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dnl
dnl Configure script for readline library
dnl
dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.
AC_REVISION([for Readline 4.2, version 2.26, from autoconf version] AC_ACVERSION)
LIBVERSION=4.2
AC_INIT(readline.h)
AC_CONFIG_HEADER(config.h)
dnl make sure we are using a recent autoconf version
AC_PREREQ(2.10)
AC_CONFIG_AUX_DIR(./support)
AC_CANONICAL_HOST
dnl configure defaults
opt_curses=no
opt_shared=no
dnl arguments to configure
AC_ARG_WITH(curses, --with-curses use the curses library instead of the termcap library,opt_curses=$withval)
if test "$opt_curses" = "yes"; then
prefer_curses=yes
fi
# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
AC_PROG_MAKE_SET
AC_PROG_CC
dnl AC_AIX
AC_MINIX
# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB
MAKE_SHELL=/bin/sh
AC_SUBST(MAKE_SHELL)
AC_RETSIGTYPE
AC_HEADER_STAT
AC_HEADER_DIRENT
AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
strcasecmp tcgetattr)
AC_FUNC_STRCOLL
AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
termcap.h termios.h termio.h sys/file.h locale.h)
BASH_SIGNAL_CHECK
BASH_REINSTALL_SIGHANDLERS
BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
BASH_CHECK_GETPW_FUNCS
BASH_FUNC_STRCOLL
BASH_TYPE_SIGHANDLER
BASH_HAVE_TIOCGWINSZ
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
BASH_MISC_SPEED_T
BASH_STRUCT_WINSIZE
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO
dnl yuck
case "$host_os" in
aix*) prefer_curses=yes ;;
esac
BASH_CHECK_LIB_TERMCAP
if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
TERMCAP_LIB=-ltermcap #default
fi
case "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
*s390*) LOCAL_CFLAGS=-fsigned-char ;;
esac
case "$host_os" in
isc*) LOCAL_CFLAGS=-Disc386 ;;
esac
# shared library configuration section
#
# Shared object configuration section. These values are generated by
# ${srcdir}/support/shobj-conf
#
if test -f ${srcdir}/support/shobj-conf; then
AC_MSG_CHECKING(configuration for building shared libraries)
eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
AC_SUBST(SHOBJ_CC)
AC_SUBST(SHOBJ_CFLAGS)
AC_SUBST(SHOBJ_LD)
AC_SUBST(SHOBJ_LDFLAGS)
AC_SUBST(SHOBJ_XLDFLAGS)
AC_SUBST(SHOBJ_LIBS)
AC_SUBST(SHOBJ_STATUS)
AC_SUBST(SHLIB_STATUS)
AC_SUBST(SHLIB_XLDFLAGS)
AC_SUBST(SHLIB_LIBSUFF)
AC_SUBST(SHLIB_LIBVERSION)
AC_SUBST(SHLIB_LIBS)
AC_MSG_RESULT($SHLIB_STATUS)
# shared library versioning
# quoted for m4 so I can use character classes
SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
AC_SUBST(SHLIB_MAJOR)
AC_SUBST(SHLIB_MINOR)
fi
case "$host_os" in
msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file
*) BUILD_DIR=`pwd` ;;
esac
AC_SUBST(BUILD_DIR)
AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)
AC_SUBST(AR)
AC_SUBST(ARFLAGS)
AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(LIBVERSION)
AC_SUBST(TERMCAP_LIB)
AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])
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