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b0b70d84 | 1 | # Configure script for libada. |
748086b7 | 2 | # Copyright 2003, 2004, 2009 Free Software Foundation, Inc. |
b0b70d84 AC |
3 | # |
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 | |
748086b7 | 6 | # the Free Software Foundation; either version 3 of the License, or |
b0b70d84 AC |
7 | # (at your option) any later version. |
8 | # | |
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. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
748086b7 JJ |
15 | # along with this program; see the file COPYING3. If not see |
16 | # <http://www.gnu.org/licenses/>. | |
b0b70d84 | 17 | |
18c04407 | 18 | sinclude(../config/acx.m4) |
05682af8 | 19 | sinclude(../config/multi.m4) |
18c04407 RW |
20 | sinclude(../config/override.m4) |
21 | ||
215cae7b | 22 | AC_INIT |
df58e648 | 23 | AC_PREREQ([2.64]) |
b0b70d84 | 24 | |
80dab182 NN |
25 | AC_CONFIG_SRCDIR([Makefile.in]) |
26 | ||
9bd6112c PB |
27 | # Determine the host, build, and target systems |
28 | AC_CANONICAL_BUILD | |
29 | AC_CANONICAL_HOST | |
30 | AC_CANONICAL_TARGET | |
05682af8 | 31 | target_alias=${target_alias-$host_alias} |
9bd6112c PB |
32 | |
33 | # Determine the noncanonical target name, for directory use. | |
34 | ACX_NONCANONICAL_TARGET | |
35 | ||
36 | # Determine the target- and build-specific subdirectories | |
37 | GCC_TOPLEV_SUBDIRS | |
38 | ||
80dab182 | 39 | # Command-line options. |
b0b70d84 | 40 | # Very limited version of AC_MAINTAINER_MODE. |
80dab182 NN |
41 | AC_ARG_ENABLE([maintainer-mode], |
42 | [AC_HELP_STRING([--enable-maintainer-mode], | |
b0b70d84 | 43 | [enable make rules and dependencies not useful (and |
80dab182 | 44 | sometimes confusing) to the casual installer])], |
b0b70d84 AC |
45 | [case ${enable_maintainer_mode} in |
46 | yes) MAINT='' ;; | |
47 | no) MAINT='#' ;; | |
48 | *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;; | |
49 | esac | |
50 | maintainer_mode=${enableval}], | |
51 | [MAINT='#']) | |
52 | AC_SUBST([MAINT])dnl | |
53 | ||
7193e639 LG |
54 | AM_ENABLE_MULTILIB(, ..) |
55 | # Calculate toolexeclibdir | |
56 | # Also toolexecdir, though it's only used in toolexeclibdir | |
57 | case ${enable_version_specific_runtime_libs} in | |
58 | yes) | |
59 | # Need the gcc compiler version to know where to install libraries | |
60 | # and header files if --enable-version-specific-runtime-libs option | |
61 | # is selected. | |
62 | toolexecdir='$(libdir)/gcc/$(target_alias)' | |
63 | toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' | |
64 | ;; | |
65 | no) | |
66 | if test -n "$with_cross_host" && | |
67 | test x"$with_cross_host" != x"no"; then | |
68 | # Install a library built with a cross compiler in tooldir, not libdir. | |
69 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
70 | toolexeclibdir='$(toolexecdir)/lib' | |
71 | else | |
72 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
73 | toolexeclibdir='$(libdir)' | |
74 | fi | |
75 | multi_os_directory=`$CC -print-multi-os-directory` | |
76 | case $multi_os_directory in | |
77 | .) ;; # Avoid trailing /. | |
78 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
79 | esac | |
80 | ;; | |
81 | esac | |
82 | AC_SUBST(toolexecdir) | |
83 | AC_SUBST(toolexeclibdir) | |
84 | #TODO: toolexeclibdir is currently disregarded | |
85 | ||
86 | # Check the compiler. | |
87 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
88 | # We must force CC to /not/ be precious variables; otherwise | |
89 | # the wrong, non-multilib-adjusted value will be used in multilibs. | |
90 | # As a side effect, we have to subst CFLAGS ourselves. | |
91 | ||
92 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
93 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
94 | AC_PROG_CC | |
1b3b24c2 | 95 | m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
7193e639 LG |
96 | |
97 | AC_SUBST(CFLAGS) | |
98 | ||
80dab182 NN |
99 | AC_ARG_ENABLE([shared], |
100 | [AC_HELP_STRING([--disable-shared], | |
101 | [don't provide a shared libgnat])], | |
102 | [ | |
103 | case $enable_shared in | |
b0b70d84 AC |
104 | yes | no) ;; |
105 | *) | |
106 | enable_shared=no | |
107 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
108 | for pkg in $enableval; do | |
80dab182 NN |
109 | case $pkg in |
110 | ada | libada) | |
111 | enable_shared=yes ;; | |
112 | esac | |
b0b70d84 AC |
113 | done |
114 | IFS="$ac_save_ifs" | |
115 | ;; | |
80dab182 | 116 | esac |
b0b70d84 | 117 | ], [enable_shared=yes]) |
80dab182 NN |
118 | AC_SUBST([enable_shared]) |
119 | ||
c390c361 PB |
120 | # These must be passed down, or are needed by gcc/libgcc.mvars |
121 | AC_PROG_AWK | |
80dab182 NN |
122 | AC_PROG_LN_S |
123 | ||
80dab182 NN |
124 | # Determine what to build for 'gnatlib' |
125 | if test $build = $target \ | |
126 | && test ${enable_shared} = yes ; then | |
127 | # Note that build=target is almost certainly the wrong test; FIXME | |
128 | default_gnatlib_target="gnatlib-shared" | |
129 | else | |
f206bf50 | 130 | default_gnatlib_target="gnatlib-plain" |
80dab182 NN |
131 | fi |
132 | AC_SUBST([default_gnatlib_target]) | |
d743b2b6 | 133 | |
47ad7893 PB |
134 | warn_cflags= |
135 | if test "x$GCC" = "xyes"; then | |
136 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
137 | fi | |
138 | AC_SUBST(warn_cflags) | |
139 | ||
80dab182 NN |
140 | # Output: create a Makefile. |
141 | AC_CONFIG_FILES([Makefile]) | |
b0b70d84 AC |
142 | |
143 | AC_OUTPUT |