1 # Configure script for libada.
2 # Copyright 2003, 2004, 2009 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; see the file COPYING3. If not see
16 # <http://www.gnu.org/licenses/>.
18 sinclude(../config/acx.m4)
19 sinclude(../config/multi.m4)
20 sinclude(../config/override.m4)
21 sinclude(../config/unwind_ipinfo.m4)
26 AC_CONFIG_SRCDIR([Makefile.in])
28 # Determine the host, build, and target systems
32 target_alias=${target_alias-$host_alias}
34 # Determine the noncanonical target name, for directory use.
35 ACX_NONCANONICAL_TARGET
37 # Determine the target- and build-specific subdirectories
40 # Command-line options.
41 # Very limited version of AC_MAINTAINER_MODE.
42 AC_ARG_ENABLE([maintainer-mode],
43 [AC_HELP_STRING([--enable-maintainer-mode],
44 [enable make rules and dependencies not useful (and
45 sometimes confusing) to the casual installer])],
46 [case ${enable_maintainer_mode} in
49 *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;;
51 maintainer_mode=${enableval}],
55 AM_ENABLE_MULTILIB(, ..)
56 # Calculate toolexeclibdir
57 # Also toolexecdir, though it's only used in toolexeclibdir
58 case ${enable_version_specific_runtime_libs} in
60 # Need the gcc compiler version to know where to install libraries
61 # and header files if --enable-version-specific-runtime-libs option
63 toolexecdir='$(libdir)/gcc/$(target_alias)'
64 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
67 if test -n "$with_cross_host" &&
68 test x"$with_cross_host" != x"no"; then
69 # Install a library built with a cross compiler in tooldir, not libdir.
70 toolexecdir='$(exec_prefix)/$(target_alias)'
71 toolexeclibdir='$(toolexecdir)/lib'
73 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
74 toolexeclibdir='$(libdir)'
76 multi_os_directory=`$CC -print-multi-os-directory`
77 case $multi_os_directory in
78 .) ;; # Avoid trailing /.
79 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
84 AC_SUBST(toolexeclibdir)
85 #TODO: toolexeclibdir is currently disregarded
88 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
89 # We must force CC to /not/ be precious variables; otherwise
90 # the wrong, non-multilib-adjusted value will be used in multilibs.
91 # As a side effect, we have to subst CFLAGS ourselves.
93 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
94 m4_define([_AC_ARG_VAR_PRECIOUS],[])
96 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
100 AC_ARG_ENABLE([shared],
101 [AC_HELP_STRING([--disable-shared],
102 [don't provide a shared libgnat])],
104 case $enable_shared in
108 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
109 for pkg in $enableval; do
118 ], [enable_shared=yes])
119 AC_SUBST([enable_shared])
121 # These must be passed down, or are needed by gcc/libgcc.mvars
125 # Determine what to build for 'gnatlib'
126 if test $build = $target \
127 && test ${enable_shared} = yes ; then
128 # Note that build=target is almost certainly the wrong test; FIXME
129 default_gnatlib_target="gnatlib-shared"
131 default_gnatlib_target="gnatlib-plain"
133 AC_SUBST([default_gnatlib_target])
135 # Check for _Unwind_GetIPInfo
136 GCC_CHECK_UNWIND_GETIPINFO
138 if test x$have_unwind_getipinfo = xyes; then
139 have_getipinfo=-DHAVE_GETIPINFO
141 AC_SUBST(have_getipinfo)
144 if test "x$GCC" = "xyes"; then
145 warn_cflags='$(GCC_WARN_CFLAGS)'
147 AC_SUBST(warn_cflags)
149 # Output: create a Makefile.
150 AC_CONFIG_FILES([Makefile])