dnl*************************************************************************** dnl Copyright (c) 1998-2000,2001,2002 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * dnl copy of this software and associated documentation files (the * dnl "Software"), to deal in the Software without restriction, including * dnl without limitation the rights to use, copy, modify, merge, publish, * dnl distribute, distribute with modifications, sublicense, and/or sell * dnl copies of the Software, and to permit persons to whom the Software is * dnl furnished to do so, subject to the following conditions: * dnl * dnl The above copyright notice and this permission notice shall be included * dnl in all copies or substantial portions of the Software. * dnl * dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. * dnl * dnl Except as contained in this notice, the name(s) of the above copyright * dnl holders shall not be used in advertising or otherwise to promote the * dnl sale, use or other dealings in this Software without prior written * dnl authorization. * dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1996,1997,1998,1999,2000,2001 dnl dnl $Id: aclocal.m4,v 1.280 2002/04/27 19:31:30 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl See http://dickey.his.com/autoconf/ for additional information. dnl dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl Construct the list of include-options for the C programs in the Ada95 dnl binding. AC_DEFUN([CF_ADA_INCLUDE_DIRS], [ ACPPFLAGS="$ACPPFLAGS -I. -I../../include" if test "$srcdir" != "."; then ACPPFLAGS="$ACPPFLAGS -I\$(srcdir)/../../include" fi if test "$GCC" != yes; then ACPPFLAGS="$ACPPFLAGS -I\$(includedir)" elif test "$includedir" != "/usr/include"; then if test "$includedir" = '${prefix}/include' ; then if test $prefix != /usr ; then ACPPFLAGS="$ACPPFLAGS -I\$(includedir)" fi else ACPPFLAGS="$ACPPFLAGS -I\$(includedir)" fi fi AC_SUBST(ACPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS dnl The second parameter if given makes this macro verbose. AC_DEFUN([CF_ADD_CFLAGS], [ cf_new_cflags= cf_new_cppflags= for cf_add_cflags in $1 do case $cf_add_cflags in #(vi -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi case "$CPPFLAGS" in *$cf_add_cflags) #(vi ;; *) #(vi cf_new_cppflags="$cf_new_cppflags $cf_add_cflags" ;; esac ;; *) cf_new_cflags="$cf_new_cflags $cf_add_cflags" ;; esac done if test -n "$cf_new_cflags" ; then ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)]) CFLAGS="$CFLAGS $cf_new_cflags" fi if test -n "$cf_new_cppflags" ; then ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)]) CPPFLAGS="$CPPFLAGS $cf_new_cppflags" fi ])dnl dnl --------------------------------------------------------------------------- dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES' dnl in the sharutils 4.2 distribution. AC_DEFUN([CF_ANSI_CC_CHECK], [ AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[ cf_cv_ansi_cc=no cf_save_CFLAGS="$CFLAGS" cf_save_CPPFLAGS="$CPPFLAGS" # Don't try gcc -ansi; that turns off useful extensions and # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 # HP-UX -Aa -D_HPUX_SOURCE # SVR4 -Xc # UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes) for cf_arg in "-DCC_HAS_PROTOS" \ "" \ -qlanglvl=ansi \ -std1 \ -Ae \ "-Aa -D_HPUX_SOURCE" \ -Xc do CF_ADD_CFLAGS($cf_arg) AC_TRY_COMPILE( [ #ifndef CC_HAS_PROTOS #if !defined(__STDC__) || (__STDC__ != 1) choke me #endif #endif ],[ int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);};], [cf_cv_ansi_cc="$cf_arg"; break]) done CFLAGS="$cf_save_CFLAGS" CPPFLAGS="$cf_save_CPPFLAGS" ]) if test "$cf_cv_ansi_cc" != "no"; then if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then CF_ADD_CFLAGS($cf_cv_ansi_cc) else AC_DEFINE(CC_HAS_PROTOS) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl For programs that must use an ANSI compiler, obtain compiler options that dnl will make it recognize prototypes. We'll do preprocessor checks in other dnl macros, since tools such as unproto can fake prototypes, but only part of dnl the preprocessor. AC_DEFUN([CF_ANSI_CC_REQD], [AC_REQUIRE([CF_ANSI_CC_CHECK]) if test "$cf_cv_ansi_cc" = "no"; then AC_ERROR( [Your compiler does not appear to recognize prototypes. You have the following choices: a. adjust your compiler options b. get an up-to-date compiler c. use a wrapper such as unproto]) fi ])dnl dnl --------------------------------------------------------------------------- dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc dnl 2.6.3 does, in anticipation of the ANSI C++ standard. dnl dnl Treat the configuration-variable specially here, since we're directly dnl substituting its value (i.e., 1/0). AC_DEFUN([CF_BOOL_DECL], [ AC_CHECK_HEADER(stdbool.h, cf_cv_header_stdbool_h=1, cf_cv_header_stdbool_h=0) AC_MSG_CHECKING([for builtin bool type]) AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[ AC_TRY_COMPILE([ #include #include ],[bool x = false], [ifelse($1,,cf_cv_builtin_bool,[$1])=1], [ifelse($1,,cf_cv_builtin_bool,[$1])=0]) ]) if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1 then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi ])dnl dnl --------------------------------------------------------------------------- dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type). dnl Don't bother looking for bool.h, since it's been deprecated. dnl dnl If the current compiler is C rather than C++, we get the bool definition dnl from . AC_DEFUN([CF_BOOL_SIZE], [ AC_MSG_CHECKING([for size of bool]) AC_CACHE_VAL(cf_cv_type_of_bool,[ rm -f cf_test.out AC_TRY_RUN([ #include #include #if defined(__cplusplus) #ifdef HAVE_GXX_BUILTIN_H #include #elif HAVE_GPP_BUILTIN_H #include #elif HAVE_BUILTIN_H #include #endif #else #if $cf_cv_header_stdbool_h #include #endif #endif main() { FILE *fp = fopen("cf_test.out", "w"); if (fp != 0) { bool x = true; if ((bool)(-x) >= 0) fputs("unsigned ", fp); if (sizeof(x) == sizeof(int)) fputs("int", fp); else if (sizeof(x) == sizeof(char)) fputs("char", fp); else if (sizeof(x) == sizeof(short))fputs("short",fp); else if (sizeof(x) == sizeof(long)) fputs("long", fp); fclose(fp); } exit(0); } ], [cf_cv_type_of_bool=`cat cf_test.out` if test -z "$cf_cv_type_of_bool"; then cf_cv_type_of_bool=unknown fi], [cf_cv_type_of_bool=unknown], [cf_cv_type_of_bool=unknown]) ]) rm -f cf_test.out AC_MSG_RESULT($cf_cv_type_of_bool) if test "$cf_cv_type_of_bool" = unknown ; then case .$NCURSES_BOOL in #(vi .auto|.) NCURSES_BOOL=unsigned;; esac AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool) cf_cv_type_of_bool=$NCURSES_BOOL fi ])dnl dnl --------------------------------------------------------------------------- dnl Determine the default configuration into which we'll install ncurses. This dnl can be overridden by the user's command-line options. There's two items to dnl look for: dnl 1. the prefix (e.g., /usr) dnl 2. the header files (e.g., /usr/include/ncurses) dnl We'll look for a previous installation of ncurses and use the same defaults. dnl dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's dnl programs from a vendor's. AC_DEFUN([CF_CFG_DEFAULTS], [ AC_MSG_CHECKING(for prefix) if test "x$prefix" = "xNONE" ; then case "$cf_cv_system_name" in # non-vendor systems don't have a conflict openbsd*|netbsd*|freebsd*|linux*|cygwin*) prefix=/usr ;; *) prefix=$ac_default_prefix ;; esac fi AC_MSG_RESULT($prefix) if test "x$prefix" = "xNONE" ; then AC_MSG_CHECKING(for default include-directory) test -n "$verbose" && echo 1>&AC_FD_MSG for cf_symbol in \ $includedir \ $includedir/ncurses \ $prefix/include \ $prefix/include/ncurses \ /usr/local/include \ /usr/local/include/ncurses \ /usr/include \ /usr/include/ncurses do cf_dir=`eval echo $cf_symbol` if test -f $cf_dir/curses.h ; then if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then includedir="$cf_symbol" test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG break fi fi test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG done AC_MSG_RESULT($includedir) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if the terminal-capability database functions are available. If not, dnl ncurses has a much-reduced version. AC_DEFUN([CF_CGETENT],[ AC_MSG_CHECKING(for terminal-capability database functions) AC_CACHE_VAL(cf_cv_cgetent,[ AC_TRY_LINK([ #include ],[ char temp[128]; char *buf = temp; char *db_array = temp; cgetent(&buf, /* int *, */ &db_array, "vt100"); cgetcap(buf, "tc", '='); cgetmatch(buf, "tc"); ], [cf_cv_cgetent=yes], [cf_cv_cgetent=no]) ]) AC_MSG_RESULT($cf_cv_cgetent) test "$cf_cv_cgetent" = yes && AC_DEFINE(HAVE_BSD_CGETENT) ])dnl 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. dnl dnl If we've packaged config.guess and config.sub, run that (since it does a dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM dnl which is useful in cross-compiles. AC_DEFUN([CF_CHECK_CACHE], [ if test -f $srcdir/config.guess ; then ifelse([$1],,[AC_CANONICAL_HOST],[$1]) system_name="$host_os" else system_name="`(uname -s -r) 2>/dev/null`" if test -z "$system_name" ; then system_name="`(hostname) 2>/dev/null`" fi fi test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name") AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"]) test -z "$system_name" && system_name="$cf_cv_system_name" test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name) if test ".$system_name" != ".$cf_cv_system_name" ; then AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)) AC_ERROR("Please remove config.cache and try again.") fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for data that is usually declared in or , e.g., dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it dnl ourselves. dnl dnl $1 = the name to check AC_DEFUN([CF_CHECK_ERRNO], [ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ AC_TRY_COMPILE([ #ifdef HAVE_STDLIB_H #include #endif #include #include #include ], [long x = (long) $1], [cf_cv_dcl_$1=yes], [cf_cv_dcl_$1=no]) ]) if test "$cf_cv_dcl_$1" = no ; then CF_UPPER(cf_result,decl_$1) AC_DEFINE_UNQUOTED($cf_result) fi # It's possible (for near-UNIX clones) that the data doesn't exist CF_CHECK_EXTERN_DATA($1,int) ])dnl dnl --------------------------------------------------------------------------- dnl Check for existence of external data in the current set of libraries. If dnl we can modify it, it's real enough. dnl $1 = the name to check dnl $2 = its type AC_DEFUN([CF_CHECK_EXTERN_DATA], [ AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[ AC_TRY_LINK([ #undef $1 extern $2 $1; ], [$1 = 2], [cf_cv_have_$1=yes], [cf_cv_have_$1=no]) ]) if test "$cf_cv_have_$1" = yes ; then CF_UPPER(cf_result,have_$1) AC_DEFINE_UNQUOTED($cf_result) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if the C++ compiler accepts duplicate parameter initialization. This dnl is a late feature for the standard and is not in some recent compilers dnl (1999/9/11). AC_DEFUN([CF_CPP_PARAM_INIT], [ if test -n "$CXX"; then AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[ AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_RUN([ class TEST { private: int value; public: TEST(int x = 1); ~TEST(); }; TEST::TEST(int x = 1) // some compilers do not like second initializer { value = x; } void main() { } ], [cf_cv_cpp_param_init=yes], [cf_cv_cpp_param_init=no], [cf_cv_cpp_param_init=unknown]) AC_LANG_RESTORE ]) fi test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT) ])dnl dnl --------------------------------------------------------------------------- dnl Check if the g++ compiler supports vscan function (not a standard feature). AC_DEFUN([CF_CPP_VSCAN_FUNC], [ if test -n "$CXX"; then AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_CHECK_HEADERS(strstream.h) AC_CACHE_CHECK(if $CXX supports vscan function,cf_cv_cpp_vscan_func,[ for cf_vscan_func in strstream strstream_cast stdio do case $cf_vscan_func in #(vi stdio) cf_vscan_defs=USE_STDIO_VSCAN ;; #(vi strstream) cf_vscan_defs=USE_STRSTREAM_VSCAN ;; strstream_cast) cf_vscan_defs=USE_STRSTREAM_VSCAN_CAST ;; esac AC_TRY_LINK([ #include #include #define $cf_vscan_defs 1 #if defined(USE_STDIO_VSCAN) #elif defined(HAVE_STRSTREAM_H) && defined(USE_STRSTREAM_VSCAN) #include #endif int scanw(const char* fmt, ...) { int result = -1; char buf[BUFSIZ]; va_list args; va_start(args, fmt); #if defined(USE_STDIO_VSCAN) if (::vsscanf(buf, fmt, args) != -1) result = 0; #elif defined(USE_STRSTREAM_VSCAN) strstreambuf ss(buf, sizeof(buf)); if (ss.vscan(fmt, args) != -1) result = 0; #elif defined(USE_STRSTREAM_VSCAN_CAST) strstreambuf ss(buf, sizeof(buf)); if (ss.vscan(fmt, (_IO_va_list)args) != -1) result = 0; #else #error case $cf_vscan_func failed #endif va_end(args); return result; } ],[int tmp, foo = scanw("%d", &tmp)], [cf_cv_cpp_vscan_func=$cf_vscan_func; break], [cf_cv_cpp_vscan_func=no]) test "$cf_cv_cpp_vscan_func" != no && break done ]) AC_LANG_RESTORE fi case $cf_cv_cpp_vscan_func in #(vi stdio) #(vi AC_DEFINE(CPP_HAS_VSCAN_FUNC) AC_DEFINE(USE_STDIO_VSCAN) ;; strstream) AC_DEFINE(CPP_HAS_VSCAN_FUNC) AC_DEFINE(USE_STRSTREAM_VSCAN) ;; strstream_cast) AC_DEFINE(CPP_HAS_VSCAN_FUNC) AC_DEFINE(USE_STRSTREAM_VSCAN_CAST) ;; esac ])dnl 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 dnl --------------------------------------------------------------------------- AC_DEFUN([CF_DIRS_TO_MAKE], [ DIRS_TO_MAKE="lib" for cf_item in $cf_list_models do CF_OBJ_SUBDIR($cf_item,cf_subdir) for cf_item2 in $DIRS_TO_MAKE do test $cf_item2 = $cf_subdir && break done test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir" done for cf_dir in $DIRS_TO_MAKE do test ! -d $cf_dir && mkdir $cf_dir done AC_SUBST(DIRS_TO_MAKE) ])dnl dnl --------------------------------------------------------------------------- dnl Check if 'errno' is declared in AC_DEFUN([CF_ERRNO], [ CF_CHECK_ERRNO(errno) ])dnl dnl --------------------------------------------------------------------------- dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between dnl math.h and builtin.h, only for ncurses AC_DEFUN([CF_ETIP_DEFINES], [ AC_MSG_CHECKING(for special defines needed for etip.h) cf_save_CXXFLAGS="$CXXFLAGS" cf_result="none" for cf_math in "" MATH_H do for cf_excp in "" MATH_EXCEPTION do CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu" test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}" test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}" AC_TRY_COMPILE([ #include ],[],[ test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math}) test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp}) cf_result="$cf_math $cf_excp" break ],[]) done done AC_MSG_RESULT($cf_result) CXXFLAGS="$cf_save_CXXFLAGS" ]) dnl --------------------------------------------------------------------------- dnl Check for memmove, or a bcopy that can handle overlapping copy. If neither dnl is found, add our own version of memmove to the list of objects. AC_DEFUN([CF_FUNC_MEMMOVE], [ AC_CHECK_FUNC(memmove,,[ AC_CHECK_FUNC(bcopy,[ AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[ AC_TRY_RUN([ int main() { static char data[] = "abcdefghijklmnopqrstuwwxyz"; char temp[40]; bcopy(data, temp, sizeof(data)); bcopy(temp+10, temp, 15); bcopy(temp+5, temp+15, 10); exit (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz")); } ], [cf_cv_good_bcopy=yes], [cf_cv_good_bcopy=no], [cf_cv_good_bcopy=unknown]) ]) ],[cf_cv_good_bcopy=no]) if test "$cf_cv_good_bcopy" = yes ; then AC_DEFINE(USE_OK_BCOPY) else AC_DEFINE(USE_MY_MEMMOVE) fi ])])dnl dnl --------------------------------------------------------------------------- dnl See if the poll function really works. Some platforms have poll(), but dnl it does not work for terminals or files. AC_DEFUN([CF_FUNC_POLL],[ AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[ AC_TRY_RUN([ #include #ifdef HAVE_POLL_H #include #else #include #endif int main() { struct pollfd myfds; int ret; myfds.fd = 0; myfds.events = POLLIN; ret = poll(&myfds, 1, 100); exit(ret != 0); }], [cf_cv_working_poll=yes], [cf_cv_working_poll=no], [cf_cv_working_poll=unknown])]) test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL) ])dnl dnl --------------------------------------------------------------------------- dnl Some old/broken variations define tcgetattr() only as a macro in dnl termio(s).h AC_DEFUN([CF_FUNC_TERMIOS],[ AC_REQUIRE([CF_STRUCT_TERMIOS]) AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[ AC_TRY_LINK([ #include #ifdef HAVE_UNISTD_H #include #endif #ifdef HAVE_TERMIOS_H #include #define TTY struct termios #else #ifdef HAVE_TERMIO_H #include #define TTY struct termio #endif #endif ],[ TTY foo; tcgetattr(1, &foo);], [cf_cv_have_tcgetattr=yes], [cf_cv_have_tcgetattr=no])]) test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR) ])dnl dnl --------------------------------------------------------------------------- dnl Check for vsscanf() function, which is in c9x but generally not in earlier dnl versions of C. It is in the GNU C library, and can often be simulated by dnl other functions. AC_DEFUN([CF_FUNC_VSSCANF], [ AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[ AC_TRY_LINK([ #include #include ],[ va_list ap; vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[ AC_TRY_LINK([ #include #include ],[ FILE strbuf; char *str = "from"; strbuf._flag = _IOREAD; strbuf._ptr = strbuf._base = (unsigned char *) str; strbuf._cnt = strlen(str); strbuf._file = _NFILE; return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[ AC_TRY_LINK([ #include #include ],[ FILE strbuf; char *str = "from"; strbuf._flag = _IOREAD; strbuf._ptr = strbuf._base = (unsigned char *) str; strbuf._cnt = strlen(str); strbuf._file = _NFILE; return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[ cf_cv_func_vsscanf=no])])])]) case $cf_cv_func_vsscanf in #(vi vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi _doscan) AC_DEFINE(HAVE__DOSCAN);; esac ])dnl dnl --------------------------------------------------------------------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], [ if test "$GCC" = yes then cat > conftest.i < conftest.$ac_ext <&AC_FD_CC case $cf_attribute in scanf|printf) cat >conftest.h <conftest.h <>confdefs.h # else # sed -e 's/__attr.*/\/*nothing*\//' conftest.h >>confdefs.h fi done else fgrep define conftest.i >>confdefs.h fi rm -rf conftest* fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: dnl dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) dnl -Wredundant-decls (system headers make this too noisy) dnl -Wtraditional (combines too many unrelated messages, only a few useful) dnl -Wwrite-strings (too noisy, but should review occasionally) dnl -pedantic dnl AC_DEFUN([CF_GCC_WARNINGS], [ if test "$GCC" = yes then cat > conftest.$ac_ext <>conftest.ads <>conftest.adb <&AC_FD_CC 2>&1 ) ; then if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then ifelse($3,, :,[ $3]) ifelse($4,,,[ else $4]) fi ifelse($4,,,[else $4]) fi rm -f conftest* ])dnl dnl --------------------------------------------------------------------------- dnl Verify Version of GNAT. AC_DEFUN([CF_GNAT_VERSION], [ cf_cv_gnat_version=`$cf_ada_make -v 2>&1 | grep '[[0-9]].[[0-9]][[0-9]]*' |\ sed -e 's/[[^0-9 \.]]//g' | $AWK '{print $[1];}'` case $cf_cv_gnat_version in 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) cf_cv_prog_gnat_correct=yes ;; *) echo Unsupported GNAT version $cf_cv_gnat_version. Required is 3.11 or better. Disabling Ada95 binding. cf_cv_prog_gnat_correct=no ;; esac case $cf_cv_gnat_version in 3.1*|[[4-9]].*) cf_compile_generics=generics cf_generic_objects="\$(GENOBJS)" ;; *) cf_compile_generics= cf_generic_objects= ;; esac ]) dnl --------------------------------------------------------------------------- dnl Check if we must define _GNU_SOURCE to get a reasonable value for dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect dnl (or misfeature) of glibc2, which breaks portability of many applications, dnl since it is interwoven with GNU extensions. dnl dnl Well, yes we could work around it... AC_DEFUN([CF_GNU_SOURCE], [ AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ AC_TRY_COMPILE([#include ],[ #ifndef _XOPEN_SOURCE make an error #endif], [cf_cv_gnu_source=no], [cf_save="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" AC_TRY_COMPILE([#include ],[ #ifdef _XOPEN_SOURCE make an error #endif], [cf_cv_gnu_source=no], [cf_cv_gnu_source=yes]) CPPFLAGS="$cf_save" ]) ]) test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" ])dnl dnl --------------------------------------------------------------------------- dnl If we're trying to use g++, test if libg++ is installed (a rather common dnl problem :-). If we have the compiler but no library, we'll be able to dnl configure, but won't be able to build the c++ demo program. AC_DEFUN([CF_GPP_LIBRARY], [ cf_cxx_library=unknown case $cf_cv_system_name in #(vi os2*) #(vi cf_gpp_libname=gpp ;; *) cf_gpp_libname=g++ ;; esac if test "$ac_cv_prog_gxx" = yes; then AC_MSG_CHECKING([for lib$cf_gpp_libname]) cf_save="$LIBS" LIBS="$LIBS -l$cf_gpp_libname" AC_TRY_LINK([ #include <$cf_gpp_libname/builtin.h> ], [two_arg_error_handler_t foo2 = lib_error_handler], [cf_cxx_library=yes CXXLIBS="$CXXLIBS -l$cf_gpp_libname" if test "$cf_gpp_libname" = cpp ; then AC_DEFINE(HAVE_GPP_BUILTIN_H) else AC_DEFINE(HAVE_GXX_BUILTIN_H) fi], [AC_TRY_LINK([ #include ], [two_arg_error_handler_t foo2 = lib_error_handler], [cf_cxx_library=yes CXXLIBS="$CXXLIBS -l$cf_gpp_libname" AC_DEFINE(HAVE_BUILTIN_H)], [cf_cxx_library=no])]) LIBS="$cf_save" AC_MSG_RESULT($cf_cxx_library) fi ])dnl dnl --------------------------------------------------------------------------- dnl Insert text into the help-message, for readability, from AC_ARG_WITH. AC_DEFUN([CF_HELP_MESSAGE], [AC_DIVERT_HELP([$1])dnl ])dnl dnl --------------------------------------------------------------------------- dnl Construct the list of include-options according to whether we're building dnl in the source directory or using '--srcdir=DIR' option. If we're building dnl with gcc, don't append the includedir if it happens to be /usr/include, dnl since that usually breaks gcc's shadow-includes. 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AC_DEFUN([CF_LIB_TYPE], [ case $1 in libtool) $2='' ;; normal) $2='' ;; debug) $2='_g' ;; profile) $2='_p' ;; shared) $2='' ;; esac test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- dnl Some systems have a non-ANSI linker that doesn't pull in modules that have dnl only data (i.e., no functions), for example NeXT. On those systems we'll dnl have to provide wrappers for global tables to ensure they're linked dnl properly. AC_DEFUN([CF_LINK_DATAONLY], [ AC_MSG_CHECKING([if data-only library module links]) AC_CACHE_VAL(cf_cv_link_dataonly,[ rm -f conftest.a cat >conftest.$ac_ext <&5 1>/dev/null fi rm -f conftest.$ac_ext data.o cat >conftest.$ac_ext <&5 1>/dev/null fi rm -f conftest.$ac_ext func.o ( eval $ac_cv_prog_RANLIB conftest.a ) 2>&5 >/dev/null cf_saveLIBS="$LIBS" LIBS="conftest.a $LIBS" AC_TRY_RUN([ int main() { extern int testfunc(); exit (!testfunc()); } ], [cf_cv_link_dataonly=yes], [cf_cv_link_dataonly=no], [cf_cv_link_dataonly=unknown]) LIBS="$cf_saveLIBS" ]) AC_MSG_RESULT($cf_cv_link_dataonly) if test "$cf_cv_link_dataonly" = no ; then AC_DEFINE(BROKEN_LINKER) BROKEN_LINKER=1 fi ])dnl dnl --------------------------------------------------------------------------- dnl Most Unix systems have both link and symlink, a few don't have symlink. dnl A few non-Unix systems implement symlink, but not link. dnl A few non-systems implement neither (or have nonfunctional versions). AC_DEFUN([CF_LINK_FUNCS], [ AC_CHECK_FUNCS( \ remove \ unlink ) if test "$ac_cv_prog_cc_cross" = yes ; then AC_CHECK_FUNCS( \ link \ symlink ) else AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[ cf_cv_link_funcs= for cf_func in link symlink ; do AC_TRY_RUN([ #include #include #ifdef HAVE_UNISTD_H #include #endif int main() { int fail = 0; char *src = "config.log"; char *dst = "conftest.chk"; struct stat src_sb; struct stat dst_sb; stat(src, &src_sb); fail = ($cf_func("config.log", "conftest.chk") < 0) || (stat(dst, &dst_sb) < 0) || (dst_sb.st_mtime != src_sb.st_mtime); #ifdef HAVE_UNLINK unlink(dst); #else remove(dst); #endif exit (fail); } ],[ cf_cv_link_funcs="$cf_cv_link_funcs $cf_func" eval 'ac_cv_func_'$cf_func'=yes'],[ eval 'ac_cv_func_'$cf_func'=no'],[ eval 'ac_cv_func_'$cf_func'=error']) done test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no ]) test "$ac_cv_func_link" = yes && AC_DEFINE(HAVE_LINK) test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK) fi ])dnl dnl --------------------------------------------------------------------------- dnl Some 'make' programs support $(MAKEFLAGS), some $(MFLAGS), to pass 'make' dnl options to lower-levels. It's very useful for "make -n" -- if we have it. dnl (GNU 'make' does both, something POSIX 'make', which happens to make the dnl $(MAKEFLAGS) variable incompatible because it adds the assignments :-) AC_DEFUN([CF_MAKEFLAGS], [ AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[ cf_cv_makeflags='' for cf_option in '-$(MAKEFLAGS)' '$(MFLAGS)' do cat >cf_makeflags.tmp </dev/null` case "$cf_result" in .*k) cf_result=`${MAKE-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null` case "$cf_result" in .*CC=*) cf_cv_makeflags= ;; *) cf_cv_makeflags=$cf_option ;; esac break ;; *) echo no match "$cf_result" ;; esac done rm -f cf_makeflags.tmp ]) AC_SUBST(cf_cv_makeflags) ])dnl dnl --------------------------------------------------------------------------- dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have dnl a monocase filesystem. AC_DEFUN([CF_MAKE_TAGS],[ AC_REQUIRE([CF_MIXEDCASE_FILENAMES]) AC_CHECK_PROG(MAKE_LOWER_TAGS, ctags, yes, no) if test "$cf_cv_mixedcase" = yes ; then AC_CHECK_PROG(MAKE_UPPER_TAGS, etags, yes, no) else MAKE_UPPER_TAGS=no fi if test "$MAKE_UPPER_TAGS" = yes ; then MAKE_UPPER_TAGS= else MAKE_UPPER_TAGS="#" fi AC_SUBST(MAKE_UPPER_TAGS) if test "$MAKE_LOWER_TAGS" = yes ; then MAKE_LOWER_TAGS= else MAKE_LOWER_TAGS="#" fi AC_SUBST(MAKE_LOWER_TAGS) ])dnl dnl --------------------------------------------------------------------------- dnl Option to allow user to override automatic configuration of manpage format. dnl There are several special cases. AC_DEFUN([CF_MANPAGE_FORMAT], [ AC_REQUIRE([CF_PATHSEP]) AC_MSG_CHECKING(format of man-pages) AC_ARG_WITH(manpage-format, [ --with-manpage-format specify manpage-format: gzip/compress/BSDI/normal and optionally formatted, e.g., gzip,formatted], [MANPAGE_FORMAT=$withval], [MANPAGE_FORMAT=unknown]) case ".$MANPAGE_FORMAT" in .gzip|.compress|.BSDI|.normal|.formatted) # (vi ;; .unknown|.) # (vi if test -z "$MANPATH" ; then MANPATH="/usr/man:/usr/share/man" fi # look for the 'date' man-page (it's most likely to be installed!) 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AC_DEFUN([CF_MANPAGE_RENAMES], [ AC_MSG_CHECKING(for manpage renaming) AC_ARG_WITH(manpage-renames, [ --with-manpage-renames specify manpage-renaming], [MANPAGE_RENAMES=$withval], [MANPAGE_RENAMES=yes]) case ".$MANPAGE_RENAMES" in #(vi .no) #(vi ;; .|.yes) # Debian 'man' program? if test -f /etc/debian_version ; then MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames else MANPAGE_RENAMES=no fi ;; esac if test "$MANPAGE_RENAMES" != no ; then if test -f $srcdir/man/$MANPAGE_RENAMES ; then MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES elif test ! -f $MANPAGE_RENAMES ; then AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES) fi test ! -d man && mkdir man # Construct a sed-script to perform renaming within man-pages if test -n "$MANPAGE_RENAMES" ; then test ! -d man && mkdir man sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >man/edit_man.sed fi fi AC_MSG_RESULT($MANPAGE_RENAMES) AC_SUBST(MANPAGE_RENAMES) ])dnl dnl --------------------------------------------------------------------------- dnl Some people expect each tool to make all aliases for manpages in the dnl man-directory. 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AC_DEFUN([CF_MBSTATE_T], [ # This is needed on Tru64 5.0 to declare mbstate_t AC_CACHE_CHECK(if we must include wchar.h to declare mbstate_t,cf_cv_mbstate_t,[ AC_TRY_COMPILE([ #include #ifdef HAVE_LIBUTF8_H #include #endif], [mbstate_t state], [cf_cv_mbstate_t=no], [AC_TRY_COMPILE([ #include #include #ifdef HAVE_LIBUTF8_H #include #endif], [mbstate_t value], [cf_cv_mbstate_t=yes], [cf_cv_mbstate_t=unknown])])]) if test "$cf_cv_mbstate_t" = yes ; then AC_DEFINE(NEED_WCHAR_H) fi if test "$cf_cv_mbstate_t" != unknown ; then AC_DEFINE(HAVE_MBSTATE_T) fi ])dnl 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. AC_DEFUN([CF_MIXEDCASE_FILENAMES], [ AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[ rm -f conftest CONFTEST echo test >conftest if test -f CONFTEST ; then cf_cv_mixedcase=no else cf_cv_mixedcase=yes fi rm -f conftest CONFTEST ]) test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES) ])dnl dnl --------------------------------------------------------------------------- dnl Check for a working mkstemp. This creates two files, checks that they are dnl successfully created and distinct (AmigaOS apparently fails on the last). AC_DEFUN([CF_MKSTEMP],[ AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[ rm -f conftest* AC_TRY_RUN([ #include #include #include #include #include int main() { char *tmpl = "conftestXXXXXX"; char name[2][80]; int n; int result = 0; int fd; struct stat sb; umask(077); for (n = 0; n < 2; ++n) { strcpy(name[n], tmpl); if ((fd = mkstemp(name[n])) >= 0) { if (!strcmp(name[n], tmpl) || stat(name[n], &sb) != 0 || (sb.st_mode & S_IFMT) != S_IFREG || (sb.st_mode & 077) != 0) { result = 1; } close(fd); } } if (result == 0 && !strcmp(name[0], name[1])) result = 1; exit(result); } ],[cf_cv_func_mkstemp=yes ],[cf_cv_func_mkstemp=no ],[AC_CHECK_FUNC(mkstemp) ]) ]) if test "$cf_cv_func_mkstemp" = yes ; then AC_DEFINE(HAVE_MKSTEMP) fi ])dnl dnl --------------------------------------------------------------------------- dnl Compute the object-directory name from the given model name AC_DEFUN([CF_OBJ_SUBDIR], [ case $1 in libtool) $2='obj_lo' ;; normal) $2='objects' ;; debug) $2='obj_g' ;; profile) $2='obj_p' ;; shared) case $cf_cv_system_name in #(vi cygwin) #(vi $2='objects' ;; *) $2='obj_s' ;; esac esac ])dnl dnl --------------------------------------------------------------------------- dnl Provide a value for the $PATH and similar separator AC_DEFUN([CF_PATHSEP], [ case $cf_cv_system_name in os2*) PATHSEP=';' ;; *) PATHSEP=':' ;; esac ifelse($1,,,[$1=$PATHSEP]) AC_SUBST(PATHSEP) ])dnl 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 dnl result begins with 'NONE'. This is necessary to work around autoconf's dnl delayed evaluation of those symbols. AC_DEFUN([CF_PATH_SYNTAX],[ case ".[$]$1" in #(vi .\[$]\(*\)*|.\'*\'*) #(vi ;; ..|./*|.\\*) #(vi ;; .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX ;; .\[$]{*prefix}*) #(vi eval $1="[$]$1" case ".[$]$1" in #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; esac ;; #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; *) ifelse($2,,[AC_ERROR([expected a pathname, not \"[$]$1\"])],$2) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX. AC_DEFUN([CF_PROG_EXT], [ AC_REQUIRE([CF_CHECK_CACHE]) PROG_EXT= case $cf_cv_system_name in os2*) # We make sure -Zexe is not used -- it would interfere with @PROG_EXT@ CFLAGS="$CFLAGS -Zmt" CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__" CXXFLAGS="$CXXFLAGS -Zmt" LDFLAGS=`echo "$LDFLAGS -Zmt -Zcrtdll" | sed "s/-Zexe//g"` PROG_EXT=".exe" ;; cygwin*) PROG_EXT=".exe" ;; esac AC_SUBST(PROG_EXT) test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT") ])dnl 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 dnl using the fallback mkinstalldirs script AC_DEFUN([CF_PROG_INSTALL], [AC_PROG_INSTALL case $INSTALL in /*) ;; *) CF_DIRNAME(cf_dir,$INSTALL) test -z "$cf_dir" && cf_dir=. INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's:^.*/::'` ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Attempt to determine if we've got one of the flavors of regular-expression dnl code that we can support. AC_DEFUN([CF_REGEX], [ AC_MSG_CHECKING([for regular-expression headers]) AC_CACHE_VAL(cf_cv_regex,[ AC_TRY_LINK([#include #include ],[ regex_t *p; int x = regcomp(p, "", 0); int y = regexec(p, "", 0, 0, 0); regfree(p); ],[cf_cv_regex="regex.h"],[ AC_TRY_LINK([#include ],[ char *p = compile("", "", "", 0); int x = step("", ""); ],[cf_cv_regex="regexp.h"],[ cf_save_LIBS="$LIBS" LIBS="-lgen $LIBS" AC_TRY_LINK([#include ],[ char *p = compile("", "", ""); int x = step("", ""); ],[cf_cv_regex="regexpr.h"],[LIBS="$cf_save_LIBS"])])]) ]) AC_MSG_RESULT($cf_cv_regex) case $cf_cv_regex in regex.h) AC_DEFINE(HAVE_REGEX_H_FUNCS) ;; regexp.h) AC_DEFINE(HAVE_REGEXP_H_FUNCS) ;; regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared dnl library. dnl dnl Note: $(LOCAL_LDFLAGS) is used to link executables that will run within the dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib dnl We avoid compiling-in a ../lib path for the shared library since that can dnl lead to unexpected results at runtime. dnl $(LOCAL_LDFLAGS2) has the same intention but assumes that the shared libraries dnl are compiled in ../../lib dnl dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure dnl to install symbolic links to the rel/abi versions of shared libraries. dnl dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi dnl version when making symbolic links. dnl dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library dnl version numbers are infix (ex: libncurses..dylib) or postfix dnl (ex: libncurses.so.). dnl dnl Some loaders leave 'so_locations' lying around. It's nice to clean up. AC_DEFUN([CF_SHARED_OPTS], [ AC_REQUIRE([CF_SUBST_NCURSES_VERSION]) LOCAL_LDFLAGS= LOCAL_LDFLAGS2= LD_SHARED_OPTS= INSTALL_LIB="-m 644" cf_cv_do_symlinks=no AC_MSG_CHECKING(if release/abi version should be used for shared libs) AC_ARG_WITH(shlib-version, [ --with-shlib-version=X Specify rel or abi version for shared libs], [test -z "$withval" && withval=auto case $withval in #(vi yes) #(vi cf_cv_shlib_version=auto ;; rel|abi|auto|no) #(vi cf_cv_shlib_version=$withval ;; *) AC_ERROR([option value must be one of: rel, abi, auto or no]) ;; esac ],[cf_cv_shlib_version=auto]) AC_MSG_RESULT($cf_cv_shlib_version) cf_cv_rm_so_locs=no # Some less-capable ports of gcc support only -fpic CC_SHARED_OPTS= if test "$GCC" = yes then AC_MSG_CHECKING(which $CC option to use) cf_save_CFLAGS="$CFLAGS" for CC_SHARED_OPTS in -fPIC -fpic '' do CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS" AC_TRY_COMPILE([#include ],[int x = 1],[break],[]) done AC_MSG_RESULT($CC_SHARED_OPTS) CFLAGS="$cf_save_CFLAGS" fi cf_cv_shlib_version_infix=no case $cf_cv_system_name in beos*) MK_SHARED_LIB='$(CC) -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0' ;; cygwin*) CC_SHARED_OPTS= MK_SHARED_LIB='$(CC) -shared -Wl,--out-implib=$(IMPORT_LIB) -Wl,--export-all-symbols -o $(SHARED_LIB)' cf_cv_shlib_version=cygdll cf_cv_shlib_version_infix=cygdll ;; darwin*) EXTRA_CFLAGS="-no-cpp-precomp" CC_SHARED_OPTS="-dynamic" MK_SHARED_LIB='$(CC) -dynamiclib -install_name $(DESTDIR)$(libdir)/`basename $[@]` -compatibility_version $(ABI_VERSION) -current_version $(ABI_VERSION) -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi cf_cv_shlib_version_infix=yes ;; hpux*) # (tested with gcc 2.7.2 -- I don't have c89) if test "$GCC" = yes; then LD_SHARED_OPTS='-Xlinker +b -Xlinker $(libdir)' else CC_SHARED_OPTS='+Z' LD_SHARED_OPTS='-Wl,+b,$(libdir)' fi MK_SHARED_LIB='$(LD) +b $(libdir) -b -o $[@]' # HP-UX shared libraries must be executable, and should be # readonly to exploit a quirk in the memory manager. INSTALL_LIB="-m 555" ;; irix*) if test "$cf_cv_ld_rpath" = yes ; then cf_ld_rpath_opt="-Wl,-rpath," EXTRA_LDFLAGS="-Wl,-rpath,\$(libdir) $EXTRA_LDFLAGS" fi # tested with IRIX 5.2 and 'cc'. if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -shared -rdata_shared -soname `basename $[@]` -o $[@]' cf_cv_rm_so_locs=yes ;; linux*|gnu*) if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-Wl,-rpath,`pwd`/lib" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_ld_rpath" = yes ; then cf_ld_rpath_opt="-Wl,-rpath," EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS" fi test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@] .$(REL_VERSION)`.$(ABI_VERSION),-stats,-lc -o $[@]' ;; openbsd2*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='$(LD) -Bshareable -soname,`basename $[@].$(ABI_VERSION)` -o $[@]' ;; openbsd*|freebsd*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='$(LD) -Bshareable -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; netbsd*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" test "$cf_cv_ld_rpath" = yes && cf_ld_rpath_opt="-Wl,-rpath," if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_ld_rpath" = yes ; then LOCAL_LDFLAGS="-Wl,-rpath,`pwd`/lib" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" EXTRA_LDFLAGS="-Wl,-rpath,\$(libdir) $EXTRA_LDFLAGS" MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o $[@]' if test "$cf_cv_shlib_version" = auto; then if test ! -f /usr/libexec/ld.elf_so; then cf_cv_shlib_version=rel fi fi else MK_SHARED_LIB='$(LD) -Bshareable -o $[@]' fi ;; osf*|mls+*) # tested with OSF/1 V3.2 and 'cc' # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't # link with shared libs). MK_SHARED_LIB='$(LD) -set_version $(REL_VERSION):$(ABI_VERSION) -expect_unresolved "*" -shared -soname `basename $[@]`' case $host_os in osf4*) MK_SHARED_LIB="${MK_SHARED_LIB} -msym" ;; esac MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]' if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-Wl,-rpath,`pwd`/lib" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_ld_rpath" = yes ; then cf_ld_rpath_opt="-rpath" # EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS" fi cf_cv_rm_so_locs=yes ;; sco3.2v5*) # (also uw2* and UW7) hops 13-Apr-98 # tested with osr5.0.5 if test "$ac_cv_prog_gcc" != yes; then CC_SHARED_OPTS='-belf -KPIC' fi MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o [$]@' if test "$cf_cv_ld_rpath" = yes ; then # only way is to set LD_RUN_PATH but no switch for it RUN_PATH=$libdir fi test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel LINK_PROGS='LD_RUN_PATH=$(libdir)' LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib' ;; sunos4*) # tested with SunOS 4.1.1 and gcc 2.7.0 if test "$ac_cv_prog_gcc" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -assert pure-text -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; solaris2*) # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2 if test "$ac_cv_prog_gcc" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o $[@]' if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-R `pwd`/lib:\$(libdir)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_ld_rpath" = yes ; then cf_ld_rpath_opt="-R" EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS" fi test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; sysv5uw7*|unix_sv*) # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc) if test "$ac_cv_prog_gcc" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -d y -G -o [$]@' ;; *) CC_SHARED_OPTS='unknown' MK_SHARED_LIB='echo unknown' ;; esac # This works if the last tokens in $MK_SHARED_LIB are the -o target. case "$cf_cv_shlib_version" in #(vi rel|abi) case "$MK_SHARED_LIB" in #(vi *'-o $[@]') test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes ;; *) AC_MSG_WARN(ignored --with-shlib-version) ;; esac ;; esac if test -n "$cf_ld_rpath_opt" ; then AC_MSG_CHECKING(if we need a space after rpath option) cf_save_LIBS="$LIBS" LIBS="$LIBS ${cf_ld_rpath_opt}$libdir" AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) LIBS="$cf_save_LIBS" AC_MSG_RESULT($cf_rpath_space) test "$cf_rpath_space" = yes && cf_ld_rpath_opt="$cf_ld_rpath_opt " MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\$(libdir)" fi AC_SUBST(CC_SHARED_OPTS) AC_SUBST(LD_SHARED_OPTS) AC_SUBST(MK_SHARED_LIB) AC_SUBST(LINK_PROGS) AC_SUBST(LINK_TESTS) AC_SUBST(EXTRA_LDFLAGS) AC_SUBST(LOCAL_LDFLAGS) AC_SUBST(LOCAL_LDFLAGS2) AC_SUBST(INSTALL_LIB) ])dnl dnl --------------------------------------------------------------------------- dnl Check for definitions & structures needed for window size-changing dnl FIXME: check that this works with "snake" (HP-UX 10.x) AC_DEFUN([CF_SIZECHANGE], [ AC_REQUIRE([CF_STRUCT_TERMIOS]) AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[ cf_cv_sizechange=unknown cf_save_CPPFLAGS="$CPPFLAGS" for cf_opts in "" "NEED_PTEM_H" do CPPFLAGS="$cf_save_CPPFLAGS" test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts" AC_TRY_COMPILE([#include #ifdef HAVE_TERMIOS_H #include #else #ifdef HAVE_TERMIO_H #include #endif #endif #ifdef NEED_PTEM_H /* This is a workaround for SCO: they neglected to define struct winsize in * termios.h -- it's only in termio.h and ptem.h */ #include #include #endif #if !defined(sun) || !defined(HAVE_TERMIOS_H) #include #endif ],[ #ifdef TIOCGSIZE struct ttysize win; /* FIXME: what system is this? */ int y = win.ts_lines; int x = win.ts_cols; #else #ifdef TIOCGWINSZ struct winsize win; int y = win.ws_row; int x = win.ws_col; #else no TIOCGSIZE or TIOCGWINSZ #endif /* TIOCGWINSZ */ #endif /* TIOCGSIZE */ ], [cf_cv_sizechange=yes], [cf_cv_sizechange=no]) CPPFLAGS="$cf_save_CPPFLAGS" if test "$cf_cv_sizechange" = yes ; then echo "size-change succeeded ($cf_opts)" >&AC_FD_CC test -n "$cf_opts" && cf_cv_sizechange="$cf_opts" break fi done ]) if test "$cf_cv_sizechange" != no ; then AC_DEFINE(HAVE_SIZECHANGE) case $cf_cv_sizechange in #(vi NEED*) AC_DEFINE_UNQUOTED($cf_cv_sizechange ) ;; esac fi ])dnl dnl --------------------------------------------------------------------------- dnl For each parameter, test if the source-directory exists, and if it contains dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll dnl use in CF_LIB_RULES. dnl dnl This uses the configured value to make the lists SRC_SUBDIRS and dnl SUB_MAKEFILES which are used in the makefile-generation scheme. AC_DEFUN([CF_SRC_MODULES], [ AC_MSG_CHECKING(for src modules) # dependencies and linker-arguments for test-programs TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS" if test "$DFT_LWR_MODEL" = "libtool"; then TEST_ARGS="${TEST_DEPS}" else TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS" fi # dependencies and linker-arguments for utility-programs PROG_ARGS="$TEST_ARGS" cf_cv_src_modules= for cf_dir in $1 do if test -f $srcdir/$cf_dir/modules; then # We may/may not have tack in the distribution, though the # makefile is. if test $cf_dir = tack ; then if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then continue fi fi if test -z "$cf_cv_src_modules"; then cf_cv_src_modules=$cf_dir else cf_cv_src_modules="$cf_cv_src_modules $cf_dir" fi # Make the ncurses_cfg.h file record the library interface files as # well. These are header files that are the same name as their # directory. Ncurses is the only library that does not follow # that pattern. if test $cf_dir = tack ; then continue elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then CF_UPPER(cf_have_include,$cf_dir) AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H) AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include}) TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS" if test "$DFT_LWR_MODEL" = "libtool"; then TEST_ARGS="${TEST_DEPS}" else TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS" fi fi fi done AC_MSG_RESULT($cf_cv_src_modules) TEST_ARGS="-L${LIB_DIR} $TEST_ARGS" AC_SUBST(TEST_DEPS) AC_SUBST(TEST_ARGS) PROG_ARGS="-L${LIB_DIR} $PROG_ARGS" AC_SUBST(PROG_ARGS) SRC_SUBDIRS="man include" for cf_dir in $cf_cv_src_modules do SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir" done SRC_SUBDIRS="$SRC_SUBDIRS test" test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc" test "$cf_with_cxx_binding" != no && SRC_SUBDIRS="$SRC_SUBDIRS c++" ADA_SUBDIRS= if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then SRC_SUBDIRS="$SRC_SUBDIRS Ada95" ADA_SUBDIRS="gen src samples" fi SUB_MAKEFILES= for cf_dir in $SRC_SUBDIRS do SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile" done if test -n "$ADA_SUBDIRS"; then for cf_dir in $ADA_SUBDIRS do SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile" done AC_SUBST(ADA_SUBDIRS) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for -lstdc++, which is GNU's standard C++ library. AC_DEFUN([CF_STDCPP_LIBRARY], [ if test -n "$GXX" ; then case $cf_cv_system_name in #(vi os2*) #(vi cf_stdcpp_libname=stdcpp ;; *) cf_stdcpp_libname=stdc++ ;; esac AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[ cf_save="$LIBS" LIBS="$LIBS -l$cf_stdcpp_libname" AC_TRY_LINK([ #include ],[ char buf[80]; strstreambuf foo(buf, sizeof(buf)) ], [cf_cv_libstdcpp=yes], [cf_cv_libstdcpp=no]) LIBS="$cf_save" ]) test "$cf_cv_libstdcpp" = yes && CXXLIBS="$CXXLIBS -l$cf_stdcpp_libname" fi ])dnl dnl --------------------------------------------------------------------------- dnl Remove "-g" option from the compiler options AC_DEFUN([CF_STRIP_G_OPT], [$1=`echo ${$1} | sed -e 's/-g //' -e 's/-g$//'`])dnl dnl --------------------------------------------------------------------------- dnl Check if we need _POSIX_SOURCE defined to use struct sigaction. We'll only dnl do this if we've found the sigaction function. dnl dnl If needed, define SVR4_ACTION. AC_DEFUN([CF_STRUCT_SIGACTION],[ if test "$ac_cv_func_sigaction" = yes; then AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE) AC_TRY_COMPILE([ #include #include ], [struct sigaction act], [sigact_bad=no], [ AC_TRY_COMPILE([ #define _POSIX_SOURCE #include #include ], [struct sigaction act], [sigact_bad=yes AC_DEFINE(SVR4_ACTION)], [sigact_bad=unknown])]) AC_MSG_RESULT($sigact_bad) fi ])dnl dnl --------------------------------------------------------------------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. dnl If so, define SVR4_TERMIO AC_DEFUN([CF_STRUCT_TERMIOS],[ AC_CHECK_HEADERS( \ termio.h \ termios.h \ unistd.h \ ) if test "$ISC" = yes ; then AC_CHECK_HEADERS( sys/termio.h ) fi if test "$ac_cv_header_termios_h" = yes ; then case "$CFLAGS $CPPFLAGS" in *-D_POSIX_SOURCE*) termios_bad=dunno ;; *) termios_bad=maybe ;; esac if test "$termios_bad" = maybe ; then AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE) AC_TRY_COMPILE([#include ], [struct termios foo; int x = foo.c_iflag], termios_bad=no, [ AC_TRY_COMPILE([ #define _POSIX_SOURCE #include ], [struct termios foo; int x = foo.c_iflag], termios_bad=unknown, termios_bad=yes AC_DEFINE(SVR4_TERMIO)) ]) AC_MSG_RESULT($termios_bad) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Shorthand macro for substituting things that the user may override dnl with an environment variable. dnl dnl $1 = long/descriptive name dnl $2 = environment variable dnl $3 = default value AC_DEFUN([CF_SUBST], [AC_CACHE_VAL(cf_cv_subst_$2,[ AC_MSG_CHECKING(for $1 (symbol $2)) test -z "[$]$2" && $2=$3 AC_MSG_RESULT([$]$2) AC_SUBST($2) cf_cv_subst_$2=[$]$2]) $2=${cf_cv_subst_$2} ])dnl dnl --------------------------------------------------------------------------- dnl Get the version-number for use in shared-library naming, etc. AC_DEFUN([CF_SUBST_NCURSES_VERSION], [ NCURSES_MAJOR="`egrep '^NCURSES_MAJOR[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`" NCURSES_MINOR="`egrep '^NCURSES_MINOR[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`" NCURSES_PATCH="`egrep '^NCURSES_PATCH[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`" cf_cv_abi_version=${NCURSES_MAJOR} cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR} dnl Show the computed version, for logging cf_cv_timestamp=`date` AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp)) dnl We need these values in the generated headers AC_SUBST(NCURSES_MAJOR) AC_SUBST(NCURSES_MINOR) AC_SUBST(NCURSES_PATCH) dnl We need these values in the generated makefiles AC_SUBST(cf_cv_rel_version) AC_SUBST(cf_cv_abi_version) AC_SUBST(cf_cv_cc_bool_type) AC_SUBST(cf_cv_builtin_bool) AC_SUBST(cf_cv_header_stdbool_h) AC_SUBST(cf_cv_type_of_bool)dnl ])dnl dnl --------------------------------------------------------------------------- dnl Check if we can include with ; this breaks on dnl older SCO configurations. AC_DEFUN([CF_SYS_TIME_SELECT], [ AC_MSG_CHECKING(if sys/time.h works with sys/select.h) AC_CACHE_VAL(cf_cv_sys_time_select,[ AC_TRY_COMPILE([ #include #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_SYS_SELECT_H #include #endif ],[],[cf_cv_sys_time_select=yes], [cf_cv_sys_time_select=no]) ]) AC_MSG_RESULT($cf_cv_sys_time_select) test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT) ])dnl dnl --------------------------------------------------------------------------- dnl Determine the type we should use for chtype (and attr_t, which is treated dnl as the same thing). We want around 32 bits, so on most machines want a dnl long, but on newer 64-bit machines, probably want an int. If we're using dnl wide characters, we have to have a type compatible with that, as well. AC_DEFUN([CF_TYPEOF_CHTYPE], [ AC_REQUIRE([CF_UNSIGNED_LITERALS]) AC_MSG_CHECKING([for type of chtype]) AC_CACHE_VAL(cf_cv_typeof_chtype,[ AC_TRY_RUN([ #ifdef USE_WIDEC_SUPPORT #include /* we want wchar_t */ #define WANT_BITS 39 #else #define WANT_BITS 31 #endif #include int main() { FILE *fp = fopen("cf_test.out", "w"); if (fp != 0) { char *result = "long"; #ifdef USE_WIDEC_SUPPORT /* * If wchar_t is smaller than a long, it must be an int or a * short. We prefer not to use a short anyway. */ if (sizeof(unsigned long) > sizeof(wchar_t)) result = "int"; #endif if (sizeof(unsigned long) > sizeof(unsigned int)) { int n; unsigned int x; for (n = 0; n < WANT_BITS; n++) { unsigned int y = (x >> n); if (y != 1 || x == 0) { x = 0; break; } } /* * If x is nonzero, an int is big enough for the bits * that we want. */ result = (x != 0) ? "int" : "long"; } fputs(result, fp); fclose(fp); } exit(0); } ], [cf_cv_typeof_chtype=`cat cf_test.out`], [cf_cv_typeof_chtype=long], [cf_cv_typeof_chtype=long]) rm -f cf_test.out ]) AC_MSG_RESULT($cf_cv_typeof_chtype) AC_SUBST(cf_cv_typeof_chtype) AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype) cf_cv_1UL="1" test "$cf_cv_unsigned_literals" = yes && cf_cv_1UL="${cf_cv_1UL}U" test "$cf_cv_typeof_chtype" = long && cf_cv_1UL="${cf_cv_1UL}L" AC_SUBST(cf_cv_1UL) ])dnl dnl --------------------------------------------------------------------------- dnl AC_DEFUN([CF_TYPE_SIGACTION], [ AC_MSG_CHECKING([for type sigaction_t]) AC_CACHE_VAL(cf_cv_type_sigaction,[ AC_TRY_COMPILE([ #include ], [sigaction_t x], [cf_cv_type_sigaction=yes], [cf_cv_type_sigaction=no])]) AC_MSG_RESULT($cf_cv_type_sigaction) test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION) ])dnl dnl --------------------------------------------------------------------------- dnl Test if the compiler supports 'U' and 'L' suffixes. Only old compilers dnl won't, but they're still there. AC_DEFUN([CF_UNSIGNED_LITERALS], [ AC_MSG_CHECKING([if unsigned literals are legal]) AC_CACHE_VAL(cf_cv_unsigned_literals,[ AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1], [cf_cv_unsigned_literals=yes], [cf_cv_unsigned_literals=no]) ]) AC_MSG_RESULT($cf_cv_unsigned_literals) ])dnl dnl --------------------------------------------------------------------------- dnl Make an uppercase version of a variable dnl $1=uppercase($2) AC_DEFUN([CF_UPPER], [ $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- dnl Use AC_VERBOSE w/o the warnings AC_DEFUN([CF_VERBOSE], [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG ])dnl dnl --------------------------------------------------------------------------- dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just dnl defaulting to yes/no. dnl dnl $1 = option name dnl $2 = help-text dnl $3 = environment variable to set dnl $4 = default value, shown in the help-message, must be a constant dnl $5 = default value, if it's an expression & cannot be in the help-message dnl AC_DEFUN([CF_WITH_PATH], [AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),, ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl CF_PATH_SYNTAX(withval) eval $3="$withval" AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- dnl Process an option specifying a list of colon-separated paths. dnl dnl $1 = option name dnl $2 = help-text dnl $3 = environment variable to set dnl $4 = default value, shown in the help-message, must be a constant dnl $5 = default value, if it's an expression & cannot be in the help-message dnl $6 = flag to tell if we want to define or substitute dnl AC_DEFUN([CF_WITH_PATHLIST],[ AC_REQUIRE([CF_PATHSEP]) AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),, ifelse($4,,[withval=${$3}],[withval=${$3-ifelse($5,,$4,$5)}]))dnl IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${PATHSEP}" cf_dst_path= for cf_src_path in $withval do CF_PATH_SYNTAX(cf_src_path) test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}:" cf_dst_path="${cf_dst_path}${cf_src_path}" done IFS="$ac_save_ifs" ifelse($6,define,[ # Strip single quotes from the value, e.g., when it was supplied as a literal # for $4 or $5. case $cf_dst_path in #(vi \'*) cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//` ;; esac cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'` ]) eval '$3="$cf_dst_path"' AC_SUBST($3)dnl ])dnl