# Process this file with autoconf to produce a configure script.
-# Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
+# Copyright (C) 1995, 1997, 1998, 1999, 2002, 2003
+# Free Software Foundation, Inc.
# Contributed by Dave Love (d.love@dl.ac.uk).
#
#This file is part of GNU Objective C.
AC_INIT(objc/objc.h)
AC_CONFIG_HEADER(config.h)
-if test "${srcdir}" = "." ; then
- if test "${with_target_subdir}" != "." ; then
- topsrcdir=${with_multisrctop}../..
- else
- topsrcdir=${with_multisrctop}..
- fi
-else
- topsrcdir=${srcdir}/..
-fi
-dnl This is needed for a multilibbed build in the source tree so
-dnl that install-sh and config.sub get found.
-AC_CONFIG_AUX_DIR($topsrcdir)
-
-# If the language specific compiler does not exist, but the "gcc" directory
-# does, we do not build anything. Note, $r is set by the top-level Makefile.
-# Note that when we look for the compiler, we search both with and without
-# extension to handle cross and canadian cross builds.
-compiler_name=cc1obj
-rm -f skip-this-dir
-AC_MSG_CHECKING(if compiler $compiler_name has been built)
-AC_CACHE_VAL(objc_cv_compiler_exists,
-[objc_cv_compiler_exists=yes
-if test -n "$r"; then
- if test -d "$r"/gcc; then
- if test -f "$r"/gcc/$compiler_name \
- || test -f "$r"/gcc/$compiler_name.exe; then
- true
- else
- objc_cv_compiler_exists=no
- echo "rm -f config.cache config.log multilib.out" > skip-this-dir
- fi
- fi
-fi
-])
-AC_MSG_RESULT($objc_cv_compiler_exists)
-if test x$objc_cv_compiler_exists = xno
-then
- rm -f Makefile conftest* confdefs* core
- exit 0
-fi
+# This works around the fact that libtool configuration may change LD
+# for this particular configuration, but some shells, instead of
+# keeping the changes in LD private, export them just because LD is
+# exported.
+ORIGINAL_LD_FOR_MULTILIBS=$LD
+
+GLIBCPP_TOPREL_CONFIGURE
+
+AC_CANONICAL_SYSTEM
+target_alias=${target_alias-$target}
+AC_SUBST(target_alias)
+
+GLIBCPP_CONFIGURE(.)
+GLIBCPP_EXPORT_INSTALL_INFO
dnl Checks for programs.
-dnl FIXME AC_PROG_CC wants CC to be able to link things, but it may
-dnl not be able to.
-define([AC_PROG_CC_WORKS],[])
+# Disable shared libs by default
+AC_DISABLE_SHARED
+# Enable Win32 DLL on MS Windows - FIXME
+AC_LIBTOOL_WIN32_DLL
-# For ObjC we'll set CC to point at the built gcc, but this will get it into
-# the makefiles
-AC_PROG_CC
+AC_PROG_LIBTOOL
+dnl These should be inherited in the recursive make, but ensure they are
+dnl defined:
test "$AR" || AR=ar
AC_SUBST(AR)
if test "$RANLIB"; then :
AC_PROG_RANLIB
fi
AC_PROG_INSTALL
-
-# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which cant create executables. So we include AC_EXEEXT to keep
-# automake happy, but we dont execute it, since we dont care about
-# the result.
-if false; then
- # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
- # to nothing, so nothing would remain between `then' and `fi' if it
- # were not for the `:' below.
- :
- AC_EXEEXT
-fi
-
-dnl Checks for libraries.
+AC_PROG_MAKE_SET
dnl Checks for header files.
# Sanity check for the cross-compilation case:
GTHREAD_FLAGS=$objc_cv_gthread_flags
AC_SUBST(GTHREAD_FLAGS)
-# Disable shared libs by default
-AC_DISABLE_SHARED
-# Enable Win32 DLL on MS Windows - FIXME
-AC_LIBTOOL_WIN32_DLL
-# Use libtool
-AC_PROG_LIBTOOL
-
AC_ARG_ENABLE(objc-gc,
[ --enable-objc-gc enable the use of Boehm's garbage collector with
the GNU Objective-C runtime.],
# We need multilib support, but only if configuring for the target.
AC_OUTPUT(Makefile,
-[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
+ [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
if test -n "$CONFIG_FILES"; then
if test -n "${with_target_subdir}"; then
# FIXME: We shouldn't need to set ac_file
ac_file=Makefile
- . ${topsrcdir}/config-ml.in
+ LD="${ORIGINAL_LD_FOR_MULTILIBS}"
+ . ${toplevel_srcdir}/config-ml.in
fi
fi],
srcdir=${srcdir}
with_target_subdir=${with_target_subdir}
with_multisubdir=${with_multisubdir}
ac_configure_args="--enable-multilib ${ac_configure_args}"
+toplevel_srcdir=${toplevel_srcdir}
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
-topsrcdir=${topsrcdir}
+ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
)
+
dnl Local Variables:
dnl comment-start: "dnl "
dnl comment-end: ""
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