]>
Commit | Line | Data |
---|---|---|
1 | # Configure script for libada. | |
2 | # Copyright (C) 2003-2024 Free Software Foundation, Inc. | |
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 | |
6 | # the Free Software Foundation; either version 3 of the License, or | |
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 | |
15 | # along with this program; see the file COPYING3. If not see | |
16 | # <http://www.gnu.org/licenses/>. | |
17 | ||
18 | sinclude(../config/acx.m4) | |
19 | sinclude(../config/multi.m4) | |
20 | sinclude(../config/override.m4) | |
21 | sinclude(../config/picflag.m4) | |
22 | sinclude(../config/toolexeclibdir.m4) | |
23 | sinclude(../config/unwind_ipinfo.m4) | |
24 | ||
25 | AC_INIT | |
26 | ||
27 | AC_CONFIG_SRCDIR([Makefile.in]) | |
28 | ||
29 | # Determine the host, build, and target systems | |
30 | AC_CANONICAL_BUILD | |
31 | AC_CANONICAL_HOST | |
32 | AC_CANONICAL_TARGET | |
33 | target_alias=${target_alias-$host_alias} | |
34 | ||
35 | # Determine the noncanonical target name, for directory use. | |
36 | ACX_NONCANONICAL_TARGET | |
37 | ||
38 | # Determine the target- and build-specific subdirectories | |
39 | GCC_TOPLEV_SUBDIRS | |
40 | ||
41 | # Command-line options. | |
42 | ||
43 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
44 | [AS_HELP_STRING([--enable-version-specific-runtime-libs], | |
45 | [specify that runtime libraries should be | |
46 | installed in a compiler-specific directory])], | |
47 | [case "$enableval" in | |
48 | yes|no) | |
49 | ;; | |
50 | *) | |
51 | AC_MSG_ERROR([--enable-version-specific-runtime-libs must be yes or no]) | |
52 | ;; | |
53 | esac], | |
54 | [enable_version_specific_runtime_libs=yes] | |
55 | ) | |
56 | ||
57 | # Very limited version of AC_MAINTAINER_MODE. | |
58 | AC_ARG_ENABLE([maintainer-mode], | |
59 | [AC_HELP_STRING([--enable-maintainer-mode], | |
60 | [enable make rules and dependencies not useful (and | |
61 | sometimes confusing) to the casual installer])], | |
62 | [case ${enable_maintainer_mode} in | |
63 | yes) MAINT='' ;; | |
64 | no) MAINT='#' ;; | |
65 | *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;; | |
66 | esac | |
67 | maintainer_mode=${enableval}], | |
68 | [MAINT='#']) | |
69 | AC_SUBST([MAINT])dnl | |
70 | ||
71 | GCC_WITH_TOOLEXECLIBDIR | |
72 | ||
73 | AM_ENABLE_MULTILIB(, ..) | |
74 | # Calculate toolexeclibdir | |
75 | # Also toolexecdir, though it's only used in toolexeclibdir | |
76 | case ${enable_version_specific_runtime_libs} in | |
77 | yes) | |
78 | # Need the gcc compiler version to know where to install libraries | |
79 | # and header files if --enable-version-specific-runtime-libs option | |
80 | # is selected. | |
81 | toolexecdir='$(libdir)/gcc/$(target_noncanonical)' | |
82 | toolexeclibdir='$(toolexecdir)/$(version)$(MULTISUBDIR)/adalib' | |
83 | ;; | |
84 | no) | |
85 | if test -n "$with_cross_host" && | |
86 | test x"$with_cross_host" != x"no"; then | |
87 | # Install a library built with a cross compiler in tooldir, not libdir. | |
88 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
89 | case ${with_toolexeclibdir} in | |
90 | no) | |
91 | toolexeclibdir='$(toolexecdir)/lib' | |
92 | ;; | |
93 | *) | |
94 | toolexeclibdir=${with_toolexeclibdir} | |
95 | ;; | |
96 | esac | |
97 | else | |
98 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
99 | toolexeclibdir='$(libdir)' | |
100 | fi | |
101 | multi_os_directory=`$CC -print-multi-os-directory` | |
102 | case $multi_os_directory in | |
103 | .) ;; # Avoid trailing /. | |
104 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
105 | esac | |
106 | ;; | |
107 | esac | |
108 | AC_SUBST(toolexecdir) | |
109 | AC_SUBST(toolexeclibdir) | |
110 | ||
111 | # Check the compiler. | |
112 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
113 | # We must force CC to /not/ be precious variables; otherwise | |
114 | # the wrong, non-multilib-adjusted value will be used in multilibs. | |
115 | # As a side effect, we have to subst CFLAGS ourselves. | |
116 | ||
117 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
118 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
119 | AC_PROG_CC | |
120 | m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) | |
121 | ||
122 | AC_SUBST(CFLAGS) | |
123 | ||
124 | AC_ARG_ENABLE([shared], | |
125 | [AC_HELP_STRING([--disable-shared], | |
126 | [don't provide a shared libgnat])], | |
127 | [ | |
128 | case $enable_shared in | |
129 | yes | no) ;; | |
130 | *) | |
131 | enable_shared=no | |
132 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
133 | for pkg in $enableval; do | |
134 | case $pkg in | |
135 | ada | libada) | |
136 | enable_shared=yes ;; | |
137 | esac | |
138 | done | |
139 | IFS="$ac_save_ifs" | |
140 | ;; | |
141 | esac | |
142 | ], [enable_shared=yes]) | |
143 | AC_SUBST([enable_shared]) | |
144 | ||
145 | GCC_PICFLAG | |
146 | AC_SUBST([PICFLAG]) | |
147 | ||
148 | # These must be passed down, or are needed by gcc/libgcc.mvars | |
149 | AC_PROG_AWK | |
150 | AC_PROG_LN_S | |
151 | ||
152 | # Determine what to build for 'gnatlib' | |
153 | if test ${enable_shared} = yes; then | |
154 | default_gnatlib_target="gnatlib-shared" | |
155 | else | |
156 | default_gnatlib_target="gnatlib" | |
157 | fi | |
158 | AC_SUBST([default_gnatlib_target]) | |
159 | ||
160 | # Check for _Unwind_GetIPInfo | |
161 | GCC_CHECK_UNWIND_GETIPINFO | |
162 | if test x$have_unwind_getipinfo = xyes; then | |
163 | have_getipinfo=-DHAVE_GETIPINFO | |
164 | else | |
165 | have_getipinfo= | |
166 | fi | |
167 | AC_SUBST([have_getipinfo]) | |
168 | ||
169 | # Check for <sys/capability.h> | |
170 | AC_CHECK_HEADER([sys/capability.h], have_capability=-DHAVE_CAPABILITY, have_capability=) | |
171 | AC_SUBST([have_capability]) | |
172 | ||
173 | # Determine what GCC version number to use in filesystem paths. | |
174 | GCC_BASE_VER | |
175 | ||
176 | # Output: create a Makefile. | |
177 | AC_CONFIG_FILES([Makefile]) | |
178 | ||
179 | AC_OUTPUT |