[14547] | 1 | # Process this file with autoconf to produce a configure script. |
---|
[18473] | 2 | # Copyright (C) 1995, 1997, 1998, 1999, 2002 Free Software Foundation, Inc. |
---|
[14547] | 3 | # Contributed by Dave Love (d.love@dl.ac.uk). |
---|
| 4 | # |
---|
| 5 | #This file is part of GNU Objective C. |
---|
| 6 | # |
---|
| 7 | #GNU Objective C is free software; you can redistribute it and/or modify |
---|
| 8 | #it under the terms of the GNU General Public License as published by |
---|
| 9 | #the Free Software Foundation; either version 2, or (at your option) |
---|
| 10 | #any later version. |
---|
| 11 | # |
---|
| 12 | #GNU Objective C is distributed in the hope that it will be useful, |
---|
| 13 | #but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 14 | #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 15 | #GNU General Public License for more details. |
---|
| 16 | # |
---|
| 17 | #You should have received a copy of the GNU General Public License |
---|
| 18 | #along with GNU Objective C; see the file COPYING. If not, write to |
---|
| 19 | #the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
---|
| 20 | #02111-1307, USA. |
---|
| 21 | |
---|
| 22 | AC_PREREQ(2.13) |
---|
| 23 | AC_INIT(objc/objc.h) |
---|
[16959] | 24 | AC_CONFIG_HEADER(config.h) |
---|
[14547] | 25 | |
---|
[18473] | 26 | # This works around the fact that libtool configuration may change LD |
---|
| 27 | # for this particular configuration, but some shells, instead of |
---|
| 28 | # keeping the changes in LD private, export them just because LD is |
---|
| 29 | # exported. |
---|
| 30 | ORIGINAL_LD_FOR_MULTILIBS=$LD |
---|
[14547] | 31 | |
---|
[18473] | 32 | GLIBCPP_TOPREL_CONFIGURE |
---|
| 33 | |
---|
| 34 | AC_CANONICAL_SYSTEM |
---|
| 35 | target_alias=${target_alias-$target} |
---|
| 36 | AC_SUBST(target_alias) |
---|
| 37 | |
---|
| 38 | GLIBCPP_CONFIGURE(.) |
---|
| 39 | GLIBCPP_EXPORT_INSTALL_INFO |
---|
| 40 | |
---|
[14547] | 41 | # If the language specific compiler does not exist, but the "gcc" directory |
---|
| 42 | # does, we do not build anything. Note, $r is set by the top-level Makefile. |
---|
| 43 | # Note that when we look for the compiler, we search both with and without |
---|
| 44 | # extension to handle cross and canadian cross builds. |
---|
| 45 | compiler_name=cc1obj |
---|
| 46 | rm -f skip-this-dir |
---|
| 47 | AC_MSG_CHECKING(if compiler $compiler_name has been built) |
---|
| 48 | AC_CACHE_VAL(objc_cv_compiler_exists, |
---|
| 49 | [objc_cv_compiler_exists=yes |
---|
| 50 | if test -n "$r"; then |
---|
| 51 | if test -d "$r"/gcc; then |
---|
| 52 | if test -f "$r"/gcc/$compiler_name \ |
---|
| 53 | || test -f "$r"/gcc/$compiler_name.exe; then |
---|
| 54 | true |
---|
| 55 | else |
---|
| 56 | objc_cv_compiler_exists=no |
---|
| 57 | echo "rm -f config.cache config.log multilib.out" > skip-this-dir |
---|
| 58 | fi |
---|
| 59 | fi |
---|
| 60 | fi |
---|
| 61 | ]) |
---|
| 62 | AC_MSG_RESULT($objc_cv_compiler_exists) |
---|
| 63 | if test x$objc_cv_compiler_exists = xno |
---|
| 64 | then |
---|
| 65 | rm -f Makefile conftest* confdefs* core |
---|
| 66 | exit 0 |
---|
| 67 | fi |
---|
| 68 | |
---|
| 69 | dnl Checks for programs. |
---|
[16959] | 70 | |
---|
[18473] | 71 | # Disable shared libs by default |
---|
| 72 | AC_DISABLE_SHARED |
---|
| 73 | # Enable Win32 DLL on MS Windows - FIXME |
---|
| 74 | AC_LIBTOOL_WIN32_DLL |
---|
[16959] | 75 | |
---|
[18473] | 76 | AC_PROG_LIBTOOL |
---|
[14547] | 77 | |
---|
[18473] | 78 | dnl These should be inherited in the recursive make, but ensure they are |
---|
| 79 | dnl defined: |
---|
[14547] | 80 | test "$AR" || AR=ar |
---|
| 81 | AC_SUBST(AR) |
---|
| 82 | if test "$RANLIB"; then : |
---|
| 83 | AC_SUBST(RANLIB) |
---|
| 84 | else |
---|
| 85 | AC_PROG_RANLIB |
---|
| 86 | fi |
---|
| 87 | AC_PROG_INSTALL |
---|
[18473] | 88 | AC_PROG_MAKE_SET |
---|
[14547] | 89 | |
---|
| 90 | dnl Checks for header files. |
---|
| 91 | # Sanity check for the cross-compilation case: |
---|
| 92 | AC_CHECK_HEADER(stdio.h,:, |
---|
| 93 | [AC_MSG_ERROR([Can't find stdio.h. |
---|
| 94 | You must have a usable C system for the target already installed, at least |
---|
| 95 | including headers and, preferably, the library, before you can configure |
---|
| 96 | the Objective C runtime system. If necessary, install gcc now with |
---|
| 97 | \`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])]) |
---|
| 98 | |
---|
| 99 | AC_HEADER_STDC |
---|
| 100 | |
---|
[16959] | 101 | AC_CHECK_HEADERS(sched.h) |
---|
[14547] | 102 | |
---|
[16959] | 103 | # Determine CFLAGS for gthread. |
---|
| 104 | |
---|
| 105 | AC_CACHE_CHECK([for gthread cflags],objc_cv_gthread_flags, |
---|
[14547] | 106 | [if test -f "$r"/gcc/Makefile |
---|
| 107 | then |
---|
[16959] | 108 | objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'` |
---|
[14547] | 109 | else |
---|
| 110 | AC_MSG_ERROR([not found]) |
---|
| 111 | fi]) |
---|
[16959] | 112 | GTHREAD_FLAGS=$objc_cv_gthread_flags |
---|
| 113 | AC_SUBST(GTHREAD_FLAGS) |
---|
[14547] | 114 | |
---|
| 115 | AC_ARG_ENABLE(objc-gc, |
---|
| 116 | [ --enable-objc-gc enable the use of Boehm's garbage collector with |
---|
| 117 | the GNU Objective-C runtime.], |
---|
| 118 | if [[[ x$enable_objc_gc = xno ]]]; then |
---|
| 119 | OBJC_BOEHM_GC='' |
---|
| 120 | else |
---|
[16959] | 121 | OBJC_BOEHM_GC=libobjc_gc.la |
---|
[14547] | 122 | fi, |
---|
| 123 | OBJC_BOEHM_GC='') |
---|
| 124 | AC_SUBST(OBJC_BOEHM_GC) |
---|
| 125 | |
---|
| 126 | |
---|
| 127 | # We need multilib support, but only if configuring for the target. |
---|
| 128 | AC_OUTPUT(Makefile, |
---|
[18473] | 129 | [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h |
---|
[14547] | 130 | if test -n "$CONFIG_FILES"; then |
---|
| 131 | if test -n "${with_target_subdir}"; then |
---|
| 132 | # FIXME: We shouldn't need to set ac_file |
---|
| 133 | ac_file=Makefile |
---|
[18473] | 134 | LD="${ORIGINAL_LD_FOR_MULTILIBS}" |
---|
| 135 | . ${toplevel_srcdir}/config-ml.in |
---|
[14547] | 136 | fi |
---|
| 137 | fi], |
---|
| 138 | srcdir=${srcdir} |
---|
| 139 | host=${host} |
---|
| 140 | target=${target} |
---|
| 141 | with_target_subdir=${with_target_subdir} |
---|
| 142 | with_multisubdir=${with_multisubdir} |
---|
| 143 | ac_configure_args="--enable-multilib ${ac_configure_args}" |
---|
[18473] | 144 | toplevel_srcdir=${toplevel_srcdir} |
---|
[14547] | 145 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} |
---|
| 146 | ) |
---|
| 147 | |
---|
[18473] | 148 | |
---|
[14547] | 149 | dnl Local Variables: |
---|
| 150 | dnl comment-start: "dnl " |
---|
| 151 | dnl comment-end: "" |
---|
| 152 | dnl comment-start-skip: "\\bdnl\\b\\s *" |
---|
| 153 | dnl End: |
---|