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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 2.2, version 2.07, from autoconf version] AC_ACVERSION)
LIBVERSION=2.2
AC_INIT(readline.h)
AC_CONFIG_HEADER(config.h)
dnl make sure we are using a recent autoconf version
AC_PREREQ(2.10)
dnl 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 "$CFLAGS" && CFLAGS=-g auto_cflags=1
AC_PROG_CC
AC_MINIX
dnl BEGIN changes for CYGNUS cross-building for Cygwin
dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary
if test "x$cross_compiling" = "xyes"; then
case "${host}" in
*-cygwin*)
cross_cache=${srcdir}/cross-build/cygwin.cache
if test -r "${cross_cache}"; then
echo "loading cross-build cache file ${cross_cache}"
. ${cross_cache}
fi
LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
unset cross_cache
;;
*) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
;;
esac
fi
if test "x$cross_compiling" = "xyes"; then
CROSS_COMPILING_FLAG=-DCROSS_COMPILING
else
CROSS_COMPILING_FLAG=
fi
AC_SUBST(CROSS_COMPILING_FLAG)
if test -z "$CC_FOR_BUILD"; then
if test "x$cross_compiling" = "xno"; then
CC_FOR_BUILD='$(CC)'
else
CC_FOR_BUILD=gcc
fi
fi
AC_SUBST(CC_FOR_BUILD)
dnl END changes for CYGNUS cross-building for Cygwin
# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_RETSIGTYPE
AC_HEADER_STAT
AC_HEADER_DIRENT
AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
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 "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
esac
case "$host_os" in
isc*) LOCAL_CFLAGS=-Disc386 ;;
esac
BUILD_DIR=`pwd`
AC_SUBST(BUILD_DIR)
AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)
AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(LIBVERSION)
AC_SUBST(TERMCAP_LIB)
AC_OUTPUT([Makefile doc/Makefile examples/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])
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