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 Checks for header files.
64 # Sanity check for the cross-compilation case:
65 AC_CHECK_HEADER(stdio.h,:,
66 [AC_MSG_ERROR([Can't find stdio.h.
67 You must have a usable C system for the target already installed, at least
68 including headers and, preferably, the library, before you can configure
69 the Objective C runtime system. If necessary, install gcc now with
70 \`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])])
74 AC_CHECK_HEADERS(sched.h)
76 # Determine CFLAGS for gthread.
78 AC_CACHE_CHECK([for gthread cflags],objc_cv_gthread_flags,
79 [if test -f "$r"/gcc/Makefile
81 objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
83 AC_MSG_ERROR([not found])
85 GTHREAD_FLAGS=$objc_cv_gthread_flags
86 AC_SUBST(GTHREAD_FLAGS)
88 AC_ARG_ENABLE(objc-gc,
89 [ --enable-objc-gc enable the use of Boehm's garbage collector with
90 the GNU Objective-C runtime.],
91 if [[[ x$enable_objc_gc = xno ]]]; then
94 OBJC_BOEHM_GC=libobjc_gc.la
97 AC_SUBST(OBJC_BOEHM_GC)
100 # We need multilib support, but only if configuring for the target.
102 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
103 if test -n "$CONFIG_FILES"; then
104 if test -n "${with_target_subdir}"; then
105 # FIXME: We shouldn't need to set ac_file
107 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
108 . ${toplevel_srcdir}/config-ml.in
114 with_target_subdir=${with_target_subdir}
115 with_multisubdir=${with_multisubdir}
116 ac_configure_args="--enable-multilib ${ac_configure_args}"
117 toplevel_srcdir=${toplevel_srcdir}
118 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
119 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
124 dnl comment-start: "dnl "
126 dnl comment-start-skip: "\\bdnl\\b\\s *"