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_REVISION([for Readline 4.1, version 2.22, from autoconf version] AC_ACVERSION)
+LIBVERSION=4.1
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)
+dnl AC_CONFIG_AUX_DIR(./support)
AC_CANONICAL_HOST
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
AC_PROG_CC
+dnl AC_AIX
AC_MINIX
-
dnl BEGIN changes for CYGNUS cross-building for Cygwin
dnl load up the cross-building cache file -- add more cases and cache
if test "x$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}"
- . ${cross_cache}
- fi
- unset cross_cache
- ;;
- *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&
-2
- ;;
+ cross_cache=${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${srcdir}/../libtermcap"
+ unset cross_cache
+ ;;
+ *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
+ ;;
esac
fi
dnl END changes for CYGNUS cross-building for Cygwin
-
-
# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
+AC_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 "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB
+MAKE_SHELL=/bin/sh
+AC_SUBST(MAKE_SHELL)
+
AC_RETSIGTYPE
AC_HEADER_STAT
AC_HEADER_DIRENT
-AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
+AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
+ strcasecmp tcgetattr)
AC_FUNC_STRCOLL
case "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
+*s390*) LOCAL_CFLAGS=-fsigned-char ;;
esac
case "$host_os" in
isc*) LOCAL_CFLAGS=-Disc386 ;;
esac
-BUILD_DIR=`pwd`
+# 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_LDFLAGS)
AC_SUBST(LOCAL_DEFS)
+AC_SUBST(AR)
+AC_SUBST(ARFLAGS)
+
AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(TERMCAP_LIB)
-AC_OUTPUT([Makefile doc/Makefile examples/Makefile],
+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