: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:8126: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7682: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7685: \"$ac_try\"") >&5
+  echo "$as_me:8129: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:8132: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7688: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8135: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   if test "$cross_compiling" = yes; then
   cf_have_ncuconfig=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 7694 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8141 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 				int main(void)
 				{ char *xx = curses_version(); return (xx == 0); }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:7701: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:8148: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7704: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:7706: \"$ac_try\"") >&5
+  echo "$as_me:8151: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:8153: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7709: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8156: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_have_ncuconfig=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:7726: result: $cf_have_ncuconfig" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:8173: result: $cf_have_ncuconfig" >&5
 echo "${ECHO_T}$cf_have_ncuconfig" >&6
 		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
 		if test "$cf_have_ncuconfig" != "yes"
@@ -7739,13 +8186,13 @@ EOF
 
 			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
 
-echo "$as_me:7742: checking for terminfo header" >&5
+echo "$as_me:8189: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -7756,8 +8203,8 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 7760 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8207 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -7766,43 +8213,43 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7775: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8222: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7778: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7781: \"$ac_try\"") >&5
+  echo "$as_me:8225: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8228: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7784: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8231: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:7800: result: $cf_cv_term_header" >&5
+echo "$as_me:8247: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -7812,7 +8259,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -7832,7 +8279,7 @@ esac
 		fi
 
 	else
-		echo "$as_me:7835: result: no" >&5
+		echo "$as_me:8282: result: no" >&5
 echo "${ECHO_T}no" >&6
 		NCURSES_CONFIG_PKG=none
 	fi
@@ -7848,7 +8295,7 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:7851: checking for $ac_word" >&5
+echo "$as_me:8298: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -7863,7 +8310,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_NCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:7866: found $ac_dir/$ac_word" >&5
+echo "$as_me:8313: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -7871,10 +8318,10 @@ fi
 fi
 NCURSES_CONFIG=$ac_cv_prog_NCURSES_CONFIG
 if test -n "$NCURSES_CONFIG"; then
-  echo "$as_me:7874: result: $NCURSES_CONFIG" >&5
+  echo "$as_me:8321: result: $NCURSES_CONFIG" >&5
 echo "${ECHO_T}$NCURSES_CONFIG" >&6
 else
-  echo "$as_me:7877: result: no" >&5
+  echo "$as_me:8324: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -7887,7 +8334,7 @@ if test -z "$NCURSES_CONFIG"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:7890: checking for $ac_word" >&5
+echo "$as_me:8337: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -7902,7 +8349,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_NCURSES_CONFIG="$ac_prog"
-echo "$as_me:7905: found $ac_dir/$ac_word" >&5
+echo "$as_me:8352: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -7910,10 +8357,10 @@ fi
 fi
 ac_ct_NCURSES_CONFIG=$ac_cv_prog_ac_ct_NCURSES_CONFIG
 if test -n "$ac_ct_NCURSES_CONFIG"; then
-  echo "$as_me:7913: result: $ac_ct_NCURSES_CONFIG" >&5
+  echo "$as_me:8360: result: $ac_ct_NCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_NCURSES_CONFIG" >&6
 else
-  echo "$as_me:7916: result: no" >&5
+  echo "$as_me:8363: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -7933,19 +8380,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in `$NCURSES_CONFIG --cflags`
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -7964,7 +8411,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -7994,7 +8441,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -8042,7 +8489,7 @@ LIBS="$cf_add_libs"
 
 		# even with config script, some packages use no-override for curses.h
 
-echo "$as_me:8045: checking if we have identified curses headers" >&5
+echo "$as_me:8492: checking if we have identified curses headers" >&5
 echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
 if test "${cf_cv_ncurses_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -8053,8 +8500,8 @@ for cf_header in \
 	ncurses.h $cf_cv_screen/ncurses.h \
 	curses.h $cf_cv_screen/curses.h
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 8057 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8504 "configure"
 #include "confdefs.h"
 #include <${cf_header}>
 int
@@ -8065,32 +8512,32 @@ initscr(); tgoto("?", 0,0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8069: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8516: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8072: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8075: \"$ac_try\"") >&5
+  echo "$as_me:8519: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8522: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8078: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8525: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_header=$cf_header; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:8089: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:8536: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:8093: error: No curses header-files found" >&5
+	{ { echo "$as_me:8540: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -8100,24 +8547,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:8103: checking for $ac_header" >&5
+echo "$as_me:8550: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 8109 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8556 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:8113: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:8560: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:8119: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:8566: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -8130,14 +8577,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:8138: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:8585: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -8155,7 +8602,7 @@ cf_nculib_ROOT=`echo "HAVE_LIB$cf_ncuconfig_root" | sed y%abcdefghijklmnopqrstuv
 #define $cf_nculib_ROOT 1
 EOF
 
-				cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+				cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -8167,9 +8614,9 @@ test "$cf_cv_curses_dir" != "no" && { \
 if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include/$cf_ncuhdr_root
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -8190,8 +8637,8 @@ if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 8194 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8641 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -8202,25 +8649,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8206: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8653: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8209: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8212: \"$ac_try\"") >&5
+  echo "$as_me:8656: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8659: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8215: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8662: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -8229,11 +8676,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:8232: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:8679: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -8248,19 +8695,19 @@ fi
 
 }
 
-echo "$as_me:8251: checking for $cf_ncuhdr_root header in include-path" >&5
+echo "$as_me:8698: checking for $cf_ncuhdr_root header in include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root header in include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 8263 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 8710 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
@@ -8270,10 +8717,10 @@ main (void)
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -8283,39 +8730,39 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8287: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8734: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8290: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8293: \"$ac_try\"") >&5
+  echo "$as_me:8737: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8740: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8296: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8743: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 		test "$cf_cv_ncurses_h" != no && break
 	done
 
 fi
-echo "$as_me:8311: result: $cf_cv_ncurses_h" >&5
+echo "$as_me:8758: result: $cf_cv_ncurses_h" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h" >&6
 
 if test "$cf_cv_ncurses_h" != no ; then
 	cf_cv_ncurses_header=$cf_cv_ncurses_h
 else
 
-echo "$as_me:8318: checking for $cf_ncuhdr_root include-path" >&5
+echo "$as_me:8765: checking for $cf_ncuhdr_root include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h2+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -8330,7 +8777,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -8338,11 +8785,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
-	test -d $cf_header_path/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -8359,11 +8806,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
-	test -d $prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
+	test -d "$prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 for cf_subdir_prefix in \
@@ -8377,13 +8824,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 done
@@ -8391,20 +8838,20 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/$cf_ncuhdr_root && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/$cf_ncuhdr_root" && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/$cf_ncuhdr_root && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/$cf_ncuhdr_root" && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -8412,9 +8859,9 @@ cf_search="$cf_search $cf_header_path_list"
 if test -n "$cf_incdir" ; then
   for cf_add_incdir in $cf_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -8435,8 +8882,8 @@ if test -n "$cf_incdir" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 8439 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8886 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -8447,25 +8894,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8451: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8898: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8454: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8457: \"$ac_try\"") >&5
+  echo "$as_me:8901: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8904: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8460: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8907: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -8474,11 +8921,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:8477: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:8924: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -8496,8 +8943,8 @@ fi
 			curses.h
 		do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 8500 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 8947 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
@@ -8507,10 +8954,10 @@ main (void)
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -8520,30 +8967,30 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8524: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8971: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8527: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8530: \"$ac_try\"") >&5
+  echo "$as_me:8974: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8977: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8533: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8980: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h2=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h2=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&6
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&6
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&6
@@ -8551,26 +8998,26 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		CPPFLAGS="$cf_save2_CPPFLAGS"
 		test "$cf_cv_ncurses_h2" != no && break
 	done
-	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:8554: error: not found" >&5
+	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:9001: error: not found" >&5
 echo "$as_me: error: not found" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:8559: result: $cf_cv_ncurses_h2" >&5
+echo "$as_me:9006: result: $cf_cv_ncurses_h2" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h2" >&6
 
-	cf_1st_incdir=`echo $cf_cv_ncurses_h2 | sed -e 's%/[^/]*$%%'`
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_1st_incdir=`echo "$cf_cv_ncurses_h2" | sed -e 's%/[^/]*$%%'`
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 
 if test -n "$cf_1st_incdir" ; then
   for cf_add_incdir in $cf_1st_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -8591,8 +9038,8 @@ if test -n "$cf_1st_incdir" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 8595 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9042 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -8603,25 +9050,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8607: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:9054: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8610: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8613: \"$ac_try\"") >&5
+  echo "$as_me:9057: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:9060: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8616: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9063: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -8630,11 +9077,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:8633: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:9080: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -8651,7 +9098,7 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -8661,7 +9108,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -8678,13 +9125,13 @@ EOF
 	;;
 esac
 
-echo "$as_me:8681: checking for terminfo header" >&5
+echo "$as_me:9128: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -8695,8 +9142,8 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 8699 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 9146 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -8705,43 +9152,43 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8714: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:9161: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8717: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8720: \"$ac_try\"") >&5
+  echo "$as_me:9164: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:9167: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8723: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9170: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:8739: result: $cf_cv_term_header" >&5
+echo "$as_me:9186: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -8751,7 +9198,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -8774,7 +9221,7 @@ cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:8777: checking for ncurses version" >&5
+echo "$as_me:9224: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -8782,12 +9229,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -8800,20 +9247,20 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:8803: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:9250: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:8806: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:9253: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 8816 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9263 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -8823,13 +9270,13 @@ int main(void)
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -8837,30 +9284,30 @@ int main(void)
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:8841: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:9288: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8844: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:8846: \"$ac_try\"") >&5
+  echo "$as_me:9291: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:9293: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8849: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9296: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:8863: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:9310: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
@@ -8873,15 +9320,15 @@ cf_nculib_root=$cf_cv_screen
 	# to link gpm.
 cf_ncurses_LIBS=""
 cf_ncurses_SAVE="$LIBS"
-echo "$as_me:8876: checking for Gpm_Open in -lgpm" >&5
+echo "$as_me:9323: checking for Gpm_Open in -lgpm" >&5
 echo $ECHO_N "checking for Gpm_Open in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8884 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 9331 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -8899,39 +9346,39 @@ Gpm_Open ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8903: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9350: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8906: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8909: \"$ac_try\"") >&5
+  echo "$as_me:9353: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9356: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8912: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9359: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_Gpm_Open=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_Gpm_Open=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:8923: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+echo "$as_me:9370: result: $ac_cv_lib_gpm_Gpm_Open" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_Gpm_Open" >&6
-if test $ac_cv_lib_gpm_Gpm_Open = yes; then
-  echo "$as_me:8926: checking for initscr in -lgpm" >&5
+if test "$ac_cv_lib_gpm_Gpm_Open" = yes; then
+  echo "$as_me:9373: checking for initscr in -lgpm" >&5
 echo $ECHO_N "checking for initscr in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8934 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 9381 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -8949,30 +9396,30 @@ initscr ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8953: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9400: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8956: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8959: \"$ac_try\"") >&5
+  echo "$as_me:9403: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9406: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8962: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9409: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:8973: result: $ac_cv_lib_gpm_initscr" >&5
+echo "$as_me:9420: result: $ac_cv_lib_gpm_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_initscr" >&6
-if test $ac_cv_lib_gpm_initscr = yes; then
+if test "$ac_cv_lib_gpm_initscr" = yes; then
   LIBS="$cf_ncurses_SAVE"
 else
   cf_ncurses_LIBS="-lgpm"
@@ -8980,20 +9427,20 @@ fi
 
 fi
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
 	# version of ncurses (but it should do no harm, since it's static).
 	if test "$cf_nculib_root" = ncurses ; then
-		echo "$as_me:8988: checking for tgoto in -lmytinfo" >&5
+		echo "$as_me:9435: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8996 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 9443 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -9011,30 +9458,30 @@ tgoto ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9015: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9462: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9018: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9021: \"$ac_try\"") >&5
+  echo "$as_me:9465: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9468: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9024: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9471: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:9035: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:9482: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
   cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"
 fi
 
@@ -9058,7 +9505,7 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
 cf_add_libs="$LIBS"
@@ -9079,15 +9526,15 @@ LIBS="$cf_add_libs"
 
 else
 
-	eval 'cf_cv_have_lib_'$cf_nculib_root'=no'
+	eval 'cf_cv_have_lib_'"$cf_nculib_root"'=no'
 	cf_libdir=""
-	echo "$as_me:9084: checking for initscr" >&5
+	echo "$as_me:9531: checking for initscr" >&5
 echo $ECHO_N "checking for initscr... $ECHO_C" >&6
 if test "${ac_cv_func_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 9090 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9537 "configure"
 #include "confdefs.h"
 #define initscr autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -9117,38 +9564,38 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9121: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9568: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9124: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9127: \"$ac_try\"") >&5
+  echo "$as_me:9571: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9574: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9130: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9577: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:9140: result: $ac_cv_func_initscr" >&5
+echo "$as_me:9587: result: $ac_cv_func_initscr" >&5
 echo "${ECHO_T}$ac_cv_func_initscr" >&6
-if test $ac_cv_func_initscr = yes; then
-  eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+if test "$ac_cv_func_initscr" = yes; then
+  eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 else
 
 		cf_save_LIBS="$LIBS"
-		echo "$as_me:9147: checking for initscr in -l$cf_nculib_root" >&5
+		echo "$as_me:9594: checking for initscr in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for initscr in -l$cf_nculib_root... $ECHO_C" >&6
 		LIBS="-l$cf_nculib_root $LIBS"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 9151 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 9598 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -9159,26 +9606,26 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9163: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9610: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9166: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9169: \"$ac_try\"") >&5
+  echo "$as_me:9613: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9616: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9172: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:9174: result: yes" >&5
+  echo "$as_me:9619: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9621: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:9181: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9628: result: no" >&5
 echo "${ECHO_T}no" >&6
 
 cf_search=
@@ -9186,7 +9633,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -9194,11 +9641,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
-	test -d $cf_library_path/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -9213,11 +9660,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
-	test -d $prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
+	test -d "$prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 for cf_subdir_prefix in \
@@ -9231,13 +9678,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 done
@@ -9246,11 +9693,11 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_libdir in $cf_search
 			do
-				echo "$as_me:9249: checking for -l$cf_nculib_root in $cf_libdir" >&5
+				echo "$as_me:9696: checking for -l$cf_nculib_root in $cf_libdir" >&5
 echo $ECHO_N "checking for -l$cf_nculib_root in $cf_libdir... $ECHO_C" >&6
 				LIBS="-L$cf_libdir -l$cf_nculib_root $cf_save_LIBS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 9253 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 9700 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -9261,41 +9708,41 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9265: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9712: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9268: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9271: \"$ac_try\"") >&5
+  echo "$as_me:9715: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9718: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9274: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:9276: result: yes" >&5
+  echo "$as_me:9721: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9723: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 		 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 		 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 					 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:9283: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9730: result: no" >&5
 echo "${ECHO_T}no" >&6
 					 LIBS="$cf_save_LIBS"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 			done
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
 
-eval 'cf_found_library=$cf_cv_have_lib_'$cf_nculib_root
+eval 'cf_found_library="$cf_cv_have_lib_'"$cf_nculib_root"\"
 
-if test $cf_found_library = no ; then
-	{ { echo "$as_me:9298: error: Cannot link $cf_nculib_root library" >&5
+if test "$cf_found_library" = no ; then
+	{ { echo "$as_me:9745: error: Cannot link $cf_nculib_root library" >&5
 echo "$as_me: error: Cannot link $cf_nculib_root library" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -9303,49 +9750,49 @@ fi
 fi
 
 if test -n "$cf_ncurses_LIBS" ; then
-	echo "$as_me:9306: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
+	echo "$as_me:9753: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
 echo $ECHO_N "checking if we can link $cf_nculib_root without $cf_ncurses_LIBS... $ECHO_C" >&6
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
-	cat >conftest.$ac_ext <<_ACEOF
-#line 9316 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 9763 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
 main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9328: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9775: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9331: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9334: \"$ac_try\"") >&5
+  echo "$as_me:9778: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9781: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9337: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:9339: result: yes" >&5
+  echo "$as_me:9784: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9786: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:9344: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9791: result: no" >&5
 echo "${ECHO_T}no" >&6
 		 LIBS="$cf_ncurses_SAVE"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
 cf_nculib_ROOT=`echo "HAVE_LIB$cf_nculib_root" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
@@ -9366,39 +9813,238 @@ cf_ncuconfig_root=$cf_cv_screen
 cf_have_ncuconfig=no
 
 if test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:9369: checking pkg-config for $cf_ncuconfig_root" >&5
+	echo "$as_me:9816: checking pkg-config for $cf_ncuconfig_root" >&5
 echo $ECHO_N "checking pkg-config for $cf_ncuconfig_root... $ECHO_C" >&6
 	if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
-		echo "$as_me:9372: result: yes" >&5
+		echo "$as_me:9819: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:9375: checking if the $cf_ncuconfig_root package files work" >&5
+		echo "$as_me:9822: checking if the $cf_ncuconfig_root package files work" >&5
 echo $ECHO_N "checking if the $cf_ncuconfig_root package files work... $ECHO_C" >&6
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[89]9@@*-W*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 9955 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+int
+main (void)
+{
+initscr(); mousemask(0,0); tigetstr((char *)0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9967: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:9970: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9973: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:9976: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  if test "$cross_compiling" = yes; then
+  cf_test_ncuconfig=maybe
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9982 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+					int main(void)
+					{ char *xx = curses_version(); return (xx == 0); }
+_ACEOF
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:9989: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:9992: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:9994: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:9997: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_test_ncuconfig=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+
+			CFLAGS="$cf_save_CFLAGS"
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
+
 cf_fix_cppflags=no
 cf_new_cflags=
 cf_new_cppflags=
 cf_new_extra_cppflags=
 
-for cf_add_cflags in `$PKG_CONFIG --cflags $cf_ncuconfig_root`
+for cf_add_cflags in $cf_pkg_cflags
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -9417,7 +10063,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -9447,7 +10093,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -9480,7 +10126,7 @@ fi
 cf_add_libs="$LIBS"
 # reverse order
 cf_add_0lib=
-for cf_add_1lib in `$PKG_CONFIG --libs $cf_ncuconfig_root`; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
 # filter duplicates
 for cf_add_1lib in $cf_add_0lib; do
 	for cf_add_2lib in $cf_add_libs; do
@@ -9493,67 +10139,67 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 9497 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 10143 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
 main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9509: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:10155: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9512: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9515: \"$ac_try\"") >&5
+  echo "$as_me:10158: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:10161: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9518: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10164: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   if test "$cross_compiling" = yes; then
   cf_have_ncuconfig=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 9524 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10170 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 				int main(void)
 				{ char *xx = curses_version(); return (xx == 0); }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:9531: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:10177: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9534: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:9536: \"$ac_try\"") >&5
+  echo "$as_me:10180: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:10182: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9539: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10185: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_have_ncuconfig=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:9556: result: $cf_have_ncuconfig" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:10202: result: $cf_have_ncuconfig" >&5
 echo "${ECHO_T}$cf_have_ncuconfig" >&6
 		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
 		if test "$cf_have_ncuconfig" != "yes"
@@ -9569,13 +10215,13 @@ EOF
 
 			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
 
-echo "$as_me:9572: checking for terminfo header" >&5
+echo "$as_me:10218: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -9586,8 +10232,8 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 9590 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 10236 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -9596,43 +10242,43 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9605: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10251: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9608: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9611: \"$ac_try\"") >&5
+  echo "$as_me:10254: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10257: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9614: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10260: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:9630: result: $cf_cv_term_header" >&5
+echo "$as_me:10276: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -9642,7 +10288,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -9662,7 +10308,7 @@ esac
 		fi
 
 	else
-		echo "$as_me:9665: result: no" >&5
+		echo "$as_me:10311: result: no" >&5
 echo "${ECHO_T}no" >&6
 		NCURSES_CONFIG_PKG=none
 	fi
@@ -9678,7 +10324,7 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:9681: checking for $ac_word" >&5
+echo "$as_me:10327: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -9693,7 +10339,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_NCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:9696: found $ac_dir/$ac_word" >&5
+echo "$as_me:10342: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -9701,10 +10347,10 @@ fi
 fi
 NCURSES_CONFIG=$ac_cv_prog_NCURSES_CONFIG
 if test -n "$NCURSES_CONFIG"; then
-  echo "$as_me:9704: result: $NCURSES_CONFIG" >&5
+  echo "$as_me:10350: result: $NCURSES_CONFIG" >&5
 echo "${ECHO_T}$NCURSES_CONFIG" >&6
 else
-  echo "$as_me:9707: result: no" >&5
+  echo "$as_me:10353: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -9717,7 +10363,7 @@ if test -z "$NCURSES_CONFIG"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:9720: checking for $ac_word" >&5
+echo "$as_me:10366: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -9732,7 +10378,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_NCURSES_CONFIG="$ac_prog"
-echo "$as_me:9735: found $ac_dir/$ac_word" >&5
+echo "$as_me:10381: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -9740,10 +10386,10 @@ fi
 fi
 ac_ct_NCURSES_CONFIG=$ac_cv_prog_ac_ct_NCURSES_CONFIG
 if test -n "$ac_ct_NCURSES_CONFIG"; then
-  echo "$as_me:9743: result: $ac_ct_NCURSES_CONFIG" >&5
+  echo "$as_me:10389: result: $ac_ct_NCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_NCURSES_CONFIG" >&6
 else
-  echo "$as_me:9746: result: no" >&5
+  echo "$as_me:10392: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -9763,19 +10409,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in `$NCURSES_CONFIG --cflags`
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -9794,7 +10440,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -9824,7 +10470,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -9872,7 +10518,7 @@ LIBS="$cf_add_libs"
 
 		# even with config script, some packages use no-override for curses.h
 
-echo "$as_me:9875: checking if we have identified curses headers" >&5
+echo "$as_me:10521: checking if we have identified curses headers" >&5
 echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
 if test "${cf_cv_ncurses_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -9883,8 +10529,8 @@ for cf_header in \
 	ncurses.h $cf_cv_screen/ncurses.h \
 	curses.h $cf_cv_screen/curses.h
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 9887 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 10533 "configure"
 #include "confdefs.h"
 #include <${cf_header}>
 int
@@ -9895,32 +10541,32 @@ initscr(); tgoto("?", 0,0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9899: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10545: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9902: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9905: \"$ac_try\"") >&5
+  echo "$as_me:10548: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10551: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9908: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10554: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_header=$cf_header; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:9919: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:10565: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:9923: error: No curses header-files found" >&5
+	{ { echo "$as_me:10569: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -9930,24 +10576,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:9933: checking for $ac_header" >&5
+echo "$as_me:10579: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 9939 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10585 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:9943: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:10589: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:9949: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:10595: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -9960,14 +10606,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:9968: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:10614: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -9985,7 +10631,7 @@ cf_nculib_ROOT=`echo "HAVE_LIB$cf_ncuconfig_root" | sed y%abcdefghijklmnopqrstuv
 #define $cf_nculib_ROOT 1
 EOF
 
-				cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+				cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -9997,9 +10643,9 @@ test "$cf_cv_curses_dir" != "no" && { \
 if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include/$cf_ncuhdr_root
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -10020,8 +10666,8 @@ if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 10024 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10670 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -10032,25 +10678,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10036: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10682: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10039: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10042: \"$ac_try\"") >&5
+  echo "$as_me:10685: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10688: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10045: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10691: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -10059,11 +10705,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:10062: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:10708: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -10078,19 +10724,19 @@ fi
 
 }
 
-echo "$as_me:10081: checking for $cf_ncuhdr_root header in include-path" >&5
+echo "$as_me:10727: checking for $cf_ncuhdr_root header in include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root header in include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10093 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 10739 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
@@ -10100,10 +10746,10 @@ main (void)
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -10113,39 +10759,39 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10117: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10763: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10120: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10123: \"$ac_try\"") >&5
+  echo "$as_me:10766: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10769: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10126: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10772: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 		test "$cf_cv_ncurses_h" != no && break
 	done
 
 fi
-echo "$as_me:10141: result: $cf_cv_ncurses_h" >&5
+echo "$as_me:10787: result: $cf_cv_ncurses_h" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h" >&6
 
 if test "$cf_cv_ncurses_h" != no ; then
 	cf_cv_ncurses_header=$cf_cv_ncurses_h
 else
 
-echo "$as_me:10148: checking for $cf_ncuhdr_root include-path" >&5
+echo "$as_me:10794: checking for $cf_ncuhdr_root include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h2+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -10160,7 +10806,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -10168,11 +10814,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
-	test -d $cf_header_path/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -10189,11 +10835,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
-	test -d $prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
+	test -d "$prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 for cf_subdir_prefix in \
@@ -10207,13 +10853,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 done
@@ -10221,20 +10867,20 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/$cf_ncuhdr_root && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/$cf_ncuhdr_root" && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/$cf_ncuhdr_root && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/$cf_ncuhdr_root" && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -10242,9 +10888,9 @@ cf_search="$cf_search $cf_header_path_list"
 if test -n "$cf_incdir" ; then
   for cf_add_incdir in $cf_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -10265,8 +10911,8 @@ if test -n "$cf_incdir" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 10269 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10915 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -10277,25 +10923,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10281: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10927: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10284: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10287: \"$ac_try\"") >&5
+  echo "$as_me:10930: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10933: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10290: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10936: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -10304,11 +10950,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:10307: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:10953: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -10326,8 +10972,8 @@ fi
 			curses.h
 		do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10330 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 10976 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
@@ -10337,10 +10983,10 @@ main (void)
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -10350,30 +10996,30 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10354: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:11000: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10357: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10360: \"$ac_try\"") >&5
+  echo "$as_me:11003: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:11006: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10363: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11009: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h2=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h2=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&6
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&6
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&6
@@ -10381,26 +11027,26 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		CPPFLAGS="$cf_save2_CPPFLAGS"
 		test "$cf_cv_ncurses_h2" != no && break
 	done
-	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:10384: error: not found" >&5
+	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:11030: error: not found" >&5
 echo "$as_me: error: not found" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:10389: result: $cf_cv_ncurses_h2" >&5
+echo "$as_me:11035: result: $cf_cv_ncurses_h2" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h2" >&6
 
-	cf_1st_incdir=`echo $cf_cv_ncurses_h2 | sed -e 's%/[^/]*$%%'`
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_1st_incdir=`echo "$cf_cv_ncurses_h2" | sed -e 's%/[^/]*$%%'`
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 
 if test -n "$cf_1st_incdir" ; then
   for cf_add_incdir in $cf_1st_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -10421,8 +11067,8 @@ if test -n "$cf_1st_incdir" ; then
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
 
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 10425 "configure"
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11071 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -10433,25 +11079,25 @@ printf("Hello")
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10437: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:11083: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10440: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10443: \"$ac_try\"") >&5
+  echo "$as_me:11086: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:11089: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10446: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11092: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -10460,11 +11106,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:10463: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:11109: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -10481,7 +11127,7 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -10491,7 +11137,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -10508,13 +11154,13 @@ EOF
 	;;
 esac
 
-echo "$as_me:10511: checking for terminfo header" >&5
+echo "$as_me:11157: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -10525,8 +11171,8 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 10529 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11175 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -10535,43 +11181,43 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10544: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:11190: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10547: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10550: \"$ac_try\"") >&5
+  echo "$as_me:11193: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:11196: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10553: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11199: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:10569: result: $cf_cv_term_header" >&5
+echo "$as_me:11215: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -10581,7 +11227,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -10604,7 +11250,7 @@ cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:10607: checking for ncurses version" >&5
+echo "$as_me:11253: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -10612,12 +11258,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -10630,20 +11276,20 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:10633: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:11279: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:10636: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:11282: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 10646 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11292 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
@@ -10653,13 +11299,13 @@ int main(void)
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -10667,30 +11313,30 @@ int main(void)
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:10671: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:11317: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10674: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:10676: \"$ac_try\"") >&5
+  echo "$as_me:11320: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:11322: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10679: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11325: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:10693: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:11339: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
@@ -10703,15 +11349,15 @@ cf_nculib_root=$cf_cv_screen
 	# to link gpm.
 cf_ncurses_LIBS=""
 cf_ncurses_SAVE="$LIBS"
-echo "$as_me:10706: checking for Gpm_Open in -lgpm" >&5
+echo "$as_me:11352: checking for Gpm_Open in -lgpm" >&5
 echo $ECHO_N "checking for Gpm_Open in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 10714 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11360 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -10729,39 +11375,39 @@ Gpm_Open ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:10733: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11379: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10736: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:10739: \"$ac_try\"") >&5
+  echo "$as_me:11382: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11385: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10742: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11388: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_Gpm_Open=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_Gpm_Open=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:10753: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+echo "$as_me:11399: result: $ac_cv_lib_gpm_Gpm_Open" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_Gpm_Open" >&6
-if test $ac_cv_lib_gpm_Gpm_Open = yes; then
-  echo "$as_me:10756: checking for initscr in -lgpm" >&5
+if test "$ac_cv_lib_gpm_Gpm_Open" = yes; then
+  echo "$as_me:11402: checking for initscr in -lgpm" >&5
 echo $ECHO_N "checking for initscr in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 10764 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11410 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -10779,30 +11425,30 @@ initscr ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:10783: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11429: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10786: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:10789: \"$ac_try\"") >&5
+  echo "$as_me:11432: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11435: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10792: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11438: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:10803: result: $ac_cv_lib_gpm_initscr" >&5
+echo "$as_me:11449: result: $ac_cv_lib_gpm_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_initscr" >&6
-if test $ac_cv_lib_gpm_initscr = yes; then
+if test "$ac_cv_lib_gpm_initscr" = yes; then
   LIBS="$cf_ncurses_SAVE"
 else
   cf_ncurses_LIBS="-lgpm"
@@ -10810,20 +11456,20 @@ fi
 
 fi
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
 	# version of ncurses (but it should do no harm, since it's static).
 	if test "$cf_nculib_root" = ncurses ; then
-		echo "$as_me:10818: checking for tgoto in -lmytinfo" >&5
+		echo "$as_me:11464: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 10826 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11472 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -10841,30 +11487,30 @@ tgoto ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:10845: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11491: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10848: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:10851: \"$ac_try\"") >&5
+  echo "$as_me:11494: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11497: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10854: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11500: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:10865: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:11511: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
   cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"
 fi
 
@@ -10888,7 +11534,7 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
 cf_add_libs="$LIBS"
@@ -10909,15 +11555,15 @@ LIBS="$cf_add_libs"
 
 else
 
-	eval 'cf_cv_have_lib_'$cf_nculib_root'=no'
+	eval 'cf_cv_have_lib_'"$cf_nculib_root"'=no'
 	cf_libdir=""
-	echo "$as_me:10914: checking for initscr" >&5
+	echo "$as_me:11560: checking for initscr" >&5
 echo $ECHO_N "checking for initscr... $ECHO_C" >&6
 if test "${ac_cv_func_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 10920 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11566 "configure"
 #include "confdefs.h"
 #define initscr autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -10947,38 +11593,38 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:10951: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11597: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10954: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:10957: \"$ac_try\"") >&5
+  echo "$as_me:11600: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11603: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10960: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11606: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:10970: result: $ac_cv_func_initscr" >&5
+echo "$as_me:11616: result: $ac_cv_func_initscr" >&5
 echo "${ECHO_T}$ac_cv_func_initscr" >&6
-if test $ac_cv_func_initscr = yes; then
-  eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+if test "$ac_cv_func_initscr" = yes; then
+  eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 else
 
 		cf_save_LIBS="$LIBS"
-		echo "$as_me:10977: checking for initscr in -l$cf_nculib_root" >&5
+		echo "$as_me:11623: checking for initscr in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for initscr in -l$cf_nculib_root... $ECHO_C" >&6
 		LIBS="-l$cf_nculib_root $LIBS"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 10981 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 11627 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -10989,26 +11635,26 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:10993: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11639: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:10996: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:10999: \"$ac_try\"") >&5
+  echo "$as_me:11642: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11645: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11002: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:11004: result: yes" >&5
+  echo "$as_me:11648: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11650: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:11011: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11657: result: no" >&5
 echo "${ECHO_T}no" >&6
 
 cf_search=
@@ -11016,7 +11662,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -11024,11 +11670,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
-	test -d $cf_library_path/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -11043,11 +11689,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
-	test -d $prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
+	test -d "$prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 for cf_subdir_prefix in \
@@ -11061,13 +11707,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 done
@@ -11076,11 +11722,11 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_libdir in $cf_search
 			do
-				echo "$as_me:11079: checking for -l$cf_nculib_root in $cf_libdir" >&5
+				echo "$as_me:11725: checking for -l$cf_nculib_root in $cf_libdir" >&5
 echo $ECHO_N "checking for -l$cf_nculib_root in $cf_libdir... $ECHO_C" >&6
 				LIBS="-L$cf_libdir -l$cf_nculib_root $cf_save_LIBS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 11083 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 11729 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
@@ -11091,41 +11737,41 @@ initscr()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11095: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11741: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11098: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11101: \"$ac_try\"") >&5
+  echo "$as_me:11744: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11747: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11104: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:11106: result: yes" >&5
+  echo "$as_me:11750: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11752: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 		 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 		 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 					 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:11113: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11759: result: no" >&5
 echo "${ECHO_T}no" >&6
 					 LIBS="$cf_save_LIBS"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 			done
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
 
-eval 'cf_found_library=$cf_cv_have_lib_'$cf_nculib_root
+eval 'cf_found_library="$cf_cv_have_lib_'"$cf_nculib_root"\"
 
-if test $cf_found_library = no ; then
-	{ { echo "$as_me:11128: error: Cannot link $cf_nculib_root library" >&5
+if test "$cf_found_library" = no ; then
+	{ { echo "$as_me:11774: error: Cannot link $cf_nculib_root library" >&5
 echo "$as_me: error: Cannot link $cf_nculib_root library" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -11133,49 +11779,49 @@ fi
 fi
 
 if test -n "$cf_ncurses_LIBS" ; then
-	echo "$as_me:11136: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
+	echo "$as_me:11782: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
 echo $ECHO_N "checking if we can link $cf_nculib_root without $cf_ncurses_LIBS... $ECHO_C" >&6
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
-	cat >conftest.$ac_ext <<_ACEOF
-#line 11146 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 11792 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
 main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11158: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11804: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11161: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11164: \"$ac_try\"") >&5
+  echo "$as_me:11807: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11810: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11167: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:11169: result: yes" >&5
+  echo "$as_me:11813: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11815: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:11174: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11820: result: no" >&5
 echo "${ECHO_T}no" >&6
 		 LIBS="$cf_ncurses_SAVE"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
 cf_nculib_ROOT=`echo "HAVE_LIB$cf_nculib_root" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
@@ -11191,7 +11837,7 @@ fi
 
 	;;
 (pdcurses)
-	echo "$as_me:11194: checking for X" >&5
+	echo "$as_me:11840: checking for X" >&5
 echo $ECHO_N "checking for X... $ECHO_C" >&6
 
 # Check whether --with-x or --without-x was given.
@@ -11223,11 +11869,11 @@ acfindx:
 EOF
   if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
     # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
-    eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
+    eval "`${MAKE-make} acfindx 2>/dev/null | grep -v make`"
     # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
     for ac_extension in a so sl dylib dll; do
-      if test ! -f $ac_im_usrlibdir/libX11.$ac_extension &&
-         test -f $ac_im_libdir/libX11.$ac_extension; then
+      if test ! -f "$ac_im_usrlibdir/libX11.$ac_extension" &&
+         test -f "$ac_im_libdir/libX11.$ac_extension"; then
         ac_im_usrlibdir=$ac_im_libdir; break
       fi
     done
@@ -11294,19 +11940,19 @@ ac_x_header_dirs='
 if test "$ac_x_includes" = no; then
   # Guess where to find include files, by looking for Intrinsic.h.
   # First, try using that file with no special directory specified.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11298 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11944 "configure"
 #include "confdefs.h"
 #include <X11/Intrinsic.h>
 _ACEOF
-if { (eval echo "$as_me:11302: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:11948: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:11308: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:11954: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -11320,7 +11966,7 @@ if test -z "$ac_cpp_err"; then
 ac_x_includes=
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   for ac_dir in $ac_x_header_dirs; do
   if test -r "$ac_dir/X11/Intrinsic.h"; then
     ac_x_includes=$ac_dir
@@ -11328,7 +11974,7 @@ else
   fi
 done
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi # $ac_x_includes = no
 
 if test "$ac_x_libraries" = no; then
@@ -11337,8 +11983,8 @@ if test "$ac_x_libraries" = no; then
   # Don't add to $LIBS permanently.
   ac_save_LIBS=$LIBS
   LIBS="-lXt $LIBS"
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11341 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11987 "configure"
 #include "confdefs.h"
 #include <X11/Intrinsic.h>
 int
@@ -11349,37 +11995,37 @@ XtMalloc (0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11353: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11999: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11356: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11359: \"$ac_try\"") >&5
+  echo "$as_me:12002: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12005: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11362: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12008: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   LIBS=$ac_save_LIBS
 # We can link X programs with no special library path.
 ac_x_libraries=
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 LIBS=$ac_save_LIBS
 for ac_dir in `echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
 do
   # Don't even attempt the hair of trying to link an X program!
   for ac_extension in a so sl dylib dll; do
-    if test -r $ac_dir/libXt.$ac_extension; then
+    if test -r "$ac_dir/libXt.$ac_extension"; then
       ac_x_libraries=$ac_dir
       break 2
     fi
   done
 done
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi # $ac_x_libraries = no
 
 if test "$ac_x_includes" = no || test "$ac_x_libraries" = no; then
@@ -11397,7 +12043,7 @@ fi
 fi # $with_x != no
 
 if test "$have_x" != yes; then
-  echo "$as_me:11400: result: $have_x" >&5
+  echo "$as_me:12046: result: $have_x" >&5
 echo "${ECHO_T}$have_x" >&6
   no_x=yes
 else
@@ -11407,7 +12053,7 @@ else
   # Update the cache value to reflect the command line values.
   ac_cv_have_x="have_x=yes \
 		ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
-  echo "$as_me:11410: result: libraries $x_libraries, headers $x_includes" >&5
+  echo "$as_me:12056: result: libraries $x_libraries, headers $x_includes" >&5
 echo "${ECHO_T}libraries $x_libraries, headers $x_includes" >&6
 fi
 
@@ -11418,7 +12064,10 @@ cat >>confdefs.h <<\EOF
 #define X_DISPLAY_MISSING 1
 EOF
 
-  X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
+  X_CFLAGS=
+  X_PRE_LIBS=
+  X_LIBS=
+  X_EXTRA_LIBS=
 else
   if test -n "$x_includes"; then
     X_CFLAGS="$X_CFLAGS -I$x_includes"
@@ -11431,11 +12080,11 @@ else
     # others require no space.  Words are not sufficient . . . .
     case `(uname -sr) 2>/dev/null` in
     "SunOS 5"*)
-      echo "$as_me:11434: checking whether -R must be followed by a space" >&5
+      echo "$as_me:12083: checking whether -R must be followed by a space" >&5
 echo $ECHO_N "checking whether -R must be followed by a space... $ECHO_C" >&6
       ac_xsave_LIBS=$LIBS; LIBS="$LIBS -R$x_libraries"
-      cat >conftest.$ac_ext <<_ACEOF
-#line 11438 "configure"
+      cat >"conftest.$ac_ext" <<_ACEOF
+#line 12087 "configure"
 #include "confdefs.h"
 
 int
@@ -11446,33 +12095,33 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11450: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12099: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11453: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11456: \"$ac_try\"") >&5
+  echo "$as_me:12102: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12105: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11459: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12108: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_R_nospace=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_R_nospace=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
       if test $ac_R_nospace = yes; then
-	echo "$as_me:11469: result: no" >&5
+	echo "$as_me:12118: result: no" >&5
 echo "${ECHO_T}no" >&6
 	X_LIBS="$X_LIBS -R$x_libraries"
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
-	cat >conftest.$ac_ext <<_ACEOF
-#line 11475 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 12124 "configure"
 #include "confdefs.h"
 
 int
@@ -11483,31 +12132,31 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11487: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12136: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11490: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11493: \"$ac_try\"") >&5
+  echo "$as_me:12139: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12142: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11496: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12145: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_R_space=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_R_space=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 	if test $ac_R_space = yes; then
-	  echo "$as_me:11506: result: yes" >&5
+	  echo "$as_me:12155: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 	  X_LIBS="$X_LIBS -R $x_libraries"
 	else
-	  echo "$as_me:11510: result: neither works" >&5
+	  echo "$as_me:12159: result: neither works" >&5
 echo "${ECHO_T}neither works" >&6
 	fi
       fi
@@ -11526,8 +12175,8 @@ echo "${ECHO_T}neither works" >&6
     # libraries were built with DECnet support.  And Karl Berry says
     # the Alpha needs dnet_stub (dnet does not exist).
     ac_xsave_LIBS="$LIBS"; LIBS="$LIBS $X_LIBS -lX11"
-    cat >conftest.$ac_ext <<_ACEOF
-#line 11530 "configure"
+    cat >"conftest.$ac_ext" <<_ACEOF
+#line 12179 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11545,31 +12194,31 @@ XOpenDisplay ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11549: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12198: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11552: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11555: \"$ac_try\"") >&5
+  echo "$as_me:12201: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12204: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11558: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12207: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:11564: checking for dnet_ntoa in -ldnet" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:12213: checking for dnet_ntoa in -ldnet" >&5
 echo $ECHO_N "checking for dnet_ntoa in -ldnet... $ECHO_C" >&6
 if test "${ac_cv_lib_dnet_dnet_ntoa+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldnet  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 11572 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12221 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11587,43 +12236,43 @@ dnet_ntoa ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11591: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12240: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11594: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11597: \"$ac_try\"") >&5
+  echo "$as_me:12243: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12246: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11600: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12249: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_dnet_dnet_ntoa=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_dnet_dnet_ntoa=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:11611: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
+echo "$as_me:12260: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
 echo "${ECHO_T}$ac_cv_lib_dnet_dnet_ntoa" >&6
-if test $ac_cv_lib_dnet_dnet_ntoa = yes; then
+if test "$ac_cv_lib_dnet_dnet_ntoa" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
 fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
-      echo "$as_me:11618: checking for dnet_ntoa in -ldnet_stub" >&5
+      echo "$as_me:12267: checking for dnet_ntoa in -ldnet_stub" >&5
 echo $ECHO_N "checking for dnet_ntoa in -ldnet_stub... $ECHO_C" >&6
 if test "${ac_cv_lib_dnet_stub_dnet_ntoa+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldnet_stub  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 11626 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12275 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11641,36 +12290,36 @@ dnet_ntoa ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11645: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12294: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11648: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11651: \"$ac_try\"") >&5
+  echo "$as_me:12297: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12300: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11654: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12303: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_dnet_stub_dnet_ntoa=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_dnet_stub_dnet_ntoa=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:11665: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
+echo "$as_me:12314: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
 echo "${ECHO_T}$ac_cv_lib_dnet_stub_dnet_ntoa" >&6
-if test $ac_cv_lib_dnet_stub_dnet_ntoa = yes; then
+if test "$ac_cv_lib_dnet_stub_dnet_ntoa" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
 fi
 
     fi
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
     LIBS="$ac_xsave_LIBS"
 
     # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
@@ -11681,13 +12330,13 @@ rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
     # on Irix 5.2, according to T.E. Dickey.
     # The functions gethostbyname, getservbyname, and inet_addr are
     # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
-    echo "$as_me:11684: checking for gethostbyname" >&5
+    echo "$as_me:12333: checking for gethostbyname" >&5
 echo $ECHO_N "checking for gethostbyname... $ECHO_C" >&6
 if test "${ac_cv_func_gethostbyname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11690 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 12339 "configure"
 #include "confdefs.h"
 #define gethostbyname autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -11717,39 +12366,39 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11721: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12370: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11724: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11727: \"$ac_try\"") >&5
+  echo "$as_me:12373: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12376: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11730: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12379: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_gethostbyname=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_gethostbyname=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:11740: result: $ac_cv_func_gethostbyname" >&5
+echo "$as_me:12389: result: $ac_cv_func_gethostbyname" >&5
 echo "${ECHO_T}$ac_cv_func_gethostbyname" >&6
 
     if test $ac_cv_func_gethostbyname = no; then
-      echo "$as_me:11744: checking for gethostbyname in -lnsl" >&5
+      echo "$as_me:12393: checking for gethostbyname in -lnsl" >&5
 echo $ECHO_N "checking for gethostbyname in -lnsl... $ECHO_C" >&6
 if test "${ac_cv_lib_nsl_gethostbyname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 11752 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12401 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11767,43 +12416,43 @@ gethostbyname ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11771: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12420: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11774: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11777: \"$ac_try\"") >&5
+  echo "$as_me:12423: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12426: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11780: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12429: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_nsl_gethostbyname=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_nsl_gethostbyname=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:11791: result: $ac_cv_lib_nsl_gethostbyname" >&5
+echo "$as_me:12440: result: $ac_cv_lib_nsl_gethostbyname" >&5
 echo "${ECHO_T}$ac_cv_lib_nsl_gethostbyname" >&6
-if test $ac_cv_lib_nsl_gethostbyname = yes; then
+if test "$ac_cv_lib_nsl_gethostbyname" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
 fi
 
       if test $ac_cv_lib_nsl_gethostbyname = no; then
-        echo "$as_me:11798: checking for gethostbyname in -lbsd" >&5
+        echo "$as_me:12447: checking for gethostbyname in -lbsd" >&5
 echo $ECHO_N "checking for gethostbyname in -lbsd... $ECHO_C" >&6
 if test "${ac_cv_lib_bsd_gethostbyname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbsd  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 11806 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12455 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11821,30 +12470,30 @@ gethostbyname ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11825: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12474: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11828: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11831: \"$ac_try\"") >&5
+  echo "$as_me:12477: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12480: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11834: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12483: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_bsd_gethostbyname=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_bsd_gethostbyname=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:11845: result: $ac_cv_lib_bsd_gethostbyname" >&5
+echo "$as_me:12494: result: $ac_cv_lib_bsd_gethostbyname" >&5
 echo "${ECHO_T}$ac_cv_lib_bsd_gethostbyname" >&6
-if test $ac_cv_lib_bsd_gethostbyname = yes; then
+if test "$ac_cv_lib_bsd_gethostbyname" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd"
 fi
 
@@ -11858,13 +12507,13 @@ fi
     # variants that don't use the nameserver (or something).  -lsocket
     # must be given before -lnsl if both are needed.  We assume that
     # if connect needs -lnsl, so does gethostbyname.
-    echo "$as_me:11861: checking for connect" >&5
+    echo "$as_me:12510: checking for connect" >&5
 echo $ECHO_N "checking for connect... $ECHO_C" >&6
 if test "${ac_cv_func_connect+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11867 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 12516 "configure"
 #include "confdefs.h"
 #define connect autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -11894,39 +12543,39 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11898: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12547: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11901: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11904: \"$ac_try\"") >&5
+  echo "$as_me:12550: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12553: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11907: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12556: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_connect=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_connect=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:11917: result: $ac_cv_func_connect" >&5
+echo "$as_me:12566: result: $ac_cv_func_connect" >&5
 echo "${ECHO_T}$ac_cv_func_connect" >&6
 
     if test $ac_cv_func_connect = no; then
-      echo "$as_me:11921: checking for connect in -lsocket" >&5
+      echo "$as_me:12570: checking for connect in -lsocket" >&5
 echo $ECHO_N "checking for connect in -lsocket... $ECHO_C" >&6
 if test "${ac_cv_lib_socket_connect+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 11929 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12578 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -11944,43 +12593,43 @@ connect ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11948: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12597: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11951: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11954: \"$ac_try\"") >&5
+  echo "$as_me:12600: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12603: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11957: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12606: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_socket_connect=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_socket_connect=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:11968: result: $ac_cv_lib_socket_connect" >&5
+echo "$as_me:12617: result: $ac_cv_lib_socket_connect" >&5
 echo "${ECHO_T}$ac_cv_lib_socket_connect" >&6
-if test $ac_cv_lib_socket_connect = yes; then
+if test "$ac_cv_lib_socket_connect" = yes; then
   X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
 fi
 
     fi
 
     # Guillermo Gomez says -lposix is necessary on A/UX.
-    echo "$as_me:11977: checking for remove" >&5
+    echo "$as_me:12626: checking for remove" >&5
 echo $ECHO_N "checking for remove... $ECHO_C" >&6
 if test "${ac_cv_func_remove+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11983 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 12632 "configure"
 #include "confdefs.h"
 #define remove autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -12010,39 +12659,39 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12014: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12663: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12017: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12020: \"$ac_try\"") >&5
+  echo "$as_me:12666: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12669: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12023: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12672: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_remove=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_remove=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:12033: result: $ac_cv_func_remove" >&5
+echo "$as_me:12682: result: $ac_cv_func_remove" >&5
 echo "${ECHO_T}$ac_cv_func_remove" >&6
 
     if test $ac_cv_func_remove = no; then
-      echo "$as_me:12037: checking for remove in -lposix" >&5
+      echo "$as_me:12686: checking for remove in -lposix" >&5
 echo $ECHO_N "checking for remove in -lposix... $ECHO_C" >&6
 if test "${ac_cv_lib_posix_remove+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lposix  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 12045 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12694 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -12060,43 +12709,43 @@ remove ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12064: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12713: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12067: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12070: \"$ac_try\"") >&5
+  echo "$as_me:12716: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12719: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12073: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12722: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_posix_remove=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_posix_remove=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:12084: result: $ac_cv_lib_posix_remove" >&5
+echo "$as_me:12733: result: $ac_cv_lib_posix_remove" >&5
 echo "${ECHO_T}$ac_cv_lib_posix_remove" >&6
-if test $ac_cv_lib_posix_remove = yes; then
+if test "$ac_cv_lib_posix_remove" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
 fi
 
     fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
-    echo "$as_me:12093: checking for shmat" >&5
+    echo "$as_me:12742: checking for shmat" >&5
 echo $ECHO_N "checking for shmat... $ECHO_C" >&6
 if test "${ac_cv_func_shmat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12099 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 12748 "configure"
 #include "confdefs.h"
 #define shmat autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -12126,39 +12775,39 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12130: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12779: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12133: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12136: \"$ac_try\"") >&5
+  echo "$as_me:12782: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12785: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12139: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12788: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_shmat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_shmat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:12149: result: $ac_cv_func_shmat" >&5
+echo "$as_me:12798: result: $ac_cv_func_shmat" >&5
 echo "${ECHO_T}$ac_cv_func_shmat" >&6
 
     if test $ac_cv_func_shmat = no; then
-      echo "$as_me:12153: checking for shmat in -lipc" >&5
+      echo "$as_me:12802: checking for shmat in -lipc" >&5
 echo $ECHO_N "checking for shmat in -lipc... $ECHO_C" >&6
 if test "${ac_cv_lib_ipc_shmat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lipc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 12161 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12810 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -12176,30 +12825,30 @@ shmat ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12180: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12829: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12183: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12186: \"$ac_try\"") >&5
+  echo "$as_me:12832: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12835: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12189: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12838: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_ipc_shmat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_ipc_shmat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:12200: result: $ac_cv_lib_ipc_shmat" >&5
+echo "$as_me:12849: result: $ac_cv_lib_ipc_shmat" >&5
 echo "${ECHO_T}$ac_cv_lib_ipc_shmat" >&6
-if test $ac_cv_lib_ipc_shmat = yes; then
+if test "$ac_cv_lib_ipc_shmat" = yes; then
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
 fi
 
@@ -12215,15 +12864,15 @@ fi
   # These have to be linked with before -lX11, unlike the other
   # libraries we check for below, so use a different variable.
   # John Interrante, Karl Berry
-  echo "$as_me:12218: checking for IceConnectionNumber in -lICE" >&5
+  echo "$as_me:12867: checking for IceConnectionNumber in -lICE" >&5
 echo $ECHO_N "checking for IceConnectionNumber in -lICE... $ECHO_C" >&6
 if test "${ac_cv_lib_ICE_IceConnectionNumber+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 12226 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12875 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -12241,30 +12890,30 @@ IceConnectionNumber ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12245: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:12894: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12248: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12251: \"$ac_try\"") >&5
+  echo "$as_me:12897: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:12900: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12254: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12903: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_ICE_IceConnectionNumber=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_ICE_IceConnectionNumber=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:12265: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
+echo "$as_me:12914: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
 echo "${ECHO_T}$ac_cv_lib_ICE_IceConnectionNumber" >&6
-if test $ac_cv_lib_ICE_IceConnectionNumber = yes; then
+if test "$ac_cv_lib_ICE_IceConnectionNumber" = yes; then
   X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
 fi
 
@@ -12274,7 +12923,7 @@ fi
 
 cf_x_athena=${cf_x_athena:-Xaw}
 
-echo "$as_me:12277: checking if you want to link with Xaw 3d library" >&5
+echo "$as_me:12926: checking if you want to link with Xaw 3d library" >&5
 echo $ECHO_N "checking if you want to link with Xaw 3d library... $ECHO_C" >&6
 withval=
 
@@ -12285,14 +12934,14 @@ if test "${with_Xaw3d+set}" = set; then
 fi;
 if test "$withval" = yes ; then
 	cf_x_athena=Xaw3d
-	echo "$as_me:12288: result: yes" >&5
+	echo "$as_me:12937: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-	echo "$as_me:12291: result: no" >&5
+	echo "$as_me:12940: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-echo "$as_me:12295: checking if you want to link with Xaw 3d xft library" >&5
+echo "$as_me:12944: checking if you want to link with Xaw 3d xft library" >&5
 echo $ECHO_N "checking if you want to link with Xaw 3d xft library... $ECHO_C" >&6
 withval=
 
@@ -12303,14 +12952,14 @@ if test "${with_Xaw3dxft+set}" = set; then
 fi;
 if test "$withval" = yes ; then
 	cf_x_athena=Xaw3dxft
-	echo "$as_me:12306: result: yes" >&5
+	echo "$as_me:12955: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-	echo "$as_me:12309: result: no" >&5
+	echo "$as_me:12958: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-echo "$as_me:12313: checking if you want to link with neXT Athena library" >&5
+echo "$as_me:12962: checking if you want to link with neXT Athena library" >&5
 echo $ECHO_N "checking if you want to link with neXT Athena library... $ECHO_C" >&6
 withval=
 
@@ -12321,14 +12970,14 @@ if test "${with_neXtaw+set}" = set; then
 fi;
 if test "$withval" = yes ; then
 	cf_x_athena=neXtaw
-	echo "$as_me:12324: result: yes" >&5
+	echo "$as_me:12973: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-	echo "$as_me:12327: result: no" >&5
+	echo "$as_me:12976: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-echo "$as_me:12331: checking if you want to link with Athena-Plus library" >&5
+echo "$as_me:12980: checking if you want to link with Athena-Plus library" >&5
 echo $ECHO_N "checking if you want to link with Athena-Plus library... $ECHO_C" >&6
 withval=
 
@@ -12339,10 +12988,10 @@ if test "${with_XawPlus+set}" = set; then
 fi;
 if test "$withval" = yes ; then
 	cf_x_athena=XawPlus
-	echo "$as_me:12342: result: yes" >&5
+	echo "$as_me:12991: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-	echo "$as_me:12345: result: no" >&5
+	echo "$as_me:12994: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -12359,20 +13008,20 @@ if test "$PKG_CONFIG" != none ; then
 		lib${cf_x_athena}-devel
 	do
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $cf_athena_pkg; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "$cf_athena_pkg"; then
 	test -n "$verbose" && echo "	found package $cf_athena_pkg" 1>&6
 
-echo "${as_me:-configure}:12365: testing found package $cf_athena_pkg ..." 1>&5
+echo "${as_me:-configure}:13014: testing found package $cf_athena_pkg ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags $cf_athena_pkg 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   $cf_athena_pkg 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "$cf_athena_pkg" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "$cf_athena_pkg" 2>/dev/null`"
 	test -n "$verbose" && echo "	package $cf_athena_pkg CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:12371: testing package $cf_athena_pkg CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13020: testing package $cf_athena_pkg CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package $cf_athena_pkg LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:12375: testing package $cf_athena_pkg LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13024: testing package $cf_athena_pkg LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -12381,19 +13030,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -12412,7 +13061,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -12442,7 +13091,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -12503,20 +13152,20 @@ EOF
 			LIBS=`echo "$LIBS " | sed -e 's/  / /g' -e 's%-l'"$cf_trim_lib"' %%' -e 's/ $//'`
 			test -n "$verbose" && echo "	..trimmed $LIBS" 1>&6
 
-echo "${as_me:-configure}:12506: testing ..trimmed $LIBS ..." 1>&5
+echo "${as_me:-configure}:13155: testing ..trimmed $LIBS ..." 1>&5
 
 			;;
 		esac
 	done
 
-echo "$as_me:12512: checking for usable $cf_x_athena/Xmu package" >&5
+echo "$as_me:13161: checking for usable $cf_x_athena/Xmu package" >&5
 echo $ECHO_N "checking for usable $cf_x_athena/Xmu package... $ECHO_C" >&6
 if test "${cf_cv_xaw_compat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 12519 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 13168 "configure"
 #include "confdefs.h"
 
 #include <X11/Xmu/CharSet.h>
@@ -12525,33 +13174,34 @@ int
 main (void)
 {
 
-int check = XmuCompareISOLatin1("big", "small")
+int check = XmuCompareISOLatin1("big", "small");
+(void)check;
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12535: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:13185: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12538: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12541: \"$ac_try\"") >&5
+  echo "$as_me:13188: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:13191: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12544: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13194: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xaw_compat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xaw_compat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:12554: result: $cf_cv_xaw_compat" >&5
+echo "$as_me:13204: result: $cf_cv_xaw_compat" >&5
 echo "${ECHO_T}$cf_cv_xaw_compat" >&6
 
 			if test "$cf_cv_xaw_compat" = no
@@ -12563,25 +13213,25 @@ echo "${ECHO_T}$cf_cv_xaw_compat" >&6
 				(*)
 					test -n "$verbose" && echo "	work around broken package" 1>&6
 
-echo "${as_me:-configure}:12566: testing work around broken package ..." 1>&5
+echo "${as_me:-configure}:13216: testing work around broken package ..." 1>&5
 
 					cf_save_xmu="$LIBS"
 					cf_first_lib=`echo "$cf_save_xmu" | sed -e 's/^  *//' -e 's/ .*//'`
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists xmu; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "xmu"; then
 	test -n "$verbose" && echo "	found package xmu" 1>&6
 
-echo "${as_me:-configure}:12574: testing found package xmu ..." 1>&5
+echo "${as_me:-configure}:13224: testing found package xmu ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags xmu 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   xmu 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "xmu" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "xmu" 2>/dev/null`"
 	test -n "$verbose" && echo "	package xmu CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:12580: testing package xmu CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13230: testing package xmu CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package xmu LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:12584: testing package xmu LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13234: testing package xmu LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -12590,19 +13240,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -12621,7 +13271,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -12651,7 +13301,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -12701,12 +13351,12 @@ LIBS="$cf_add_libs"
 
 test -n "$verbose" && echo "	...before $LIBS" 1>&6
 
-echo "${as_me:-configure}:12704: testing ...before $LIBS ..." 1>&5
+echo "${as_me:-configure}:13354: testing ...before $LIBS ..." 1>&5
 
 LIBS=`echo "$LIBS" | sed -e "s/[ 	][ 	]*/ /g" -e "s%$cf_first_lib %$cf_first_lib $cf_pkgconfig_libs %" -e 's%  % %g'`
 test -n "$verbose" && echo "	...after  $LIBS" 1>&6
 
-echo "${as_me:-configure}:12709: testing ...after  $LIBS ..." 1>&5
+echo "${as_me:-configure}:13359: testing ...after  $LIBS ..." 1>&5
 
 else
 	cf_pkgconfig_incs=
@@ -12714,12 +13364,12 @@ else
 
 test -n "$verbose" && echo "	...before $LIBS" 1>&6
 
-echo "${as_me:-configure}:12717: testing ...before $LIBS ..." 1>&5
+echo "${as_me:-configure}:13367: testing ...before $LIBS ..." 1>&5
 
 LIBS=`echo "$LIBS" | sed -e "s/[ 	][ 	]*/ /g" -e "s%$cf_first_lib %$cf_first_lib -lXmu %" -e 's%  % %g'`
 test -n "$verbose" && echo "	...after  $LIBS" 1>&6
 
-echo "${as_me:-configure}:12722: testing ...after  $LIBS ..." 1>&5
+echo "${as_me:-configure}:13372: testing ...after  $LIBS ..." 1>&5
 
 fi
 
@@ -12730,7 +13380,7 @@ fi
 			LIBS=`echo "$LIBS " | sed -e 's/  / /g' -e 's%-l'"$cf_trim_lib"' %%' -e 's/ $//'`
 			test -n "$verbose" && echo "	..trimmed $LIBS" 1>&6
 
-echo "${as_me:-configure}:12733: testing ..trimmed $LIBS ..." 1>&5
+echo "${as_me:-configure}:13383: testing ..trimmed $LIBS ..." 1>&5
 
 			;;
 		esac
@@ -12752,20 +13402,20 @@ fi
 
 if test -z "$cf_x_athena_lib" ; then
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists Xext; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "Xext"; then
 	test -n "$verbose" && echo "	found package Xext" 1>&6
 
-echo "${as_me:-configure}:12758: testing found package Xext ..." 1>&5
+echo "${as_me:-configure}:13408: testing found package Xext ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags Xext 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   Xext 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "Xext" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "Xext" 2>/dev/null`"
 	test -n "$verbose" && echo "	package Xext CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:12764: testing package Xext CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13414: testing package Xext CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package Xext LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:12768: testing package Xext LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13418: testing package Xext LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -12774,19 +13424,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -12805,7 +13455,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -12835,7 +13485,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -12886,15 +13536,15 @@ else
 	cf_pkgconfig_incs=
 	cf_pkgconfig_libs=
 
-	echo "$as_me:12889: checking for XextCreateExtension in -lXext" >&5
+	echo "$as_me:13539: checking for XextCreateExtension in -lXext" >&5
 echo $ECHO_N "checking for XextCreateExtension in -lXext... $ECHO_C" >&6
 if test "${ac_cv_lib_Xext_XextCreateExtension+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXext  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 12897 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 13547 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -12912,30 +13562,30 @@ XextCreateExtension ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12916: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:13566: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12919: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12922: \"$ac_try\"") >&5
+  echo "$as_me:13569: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:13572: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12925: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13575: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_Xext_XextCreateExtension=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_Xext_XextCreateExtension=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:12936: result: $ac_cv_lib_Xext_XextCreateExtension" >&5
+echo "$as_me:13586: result: $ac_cv_lib_Xext_XextCreateExtension" >&5
 echo "${ECHO_T}$ac_cv_lib_Xext_XextCreateExtension" >&6
-if test $ac_cv_lib_Xext_XextCreateExtension = yes; then
+if test "$ac_cv_lib_Xext_XextCreateExtension" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -12966,20 +13616,20 @@ fi
 if test -z "${X_CFLAGS}${X_PRE_LIBS}${X_LIBS}${X_EXTRA_LIBS}"
 then
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists x11; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "x11"; then
 	test -n "$verbose" && echo "	found package x11" 1>&6
 
-echo "${as_me:-configure}:12972: testing found package x11 ..." 1>&5
+echo "${as_me:-configure}:13622: testing found package x11 ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags x11 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   x11 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "x11" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "x11" 2>/dev/null`"
 	test -n "$verbose" && echo "	package x11 CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:12978: testing package x11 CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13628: testing package x11 CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package x11 LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:12982: testing package x11 LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13632: testing package x11 LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -12988,19 +13638,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13019,7 +13669,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13049,7 +13699,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13099,24 +13749,24 @@ LIBS="$cf_add_libs"
 else
 	cf_pkgconfig_incs=
 	cf_pkgconfig_libs=
-	{ echo "$as_me:13102: WARNING: unable to find X11 library" >&5
+	{ echo "$as_me:13752: WARNING: unable to find X11 library" >&5
 echo "$as_me: WARNING: unable to find X11 library" >&2;}
 fi
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists ice; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "ice"; then
 	test -n "$verbose" && echo "	found package ice" 1>&6
 
-echo "${as_me:-configure}:13109: testing found package ice ..." 1>&5
+echo "${as_me:-configure}:13759: testing found package ice ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags ice 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   ice 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "ice" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "ice" 2>/dev/null`"
 	test -n "$verbose" && echo "	package ice CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13115: testing package ice CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13765: testing package ice CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package ice LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13119: testing package ice LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13769: testing package ice LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13125,19 +13775,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13156,7 +13806,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13186,7 +13836,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13236,24 +13886,24 @@ LIBS="$cf_add_libs"
 else
 	cf_pkgconfig_incs=
 	cf_pkgconfig_libs=
-	{ echo "$as_me:13239: WARNING: unable to find ICE library" >&5
+	{ echo "$as_me:13889: WARNING: unable to find ICE library" >&5
 echo "$as_me: WARNING: unable to find ICE library" >&2;}
 fi
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists sm; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "sm"; then
 	test -n "$verbose" && echo "	found package sm" 1>&6
 
-echo "${as_me:-configure}:13246: testing found package sm ..." 1>&5
+echo "${as_me:-configure}:13896: testing found package sm ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags sm 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   sm 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "sm" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "sm" 2>/dev/null`"
 	test -n "$verbose" && echo "	package sm CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13252: testing package sm CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:13902: testing package sm CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package sm LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13256: testing package sm LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:13906: testing package sm LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13262,19 +13912,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13293,7 +13943,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13323,7 +13973,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13373,24 +14023,24 @@ LIBS="$cf_add_libs"
 else
 	cf_pkgconfig_incs=
 	cf_pkgconfig_libs=
-	{ echo "$as_me:13376: WARNING: unable to find SM library" >&5
+	{ echo "$as_me:14026: WARNING: unable to find SM library" >&5
 echo "$as_me: WARNING: unable to find SM library" >&2;}
 fi
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists xt; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "xt"; then
 	test -n "$verbose" && echo "	found package xt" 1>&6
 
-echo "${as_me:-configure}:13383: testing found package xt ..." 1>&5
+echo "${as_me:-configure}:14033: testing found package xt ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags xt 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   xt 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "xt" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "xt" 2>/dev/null`"
 	test -n "$verbose" && echo "	package xt CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13389: testing package xt CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:14039: testing package xt CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package xt LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13393: testing package xt LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:14043: testing package xt LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13399,19 +14049,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13430,7 +14080,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13460,7 +14110,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13510,28 +14160,30 @@ LIBS="$cf_add_libs"
 else
 	cf_pkgconfig_incs=
 	cf_pkgconfig_libs=
-	{ echo "$as_me:13513: WARNING: unable to find Xt library" >&5
+	{ echo "$as_me:14163: WARNING: unable to find Xt library" >&5
 echo "$as_me: WARNING: unable to find Xt library" >&2;}
 fi
 
+else
+	LIBS="$X_PRE_LIBS $LIBS $X_EXTRA_LIBS"
 fi
 
 cf_have_X_LIBS=no
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists xt; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "xt"; then
 	test -n "$verbose" && echo "	found package xt" 1>&6
 
-echo "${as_me:-configure}:13524: testing found package xt ..." 1>&5
+echo "${as_me:-configure}:14176: testing found package xt ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags xt 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   xt 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "xt" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "xt" 2>/dev/null`"
 	test -n "$verbose" && echo "	package xt CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13530: testing package xt CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:14182: testing package xt CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package xt LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13534: testing package xt LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:14186: testing package xt LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13540,19 +14192,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13571,7 +14223,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13601,7 +14253,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13652,14 +14304,14 @@ LIBS="$cf_add_libs"
 		;;
 	(*)
 # we have an "xt" package, but it may omit Xt's dependency on X11
-echo "$as_me:13655: checking for usable X dependency" >&5
+echo "$as_me:14307: checking for usable X dependency" >&5
 echo $ECHO_N "checking for usable X dependency... $ECHO_C" >&6
 if test "${cf_cv_xt_x11_compat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 13662 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 14314 "configure"
 #include "confdefs.h"
 
 #include <X11/Xlib.h>
@@ -13677,50 +14329,50 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:13681: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:14333: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13684: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:13687: \"$ac_try\"") >&5
+  echo "$as_me:14336: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:14339: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13690: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14342: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xt_x11_compat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xt_x11_compat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:13700: result: $cf_cv_xt_x11_compat" >&5
+echo "$as_me:14352: result: $cf_cv_xt_x11_compat" >&5
 echo "${ECHO_T}$cf_cv_xt_x11_compat" >&6
 		if test "$cf_cv_xt_x11_compat" = no
 		then
 			test -n "$verbose" && echo "	work around broken X11 dependency" 1>&6
 
-echo "${as_me:-configure}:13706: testing work around broken X11 dependency ..." 1>&5
+echo "${as_me:-configure}:14358: testing work around broken X11 dependency ..." 1>&5
 
 			# 2010/11/19 - good enough until a working Xt on Xcb is delivered.
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists x11; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "x11"; then
 	test -n "$verbose" && echo "	found package x11" 1>&6
 
-echo "${as_me:-configure}:13713: testing found package x11 ..." 1>&5
+echo "${as_me:-configure}:14365: testing found package x11 ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags x11 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   x11 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "x11" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "x11" 2>/dev/null`"
 	test -n "$verbose" && echo "	package x11 CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13719: testing package x11 CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:14371: testing package x11 CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package x11 LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13723: testing package x11 LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:14375: testing package x11 LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13729,19 +14381,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13760,7 +14412,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13790,7 +14442,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -13843,12 +14495,12 @@ else
 
 test -n "$verbose" && echo "	...before $LIBS" 1>&6
 
-echo "${as_me:-configure}:13846: testing ...before $LIBS ..." 1>&5
+echo "${as_me:-configure}:14498: testing ...before $LIBS ..." 1>&5
 
 LIBS=`echo "$LIBS" | sed -e "s/[ 	][ 	]*/ /g" -e "s%-lXt %-lXt -lX11 %" -e 's%  % %g'`
 test -n "$verbose" && echo "	...after  $LIBS" 1>&6
 
-echo "${as_me:-configure}:13851: testing ...after  $LIBS ..." 1>&5
+echo "${as_me:-configure}:14503: testing ...after  $LIBS ..." 1>&5
 
 fi
 
@@ -13856,14 +14508,14 @@ fi
 		;;
 	esac
 
-echo "$as_me:13859: checking for usable X Toolkit package" >&5
+echo "$as_me:14511: checking for usable X Toolkit package" >&5
 echo $ECHO_N "checking for usable X Toolkit package... $ECHO_C" >&6
 if test "${cf_cv_xt_ice_compat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 13866 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 14518 "configure"
 #include "confdefs.h"
 
 #include <X11/Shell.h>
@@ -13871,33 +14523,33 @@ cat >conftest.$ac_ext <<_ACEOF
 int
 main (void)
 {
-int num = IceConnectionNumber(0)
+int num = IceConnectionNumber(0); (void) num
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:13881: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:14533: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13884: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:13887: \"$ac_try\"") >&5
+  echo "$as_me:14536: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:14539: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13890: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14542: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xt_ice_compat=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xt_ice_compat=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:13900: result: $cf_cv_xt_ice_compat" >&5
+echo "$as_me:14552: result: $cf_cv_xt_ice_compat" >&5
 echo "${ECHO_T}$cf_cv_xt_ice_compat" >&6
 
 	if test "$cf_cv_xt_ice_compat" = no
@@ -13911,22 +14563,22 @@ echo "${ECHO_T}$cf_cv_xt_ice_compat" >&6
 			(*)
 				test -n "$verbose" && echo "	work around broken ICE dependency" 1>&6
 
-echo "${as_me:-configure}:13914: testing work around broken ICE dependency ..." 1>&5
+echo "${as_me:-configure}:14566: testing work around broken ICE dependency ..." 1>&5
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists ice; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "ice"; then
 	test -n "$verbose" && echo "	found package ice" 1>&6
 
-echo "${as_me:-configure}:13919: testing found package ice ..." 1>&5
+echo "${as_me:-configure}:14571: testing found package ice ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags ice 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   ice 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "ice" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "ice" 2>/dev/null`"
 	test -n "$verbose" && echo "	package ice CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:13925: testing package ice CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:14577: testing package ice CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package ice LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:13929: testing package ice LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:14581: testing package ice LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -13935,19 +14587,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -13966,7 +14618,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -13996,7 +14648,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -14042,20 +14694,20 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists sm; then
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "sm"; then
 	test -n "$verbose" && echo "	found package sm" 1>&6
 
-echo "${as_me:-configure}:14048: testing found package sm ..." 1>&5
+echo "${as_me:-configure}:14700: testing found package sm ..." 1>&5
 
-	cf_pkgconfig_incs="`$PKG_CONFIG --cflags sm 2>/dev/null`"
-	cf_pkgconfig_libs="`$PKG_CONFIG --libs   sm 2>/dev/null`"
+	cf_pkgconfig_incs="`$PKG_CONFIG --cflags "sm" 2>/dev/null`"
+	cf_pkgconfig_libs="`$PKG_CONFIG --libs   "sm" 2>/dev/null`"
 	test -n "$verbose" && echo "	package sm CFLAGS: $cf_pkgconfig_incs" 1>&6
 
-echo "${as_me:-configure}:14054: testing package sm CFLAGS: $cf_pkgconfig_incs ..." 1>&5
+echo "${as_me:-configure}:14706: testing package sm CFLAGS: $cf_pkgconfig_incs ..." 1>&5
 
 	test -n "$verbose" && echo "	package sm LIBS: $cf_pkgconfig_libs" 1>&6
 
-echo "${as_me:-configure}:14058: testing package sm LIBS: $cf_pkgconfig_libs ..." 1>&5
+echo "${as_me:-configure}:14710: testing package sm LIBS: $cf_pkgconfig_libs ..." 1>&5
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -14064,19 +14716,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_pkgconfig_incs
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -14095,7 +14747,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -14125,7 +14777,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -14184,12 +14836,12 @@ else
 
 test -n "$verbose" && echo "	...before $LIBS" 1>&6
 
-echo "${as_me:-configure}:14187: testing ...before $LIBS ..." 1>&5
+echo "${as_me:-configure}:14839: testing ...before $LIBS ..." 1>&5
 
 LIBS=`echo "$LIBS" | sed -e "s/[ 	][ 	]*/ /g" -e "s%-lXt %-lXt $X_PRE_LIBS %" -e 's%  % %g'`
 test -n "$verbose" && echo "	...after  $LIBS" 1>&6
 
-echo "${as_me:-configure}:14192: testing ...after  $LIBS ..." 1>&5
+echo "${as_me:-configure}:14844: testing ...after  $LIBS ..." 1>&5
 
 fi
 
@@ -14209,7 +14861,7 @@ else
 
 test -n "$verbose" && echo "	checking additions to CFLAGS" 1>&6
 
-echo "${as_me:-configure}:14212: testing checking additions to CFLAGS ..." 1>&5
+echo "${as_me:-configure}:14864: testing checking additions to CFLAGS ..." 1>&5
 
 cf_check_cflags="$CFLAGS"
 cf_check_cppflags="$CPPFLAGS"
@@ -14221,19 +14873,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $X_CFLAGS
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -14252,7 +14904,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -14282,7 +14934,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -14294,7 +14946,7 @@ done
 if test -n "$cf_new_cflags" ; then
 	test -n "$verbose" && echo "	add to \$CFLAGS $cf_new_cflags" 1>&6
 
-echo "${as_me:-configure}:14297: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+echo "${as_me:-configure}:14949: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
 
 	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
 	CFLAGS="${CFLAGS}$cf_new_cflags"
@@ -14304,7 +14956,7 @@ fi
 if test -n "$cf_new_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$CPPFLAGS $cf_new_cppflags" 1>&6
 
-echo "${as_me:-configure}:14307: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+echo "${as_me:-configure}:14959: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
@@ -14314,7 +14966,7 @@ fi
 if test -n "$cf_new_extra_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags" 1>&6
 
-echo "${as_me:-configure}:14317: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+echo "${as_me:-configure}:14969: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
 
 	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
 	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
@@ -14322,8 +14974,8 @@ echo "${as_me:-configure}:14317: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_c
 fi
 
 if test "x$cf_check_cflags" != "x$CFLAGS" ; then
-cat >conftest.$ac_ext <<_ACEOF
-#line 14326 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 14978 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -14334,44 +14986,44 @@ printf("Hello world");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14338: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:14990: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14341: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14344: \"$ac_try\"") >&5
+  echo "$as_me:14993: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:14996: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14347: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14999: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 test -n "$verbose" && echo "	test-compile failed.  Undoing change to \$CFLAGS" 1>&6
 
-echo "${as_me:-configure}:14355: testing test-compile failed.  Undoing change to \$CFLAGS ..." 1>&5
+echo "${as_me:-configure}:15007: testing test-compile failed.  Undoing change to \$CFLAGS ..." 1>&5
 
 	 if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then
 		 test -n "$verbose" && echo "	but keeping change to \$CPPFLAGS" 1>&6
 
-echo "${as_me:-configure}:14360: testing but keeping change to \$CPPFLAGS ..." 1>&5
+echo "${as_me:-configure}:15012: testing but keeping change to \$CPPFLAGS ..." 1>&5
 
 	 fi
-	 CFLAGS="$cf_check_flags"
+	 CFLAGS="$cf_check_cflags"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
-	echo "$as_me:14368: checking for XOpenDisplay" >&5
+	echo "$as_me:15020: checking for XOpenDisplay" >&5
 echo $ECHO_N "checking for XOpenDisplay... $ECHO_C" >&6
 if test "${ac_cv_func_XOpenDisplay+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 14374 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 15026 "configure"
 #include "confdefs.h"
 #define XOpenDisplay autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -14401,41 +15053,41 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14405: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15057: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14408: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14411: \"$ac_try\"") >&5
+  echo "$as_me:15060: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15063: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14414: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15066: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_XOpenDisplay=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_XOpenDisplay=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:14424: result: $ac_cv_func_XOpenDisplay" >&5
+echo "$as_me:15076: result: $ac_cv_func_XOpenDisplay" >&5
 echo "${ECHO_T}$ac_cv_func_XOpenDisplay" >&6
-if test $ac_cv_func_XOpenDisplay = yes; then
+if test "$ac_cv_func_XOpenDisplay" = yes; then
   :
 else
 
-	echo "$as_me:14430: checking for XOpenDisplay in -lX11" >&5
+	echo "$as_me:15082: checking for XOpenDisplay in -lX11" >&5
 echo $ECHO_N "checking for XOpenDisplay in -lX11... $ECHO_C" >&6
 if test "${ac_cv_lib_X11_XOpenDisplay+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lX11 $X_PRE_LIBS $LIBS $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 14438 "configure"
+LIBS="-lX11  $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15090 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -14453,30 +15105,30 @@ XOpenDisplay ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14457: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15109: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14460: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14463: \"$ac_try\"") >&5
+  echo "$as_me:15112: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15115: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14466: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15118: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_X11_XOpenDisplay=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_X11_XOpenDisplay=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:14477: result: $ac_cv_lib_X11_XOpenDisplay" >&5
+echo "$as_me:15129: result: $ac_cv_lib_X11_XOpenDisplay" >&5
 echo "${ECHO_T}$ac_cv_lib_X11_XOpenDisplay" >&6
-if test $ac_cv_lib_X11_XOpenDisplay = yes; then
+if test "$ac_cv_lib_X11_XOpenDisplay" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -14498,13 +15150,13 @@ fi
 
 fi
 
-	echo "$as_me:14501: checking for XtAppInitialize" >&5
+	echo "$as_me:15153: checking for XtAppInitialize" >&5
 echo $ECHO_N "checking for XtAppInitialize... $ECHO_C" >&6
 if test "${ac_cv_func_XtAppInitialize+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 14507 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 15159 "configure"
 #include "confdefs.h"
 #define XtAppInitialize autoconf_temporary
 #include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
@@ -14534,41 +15186,41 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14538: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15190: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14541: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14544: \"$ac_try\"") >&5
+  echo "$as_me:15193: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15196: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14547: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15199: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_XtAppInitialize=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_XtAppInitialize=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:14557: result: $ac_cv_func_XtAppInitialize" >&5
+echo "$as_me:15209: result: $ac_cv_func_XtAppInitialize" >&5
 echo "${ECHO_T}$ac_cv_func_XtAppInitialize" >&6
-if test $ac_cv_func_XtAppInitialize = yes; then
+if test "$ac_cv_func_XtAppInitialize" = yes; then
   :
 else
 
-	echo "$as_me:14563: checking for XtAppInitialize in -lXt" >&5
+	echo "$as_me:15215: checking for XtAppInitialize in -lXt" >&5
 echo $ECHO_N "checking for XtAppInitialize in -lXt... $ECHO_C" >&6
 if test "${ac_cv_lib_Xt_XtAppInitialize+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 14571 "configure"
+LIBS="-lXt  $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15223 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -14586,45 +15238,45 @@ XtAppInitialize ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14590: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15242: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14593: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14596: \"$ac_try\"") >&5
+  echo "$as_me:15245: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15248: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14599: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15251: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_Xt_XtAppInitialize=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_Xt_XtAppInitialize=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:14610: result: $ac_cv_lib_Xt_XtAppInitialize" >&5
+echo "$as_me:15262: result: $ac_cv_lib_Xt_XtAppInitialize" >&5
 echo "${ECHO_T}$ac_cv_lib_Xt_XtAppInitialize" >&6
-if test $ac_cv_lib_Xt_XtAppInitialize = yes; then
+if test "$ac_cv_lib_Xt_XtAppInitialize" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_LIBXT 1
 EOF
 
 		 cf_have_X_LIBS=Xt
-		 LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"
+		 LIBS="-lXt $LIBS"
 fi
 
 fi
 
 fi
 
-if test $cf_have_X_LIBS = no ; then
-	{ echo "$as_me:14627: WARNING: Unable to successfully link X Toolkit library (-lXt) with
+if test "$cf_have_X_LIBS" = no ; then
+	{ echo "$as_me:15279: WARNING: Unable to successfully link X Toolkit library (-lXt) with
 test program.  You will have to check and add the proper libraries by hand
 to makefile." >&5
 echo "$as_me: WARNING: Unable to successfully link X Toolkit library (-lXt) with
@@ -14660,19 +15312,19 @@ do
 done
 
 		cf_test=X11/$cf_x_athena_root/SimpleMenu.h
-		if test $cf_path != default ; then
+		if test "$cf_path" != default ; then
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}-I$cf_path/include"
 
-			echo "$as_me:14668: checking for $cf_test in $cf_path" >&5
+			echo "$as_me:15320: checking for $cf_test in $cf_path" >&5
 echo $ECHO_N "checking for $cf_test in $cf_path... $ECHO_C" >&6
 		else
-			echo "$as_me:14671: checking for $cf_test" >&5
+			echo "$as_me:15323: checking for $cf_test" >&5
 echo $ECHO_N "checking for $cf_test... $ECHO_C" >&6
 		fi
-		cat >conftest.$ac_ext <<_ACEOF
-#line 14675 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 15327 "configure"
 #include "confdefs.h"
 
 #include <X11/Intrinsic.h>
@@ -14685,26 +15337,26 @@ main (void)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:14689: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:15341: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:14692: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:14695: \"$ac_try\"") >&5
+  echo "$as_me:15344: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:15347: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14698: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15350: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_result=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-		echo "$as_me:14707: result: $cf_result" >&5
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+		echo "$as_me:15359: result: $cf_result" >&5
 echo "${ECHO_T}$cf_result" >&6
 
 LIBS="$cf_save_LIBS_CF_X_ATHENA_CPPFLAGS"
@@ -14713,14 +15365,14 @@ CPPFLAGS="$cf_save_CPPFLAGS_CF_X_ATHENA_CPPFLAGS"
 
 		if test "$cf_result" = yes ; then
 			test "$cf_path"  = default && cf_x_athena_inc=default
-			test "$cf_path" != default && cf_x_athena_inc=$cf_path/include
+			test "$cf_path" != default && cf_x_athena_inc="$cf_path/include"
 			break
 		fi
 	fi
 done
 
 if test -z "$cf_x_athena_inc" ; then
-	{ echo "$as_me:14723: WARNING: Unable to find Athena header files" >&5
+	{ echo "$as_me:15375: WARNING: Unable to find Athena header files" >&5
 echo "$as_me: WARNING: Unable to find Athena header files" >&2;}
 elif test "$cf_x_athena_inc" != default ; then
 
@@ -14785,10 +15437,10 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-		echo "$as_me:14788: checking for $cf_test in $cf_libs" >&5
+		echo "$as_me:15440: checking for $cf_test in $cf_libs" >&5
 echo $ECHO_N "checking for $cf_test in $cf_libs... $ECHO_C" >&6
-		cat >conftest.$ac_ext <<_ACEOF
-#line 14791 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 15443 "configure"
 #include "confdefs.h"
 
 #include <X11/Intrinsic.h>
@@ -14803,26 +15455,26 @@ $cf_test((XtAppContext) 0)
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:14807: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15459: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:14810: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:14813: \"$ac_try\"") >&5
+  echo "$as_me:15462: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15465: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:14816: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15468: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_result=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_result=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:14825: result: $cf_result" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:15477: result: $cf_result" >&5
 echo "${ECHO_T}$cf_result" >&6
 
 LIBS="$cf_save_LIBS_CF_X_ATHENA_LIBS"
@@ -14839,7 +15491,7 @@ CPPFLAGS="$cf_save_CPPFLAGS_CF_X_ATHENA_LIBS"
 done
 
 if test -z "$cf_x_athena_lib" ; then
-	{ { echo "$as_me:14842: error: Unable to successfully link Athena library (-l$cf_x_athena_root) with test program" >&5
+	{ { echo "$as_me:15494: error: Unable to successfully link Athena library (-l$cf_x_athena_root) with test program" >&5
 echo "$as_me: error: Unable to successfully link Athena library (-l$cf_x_athena_root) with test program" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -14873,7 +15525,7 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:14876: checking for $ac_word" >&5
+echo "$as_me:15528: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_XCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -14888,7 +15540,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_XCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:14891: found $ac_dir/$ac_word" >&5
+echo "$as_me:15543: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -14896,10 +15548,10 @@ fi
 fi
 XCURSES_CONFIG=$ac_cv_prog_XCURSES_CONFIG
 if test -n "$XCURSES_CONFIG"; then
-  echo "$as_me:14899: result: $XCURSES_CONFIG" >&5
+  echo "$as_me:15551: result: $XCURSES_CONFIG" >&5
 echo "${ECHO_T}$XCURSES_CONFIG" >&6
 else
-  echo "$as_me:14902: result: no" >&5
+  echo "$as_me:15554: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -14912,7 +15564,7 @@ if test -z "$XCURSES_CONFIG"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:14915: checking for $ac_word" >&5
+echo "$as_me:15567: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_XCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -14927,7 +15579,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_XCURSES_CONFIG="$ac_prog"
-echo "$as_me:14930: found $ac_dir/$ac_word" >&5
+echo "$as_me:15582: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -14935,10 +15587,10 @@ fi
 fi
 ac_ct_XCURSES_CONFIG=$ac_cv_prog_ac_ct_XCURSES_CONFIG
 if test -n "$ac_ct_XCURSES_CONFIG"; then
-  echo "$as_me:14938: result: $ac_ct_XCURSES_CONFIG" >&5
+  echo "$as_me:15590: result: $ac_ct_XCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_XCURSES_CONFIG" >&6
 else
-  echo "$as_me:14941: result: no" >&5
+  echo "$as_me:15593: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -14958,19 +15610,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in `$XCURSES_CONFIG --cflags`
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -14989,7 +15641,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -15019,7 +15671,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -15073,7 +15725,7 @@ LDFLAGS="$LDFLAGS $X_LIBS"
 
 test -n "$verbose" && echo "	checking additions to CFLAGS" 1>&6
 
-echo "${as_me:-configure}:15076: testing checking additions to CFLAGS ..." 1>&5
+echo "${as_me:-configure}:15728: testing checking additions to CFLAGS ..." 1>&5
 
 cf_check_cflags="$CFLAGS"
 cf_check_cppflags="$CPPFLAGS"
@@ -15085,19 +15737,19 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $X_CFLAGS
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -15116,7 +15768,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -15146,7 +15798,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -15158,7 +15810,7 @@ done
 if test -n "$cf_new_cflags" ; then
 	test -n "$verbose" && echo "	add to \$CFLAGS $cf_new_cflags" 1>&6
 
-echo "${as_me:-configure}:15161: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+echo "${as_me:-configure}:15813: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
 
 	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
 	CFLAGS="${CFLAGS}$cf_new_cflags"
@@ -15168,7 +15820,7 @@ fi
 if test -n "$cf_new_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$CPPFLAGS $cf_new_cppflags" 1>&6
 
-echo "${as_me:-configure}:15171: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+echo "${as_me:-configure}:15823: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
 
 	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
 	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
@@ -15178,7 +15830,7 @@ fi
 if test -n "$cf_new_extra_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags" 1>&6
 
-echo "${as_me:-configure}:15181: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+echo "${as_me:-configure}:15833: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
 
 	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
 	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
@@ -15186,8 +15838,8 @@ echo "${as_me:-configure}:15181: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_c
 fi
 
 if test "x$cf_check_cflags" != "x$CFLAGS" ; then
-cat >conftest.$ac_ext <<_ACEOF
-#line 15190 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15842 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
@@ -15198,46 +15850,46 @@ printf("Hello world");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:15202: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15854: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:15205: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:15208: \"$ac_try\"") >&5
+  echo "$as_me:15857: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15860: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:15211: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15863: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 test -n "$verbose" && echo "	test-compile failed.  Undoing change to \$CFLAGS" 1>&6
 
-echo "${as_me:-configure}:15219: testing test-compile failed.  Undoing change to \$CFLAGS ..." 1>&5
+echo "${as_me:-configure}:15871: testing test-compile failed.  Undoing change to \$CFLAGS ..." 1>&5
 
 	 if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then
 		 test -n "$verbose" && echo "	but keeping change to \$CPPFLAGS" 1>&6
 
-echo "${as_me:-configure}:15224: testing but keeping change to \$CPPFLAGS ..." 1>&5
+echo "${as_me:-configure}:15876: testing but keeping change to \$CPPFLAGS ..." 1>&5
 
 	 fi
-	 CFLAGS="$cf_check_flags"
+	 CFLAGS="$cf_check_cflags"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
-echo "$as_me:15232: checking for XOpenDisplay in -lX11" >&5
+echo "$as_me:15884: checking for XOpenDisplay in -lX11" >&5
 echo $ECHO_N "checking for XOpenDisplay in -lX11... $ECHO_C" >&6
 if test "${ac_cv_lib_X11_XOpenDisplay+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lX11 $X_PRE_LIBS $LIBS $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 15240 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15892 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -15255,30 +15907,30 @@ XOpenDisplay ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:15259: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15911: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:15262: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:15265: \"$ac_try\"") >&5
+  echo "$as_me:15914: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15917: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:15268: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15920: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_X11_XOpenDisplay=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_X11_XOpenDisplay=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:15279: result: $ac_cv_lib_X11_XOpenDisplay" >&5
+echo "$as_me:15931: result: $ac_cv_lib_X11_XOpenDisplay" >&5
 echo "${ECHO_T}$ac_cv_lib_X11_XOpenDisplay" >&6
-if test $ac_cv_lib_X11_XOpenDisplay = yes; then
+if test "$ac_cv_lib_X11_XOpenDisplay" = yes; then
 
 cf_add_libs="$LIBS"
 # reverse order
@@ -15298,7 +15950,7 @@ LIBS="$cf_add_libs"
 
 fi
 
-echo "$as_me:15301: checking for XCurses library" >&5
+echo "$as_me:15953: checking for XCurses library" >&5
 echo $ECHO_N "checking for XCurses library... $ECHO_C" >&6
 if test "${cf_cv_lib_XCurses+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -15320,8 +15972,8 @@ for cf_add_1lib in $cf_add_0lib; do
 done
 LIBS="$cf_add_libs"
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 15324 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15976 "configure"
 #include "confdefs.h"
 
 #include <xcurses.h>
@@ -15335,33 +15987,33 @@ XCursesExit();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:15339: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15991: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:15342: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:15345: \"$ac_try\"") >&5
+  echo "$as_me:15994: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15997: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:15348: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16000: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_lib_XCurses=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_lib_XCurses=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:15359: result: $cf_cv_lib_XCurses" >&5
+echo "$as_me:16011: result: $cf_cv_lib_XCurses" >&5
 echo "${ECHO_T}$cf_cv_lib_XCurses" >&6
 
 fi
 
-if test $cf_cv_lib_XCurses = yes ; then
+if test "$cf_cv_lib_XCurses" = yes ; then
 
 cat >>confdefs.h <<\EOF
 #define UNIX 1
@@ -15371,24 +16023,24 @@ cat >>confdefs.h <<\EOF
 #define XCURSES 1
 EOF
 
-	echo "$as_me:15374: checking for xcurses.h" >&5
+	echo "$as_me:16026: checking for xcurses.h" >&5
 echo $ECHO_N "checking for xcurses.h... $ECHO_C" >&6
 if test "${ac_cv_header_xcurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 15380 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16032 "configure"
 #include "confdefs.h"
 #include <xcurses.h>
 _ACEOF
-if { (eval echo "$as_me:15384: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:16036: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:15390: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:16042: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -15401,14 +16053,14 @@ if test -z "$ac_cpp_err"; then
   ac_cv_header_xcurses_h=yes
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   ac_cv_header_xcurses_h=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:15409: result: $ac_cv_header_xcurses_h" >&5
+echo "$as_me:16061: result: $ac_cv_header_xcurses_h" >&5
 echo "${ECHO_T}$ac_cv_header_xcurses_h" >&6
-if test $ac_cv_header_xcurses_h = yes; then
+if test "$ac_cv_header_xcurses_h" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_XCURSES 1
@@ -15417,14 +16069,14 @@ EOF
 fi
 
 else
-	{ { echo "$as_me:15420: error: Cannot link with XCurses" >&5
+	{ { echo "$as_me:16072: error: Cannot link with XCurses" >&5
 echo "$as_me: error: Cannot link with XCurses" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 	;;
 (*)
-	{ { echo "$as_me:15427: error: unexpected screen-value: $cf_cv_screen" >&5
+	{ { echo "$as_me:16079: error: unexpected screen-value: $cf_cv_screen" >&5
 echo "$as_me: error: unexpected screen-value: $cf_cv_screen" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -15432,15 +16084,15 @@ esac
 
 : ${cf_nculib_root:=$cf_cv_screen}
 as_ac_Lib=`echo "ac_cv_lib_$cf_nculib_root''__nc_init_pthreads" | $as_tr_sh`
-echo "$as_me:15435: checking for _nc_init_pthreads in -l$cf_nculib_root" >&5
+echo "$as_me:16087: checking for _nc_init_pthreads in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for _nc_init_pthreads in -l$cf_nculib_root... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Lib+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-l$cf_nculib_root  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 15443 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 16095 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -15458,30 +16110,30 @@ _nc_init_pthreads ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:15462: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:16114: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:15465: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:15468: \"$ac_try\"") >&5
+  echo "$as_me:16117: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:16120: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:15471: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16123: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   eval "$as_ac_Lib=yes"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 eval "$as_ac_Lib=no"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:15482: result: `eval echo '${'$as_ac_Lib'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Lib'}'`" >&6
-if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+echo "$as_me:16134: result: `eval echo '${'"$as_ac_Lib"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Lib"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Lib"'}'`" = yes; then
   cf_cv_ncurses_pthreads=yes
 else
   cf_cv_ncurses_pthreads=no
@@ -15514,7 +16166,7 @@ case $cf_cv_screen in
 	;;
 esac
 
-echo "$as_me:15517: checking for X11 rgb file" >&5
+echo "$as_me:16169: checking for X11 rgb file" >&5
 echo $ECHO_N "checking for X11 rgb file... $ECHO_C" >&6
 
 # Check whether --with-x11-rgb or --without-x11-rgb was given.
@@ -15566,19 +16218,19 @@ case ".$cf_path" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval cf_path="$cf_path"
 	case ".$cf_path" in
 	(.NONE/*)
-		cf_path=`echo $cf_path | sed -e s%NONE%$cf_path_syntax%`
+		cf_path=`echo "$cf_path" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	cf_path=`echo $cf_path | sed -e s%NONE%$cf_path_syntax%`
+	cf_path=`echo "$cf_path" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:15581: error: expected a pathname, not \"$cf_path\"" >&5
+	{ { echo "$as_me:16233: error: expected a pathname, not \"$cf_path\"" >&5
 echo "$as_me: error: expected a pathname, not \"$cf_path\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -15586,7 +16238,7 @@ esac
 
 fi
 
-echo "$as_me:15589: result: $RGB_PATH" >&5
+echo "$as_me:16241: result: $RGB_PATH" >&5
 echo "${ECHO_T}$RGB_PATH" >&6
 
 cat >>confdefs.h <<EOF
@@ -15627,7 +16279,76 @@ case $cf_cv_screen in
 	;;
 esac
 
-echo "$as_me:15630: checking if you want to check for panel functions" >&5
+echo "$as_me:16282: checking for desired basename for form library" >&5
+echo $ECHO_N "checking for desired basename for form library... $ECHO_C" >&6
+
+# Check whether --with-form-libname or --without-form-libname was given.
+if test "${with_form_libname+set}" = set; then
+  withval="$with_form_libname"
+  with_lib_basename=$withval
+else
+  with_lib_basename=form
+fi;
+FORM_NAME="$with_lib_basename"
+
+case "x$FORM_NAME" in
+(x|xno|xnone|xyes)
+	FORM_NAME=form
+	;;
+(*)
+	;;
+esac
+
+echo "$as_me:16302: result: $FORM_NAME" >&5
+echo "${ECHO_T}$FORM_NAME" >&6
+
+echo "$as_me:16305: checking for desired basename for menu library" >&5
+echo $ECHO_N "checking for desired basename for menu library... $ECHO_C" >&6
+
+# Check whether --with-menu-libname or --without-menu-libname was given.
+if test "${with_menu_libname+set}" = set; then
+  withval="$with_menu_libname"
+  with_lib_basename=$withval
+else
+  with_lib_basename=menu
+fi;
+MENU_NAME="$with_lib_basename"
+
+case "x$MENU_NAME" in
+(x|xno|xnone|xyes)
+	MENU_NAME=menu
+	;;
+(*)
+	;;
+esac
+
+echo "$as_me:16325: result: $MENU_NAME" >&5
+echo "${ECHO_T}$MENU_NAME" >&6
+
+echo "$as_me:16328: checking for desired basename for panel library" >&5
+echo $ECHO_N "checking for desired basename for panel library... $ECHO_C" >&6
+
+# Check whether --with-panel-libname or --without-panel-libname was given.
+if test "${with_panel_libname+set}" = set; then
+  withval="$with_panel_libname"
+  with_lib_basename=$withval
+else
+  with_lib_basename=panel
+fi;
+PANEL_NAME="$with_lib_basename"
+
+case "x$PANEL_NAME" in
+(x|xno|xnone|xyes)
+	PANEL_NAME=panel
+	;;
+(*)
+	;;
+esac
+
+echo "$as_me:16348: result: $PANEL_NAME" >&5
+echo "${ECHO_T}$PANEL_NAME" >&6
+
+echo "$as_me:16351: checking if you want to check for panel functions" >&5
 echo $ECHO_N "checking if you want to check for panel functions... $ECHO_C" >&6
 
 # Check whether --enable-panel or --disable-panel was given.
@@ -15644,7 +16365,7 @@ else
 	cf_enable_panel=$cf_default_panel
 
 fi;
-echo "$as_me:15647: result: $cf_enable_panel" >&5
+echo "$as_me:16368: result: $cf_enable_panel" >&5
 echo "${ECHO_T}$cf_enable_panel" >&6
 if test $cf_enable_panel = yes
 then
@@ -15655,14 +16376,14 @@ cf_have_curses_lib=no
 if test "x${NCURSES_CONFIG_PKG}" = xnone; then
 	:
 elif test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:15658: checking pkg-config for panel$cf_cv_libtype" >&5
-echo $ECHO_N "checking pkg-config for panel$cf_cv_libtype... $ECHO_C" >&6
-	if "$PKG_CONFIG" --exists panel$cf_cv_libtype ; then
-		echo "$as_me:15661: result: yes" >&5
+	echo "$as_me:16379: checking pkg-config for $PANEL_NAME$cf_cv_libtype" >&5
+echo $ECHO_N "checking pkg-config for $PANEL_NAME$cf_cv_libtype... $ECHO_C" >&6
+	if "$PKG_CONFIG" --exists "$PANEL_NAME$cf_cv_libtype" ; then
+		echo "$as_me:16382: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:15664: checking if the panel$cf_cv_libtype package files work" >&5
-echo $ECHO_N "checking if the panel$cf_cv_libtype package files work... $ECHO_C" >&6
+		echo "$as_me:16385: checking if the $PANEL_NAME$cf_cv_libtype package files work" >&5
+echo $ECHO_N "checking if the $PANEL_NAME$cf_cv_libtype package files work... $ECHO_C" >&6
 
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
@@ -15672,21 +16393,21 @@ cf_new_cflags=
 cf_new_cppflags=
 cf_new_extra_cppflags=
 
-for cf_add_cflags in `$PKG_CONFIG --cflags panel$cf_cv_libtype`
+for cf_add_cflags in `$PKG_CONFIG --cflags "$PANEL_NAME$cf_cv_libtype"`
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
+			if test "$cf_fix_cppflags" = yes ; then
 
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
@@ -15705,7 +16426,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -15735,7 +16456,7 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
 	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -