1 # Process this file with autoconf to produce a configure script.
2 # Copyright (C) 1995, 1997, 1998, 1999, 2002, 2003
3 # Free Software Foundation, Inc.
4 # Contributed by Dave Love (d.love@dl.ac.uk).
6 #This file is part of GNU Objective C.
8 #GNU Objective C is free software; you can redistribute it and/or modify
9 #it under the terms of the GNU General Public License as published by
10 #the Free Software Foundation; either version 2, or (at your option)
13 #GNU Objective C is distributed in the hope that it will be useful,
14 #but WITHOUT ANY WARRANTY; without even the implied warranty of
15 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 #GNU General Public License for more details.
18 #You should have received a copy of the GNU General Public License
19 #along with GNU Objective C; see the file COPYING. If not, write to
20 #the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 AC_CONFIG_HEADER(config.h)
27 # This works around the fact that libtool configuration may change LD
28 # for this particular configuration, but some shells, instead of
29 # keeping the changes in LD private, export them just because LD is
31 ORIGINAL_LD_FOR_MULTILIBS=$LD
33 GLIBCPP_TOPREL_CONFIGURE
36 target_alias=${target_alias-$target}
37 AC_SUBST(target_alias)
40 GLIBCPP_EXPORT_INSTALL_INFO
42 dnl Checks for programs.
44 # Disable shared libs by default
46 # Enable Win32 DLL on MS Windows - FIXME
51 dnl These should be inherited in the recursive make, but ensure they are
55 if test "$RANLIB"; then :
63 dnl we need the following definitions because AC_PROG_LIBTOOL relies on them
65 dnl version is pulled out to make it a bit easier to change using sed.
69 dnl Checks for header files.
70 # Sanity check for the cross-compilation case:
71 AC_CHECK_HEADER(stdio.h,:,
72 [AC_MSG_ERROR([Can't find stdio.h.
73 You must have a usable C system for the target already installed, at least
74 including headers and, preferably, the library, before you can configure
75 the Objective C runtime system. If necessary, install gcc now with
76 \`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])])
80 AC_CHECK_HEADERS(sched.h)
82 # Determine CFLAGS for gthread.
84 AC_CACHE_CHECK([for gthread cflags],objc_cv_gthread_flags,
85 [if test -f "$r"/gcc/Makefile
87 objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
89 AC_MSG_ERROR([not found])
91 GTHREAD_FLAGS=$objc_cv_gthread_flags
92 AC_SUBST(GTHREAD_FLAGS)
94 AC_ARG_ENABLE(objc-gc,
95 [ --enable-objc-gc enable the use of Boehm's garbage collector with
96 the GNU Objective-C runtime.],
97 if [[[ x$enable_objc_gc = xno ]]]; then
100 OBJC_BOEHM_GC=libobjc_gc.la
103 AC_SUBST(OBJC_BOEHM_GC)
106 # We need multilib support, but only if configuring for the target.
108 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
109 if test -n "$CONFIG_FILES"; then
110 if test -n "${with_target_subdir}"; then
111 # FIXME: We shouldn't need to set ac_file
113 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
114 . ${toplevel_srcdir}/config-ml.in
120 with_target_subdir=${with_target_subdir}
121 with_multisubdir=${with_multisubdir}
122 ac_configure_args="--enable-multilib ${ac_configure_args}"
123 toplevel_srcdir=${toplevel_srcdir}
124 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
125 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
130 dnl comment-start: "dnl "
132 dnl comment-start-skip: "\\bdnl\\b\\s *"