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).
5#
6#This file is part of GNU Objective C.
7#
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)
11#any later version.
12#
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.
17#
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
21#02111-1307, USA.
22
23AC_PREREQ(2.13)
24AC_INIT(objc/objc.h)
25AC_CONFIG_HEADER(config.h)
26
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
30# exported.
31ORIGINAL_LD_FOR_MULTILIBS=$LD
32
33GLIBCPP_TOPREL_CONFIGURE
34
35AC_CANONICAL_SYSTEM
36target_alias=${target_alias-$target}
37AC_SUBST(target_alias)
38
39GLIBCPP_CONFIGURE(.)
40GLIBCPP_EXPORT_INSTALL_INFO
41
42dnl Checks for programs.
43
44# Disable shared libs by default
45AC_DISABLE_SHARED
46# Enable Win32 DLL on MS Windows - FIXME
47AC_LIBTOOL_WIN32_DLL
48
49AC_PROG_LIBTOOL
50
51dnl These should be inherited in the recursive make, but ensure they are
52dnl defined:
53test "$AR" || AR=ar
54AC_SUBST(AR)
55if test "$RANLIB"; then :
56  AC_SUBST(RANLIB)
57else
58  AC_PROG_RANLIB
59fi
60AC_PROG_INSTALL
61AC_PROG_MAKE_SET
62
63dnl Checks for header files.
64# Sanity check for the cross-compilation case:
65AC_CHECK_HEADER(stdio.h,:,
66  [AC_MSG_ERROR([Can't find stdio.h.
67You must have a usable C system for the target already installed, at least
68including headers and, preferably, the library, before you can configure
69the Objective C runtime system.  If necessary, install gcc now with
70\`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])])
71
72AC_HEADER_STDC
73
74AC_CHECK_HEADERS(sched.h)
75
76# Determine CFLAGS for gthread.
77
78AC_CACHE_CHECK([for gthread cflags],objc_cv_gthread_flags,
79[if test -f "$r"/gcc/Makefile
80then
81  objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
82else
83  AC_MSG_ERROR([not found])
84fi])
85GTHREAD_FLAGS=$objc_cv_gthread_flags
86AC_SUBST(GTHREAD_FLAGS)
87
88AC_ARG_ENABLE(objc-gc,
89[  --enable-objc-gc       enable the use of Boehm's garbage collector with
90                          the GNU Objective-C runtime.],
91if [[[ x$enable_objc_gc = xno ]]]; then
92        OBJC_BOEHM_GC=''
93else
94        OBJC_BOEHM_GC=libobjc_gc.la
95fi,
96OBJC_BOEHM_GC='')
97AC_SUBST(OBJC_BOEHM_GC)
98
99
100# We need multilib support, but only if configuring for the target.
101AC_OUTPUT(Makefile,
102 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
103if test -n "$CONFIG_FILES"; then
104  if test -n "${with_target_subdir}"; then
105    # FIXME: We shouldn't need to set ac_file
106    ac_file=Makefile
107    LD="${ORIGINAL_LD_FOR_MULTILIBS}"
108    . ${toplevel_srcdir}/config-ml.in
109  fi
110fi],
111srcdir=${srcdir}
112host=${host}
113target=${target}
114with_target_subdir=${with_target_subdir}
115with_multisubdir=${with_multisubdir}
116ac_configure_args="--enable-multilib ${ac_configure_args}"
117toplevel_srcdir=${toplevel_srcdir}
118CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
119ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
120)
121
122
123dnl Local Variables:
124dnl comment-start: "dnl "
125dnl comment-end: ""
126dnl comment-start-skip: "\\bdnl\\b\\s *"
127dnl End:
128