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comparison config/multi.m4 @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 ## -*- Autoconf -*-
2 # Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006
3 # Free Software Foundation, Inc.
4 #
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
8
9 # serial 6
10
11 # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
12 # ---------------------------------------------------
13 # Add --enable-multilib to configure.
14 AC_DEFUN([AM_ENABLE_MULTILIB],
15 [# Default to --enable-multilib
16 AC_ARG_ENABLE(multilib,
17 [ --enable-multilib build many library versions (default)],
18 [case "$enableval" in
19 yes) multilib=yes ;;
20 no) multilib=no ;;
21 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
22 esac],
23 [multilib=yes])
24
25 # We may get other options which we leave undocumented:
26 # --with-target-subdir, --with-multisrctop, --with-multisubdir
27 # See config-ml.in if you want the gory details.
28
29 if test "$srcdir" = "."; then
30 if test "$with_target_subdir" != "."; then
31 multi_basedir="$srcdir/$with_multisrctop../$2"
32 else
33 multi_basedir="$srcdir/$with_multisrctop$2"
34 fi
35 else
36 multi_basedir="$srcdir/$2"
37 fi
38 AC_SUBST(multi_basedir)
39
40 # Even if the default multilib is not a cross compilation,
41 # it may be that some of the other multilibs are.
42 if test $cross_compiling = no && test $multilib = yes \
43 && test "x${with_multisubdir}" != x ; then
44 cross_compiling=maybe
45 fi
46
47 AC_OUTPUT_COMMANDS([
48 # Only add multilib support code if we just rebuilt the top-level
49 # Makefile.
50 case " $CONFIG_FILES " in
51 *" ]m4_default([$1],Makefile)[ "*)
52 ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
53 ;;
54 esac],
55 [
56 srcdir="$srcdir"
57 host="$host"
58 target="$target"
59 with_multisubdir="$with_multisubdir"
60 with_multisrctop="$with_multisrctop"
61 with_target_subdir="$with_target_subdir"
62 ac_configure_args="${multilib_arg} ${ac_configure_args}"
63 multi_basedir="$multi_basedir"
64 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
65 CC="$CC"])])dnl