|
1
by Manuel A. Fernandez Montecelo
Import upstream version 2.0.0~20130103 |
1 |
# Configure paths for SDL |
2 |
# Sam Lantinga 9/21/99 |
|
3 |
# stolen from Manish Singh |
|
4 |
# stolen back from Frank Belew |
|
5 |
# stolen from Manish Singh |
|
6 |
# Shamelessly stolen from Owen Taylor |
|
7 |
||
8 |
# serial 1 |
|
9 |
||
10 |
dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
|
11 |
dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS |
|
12 |
dnl
|
|
13 |
AC_DEFUN([AM_PATH_SDL2], |
|
14 |
[dnl |
|
15 |
dnl Get the cflags and libraries from the sdl2-config script
|
|
16 |
dnl
|
|
17 |
AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], |
|
18 |
sdl_prefix="$withval", sdl_prefix="") |
|
19 |
AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], |
|
20 |
sdl_exec_prefix="$withval", sdl_exec_prefix="") |
|
21 |
AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], |
|
22 |
, enable_sdltest=yes) |
|
23 |
||
24 |
min_sdl_version=ifelse([$1], ,0.9.0,$1) |
|
25 |
||
26 |
if test "x$sdl_prefix$sdl_exec_prefix" = x ; then |
|
27 |
PKG_CHECK_MODULES([SDL], [sdl2 >= $min_sdl_version], |
|
28 |
[sdl_pc=yes], |
|
29 |
[sdl_pc=no]) |
|
30 |
else |
|
31 |
sdl_pc=no |
|
32 |
if test x$sdl_exec_prefix != x ; then |
|
33 |
sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix" |
|
34 |
if test x${SDL_CONFIG+set} != xset ; then |
|
35 |
SDL_CONFIG=$sdl_exec_prefix/bin/sdl2-config |
|
36 |
fi |
|
37 |
fi |
|
38 |
if test x$sdl_prefix != x ; then |
|
39 |
sdl_config_args="$sdl_config_args --prefix=$sdl_prefix" |
|
40 |
if test x${SDL_CONFIG+set} != xset ; then |
|
41 |
SDL_CONFIG=$sdl_prefix/bin/sdl2-config |
|
42 |
fi |
|
43 |
fi |
|
44 |
fi |
|
45 |
||
46 |
if test "x$sdl_pc" = xyes ; then |
|
47 |
no_sdl="" |
|
48 |
SDL_CONFIG="pkg-config sdl2" |
|
49 |
else |
|
50 |
as_save_PATH="$PATH" |
|
51 |
if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then |
|
52 |
PATH="$prefix/bin:$prefix/usr/bin:$PATH" |
|
53 |
fi |
|
54 |
AC_PATH_PROG(SDL_CONFIG, sdl2-config, no, [$PATH]) |
|
55 |
PATH="$as_save_PATH" |
|
56 |
AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) |
|
57 |
no_sdl="" |
|
58 |
||
59 |
if test "$SDL_CONFIG" = "no" ; then |
|
60 |
no_sdl=yes |
|
61 |
else |
|
62 |
SDL_CFLAGS=`$SDL_CONFIG $sdl_config_args --cflags` |
|
63 |
SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs` |
|
64 |
||
65 |
sdl_major_version=`$SDL_CONFIG $sdl_config_args --version | \ |
|
66 |
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
|
67 |
sdl_minor_version=`$SDL_CONFIG $sdl_config_args --version | \ |
|
68 |
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
|
69 |
sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ |
|
70 |
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
|
71 |
if test "x$enable_sdltest" = "xyes" ; then |
|
72 |
ac_save_CFLAGS="$CFLAGS" |
|
73 |
ac_save_CXXFLAGS="$CXXFLAGS" |
|
74 |
ac_save_LIBS="$LIBS" |
|
75 |
CFLAGS="$CFLAGS $SDL_CFLAGS" |
|
76 |
CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
|
77 |
LIBS="$LIBS $SDL_LIBS" |
|
78 |
dnl
|
|
79 |
dnl Now check if the installed SDL is sufficiently new. (Also sanity |
|
80 |
dnl checks the results of sdl2-config to some extent |
|
81 |
dnl
|
|
82 |
rm -f conf.sdltest |
|
83 |
AC_TRY_RUN([ |
|
84 |
#include <stdio.h>
|
|
85 |
#include <stdlib.h>
|
|
86 |
#include <string.h>
|
|
87 |
#include "SDL.h"
|
|
88 |
||
89 |
char*
|
|
90 |
my_strdup (char *str)
|
|
91 |
{
|
|
92 |
char *new_str;
|
|
93 |
|
|
94 |
if (str)
|
|
95 |
{
|
|
96 |
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
|
|
97 |
strcpy (new_str, str);
|
|
98 |
}
|
|
99 |
else
|
|
100 |
new_str = NULL;
|
|
101 |
|
|
102 |
return new_str;
|
|
103 |
}
|
|
104 |
||
105 |
int main (int argc, char *argv[]) |
|
106 |
{
|
|
107 |
int major, minor, micro; |
|
108 |
char *tmp_version; |
|
109 |
||
110 |
/* This hangs on some systems (?) |
|
111 |
system ("touch conf.sdltest");
|
|
112 |
*/
|
|
113 |
{ FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } |
|
114 |
||
115 |
/* HP/UX 9 (%@#!) writes to sscanf strings */ |
|
116 |
tmp_version = my_strdup("$min_sdl_version"); |
|
117 |
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { |
|
118 |
printf("%s, bad version string\n", "$min_sdl_version"); |
|
119 |
exit(1); |
|
120 |
} |
|
121 |
||
122 |
if (($sdl_major_version > major) || |
|
123 |
(($sdl_major_version == major) && ($sdl_minor_version > minor)) || |
|
124 |
(($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) |
|
125 |
{ |
|
126 |
return 0; |
|
127 |
} |
|
128 |
else |
|
129 |
{ |
|
130 |
printf("\n*** 'sdl2-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); |
|
131 |
printf("*** of SDL required is %d.%d.%d. If sdl2-config is correct, then it is\n", major, minor, micro); |
|
132 |
printf("*** best to upgrade to the required version.\n"); |
|
133 |
printf("*** If sdl2-config was wrong, set the environment variable SDL_CONFIG\n"); |
|
134 |
printf("*** to point to the correct copy of sdl2-config, and remove the file\n"); |
|
135 |
printf("*** config.cache before re-running configure\n"); |
|
136 |
return 1; |
|
137 |
} |
|
138 |
}
|
|
139 |
||
140 |
],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
|
141 |
CFLAGS="$ac_save_CFLAGS" |
|
142 |
CXXFLAGS="$ac_save_CXXFLAGS" |
|
143 |
LIBS="$ac_save_LIBS" |
|
144 |
fi |
|
145 |
fi |
|
146 |
if test "x$no_sdl" = x ; then |
|
147 |
AC_MSG_RESULT(yes) |
|
148 |
else |
|
149 |
AC_MSG_RESULT(no) |
|
150 |
fi |
|
151 |
fi |
|
152 |
if test "x$no_sdl" = x ; then |
|
153 |
ifelse([$2], , :, [$2]) |
|
154 |
else |
|
155 |
if test "$SDL_CONFIG" = "no" ; then |
|
156 |
echo "*** The sdl2-config script installed by SDL could not be found" |
|
157 |
echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" |
|
158 |
echo "*** your path, or set the SDL_CONFIG environment variable to the" |
|
159 |
echo "*** full path to sdl2-config." |
|
160 |
else |
|
161 |
if test -f conf.sdltest ; then |
|
162 |
: |
|
163 |
else |
|
164 |
echo "*** Could not run SDL test program, checking why..." |
|
165 |
CFLAGS="$CFLAGS $SDL_CFLAGS" |
|
166 |
CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
|
167 |
LIBS="$LIBS $SDL_LIBS" |
|
168 |
AC_TRY_LINK([ |
|
169 |
#include <stdio.h>
|
|
170 |
#include "SDL.h"
|
|
171 |
||
172 |
int main(int argc, char *argv[]) |
|
173 |
{ return 0; } |
|
174 |
#undef main |
|
175 |
#define main K_and_R_C_main |
|
176 |
], [ return 0; ], |
|
177 |
[ echo "*** The test program compiled, but did not run. This usually means" |
|
178 |
echo "*** that the run-time linker is not finding SDL or finding the wrong"
|
|
179 |
echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
|
|
180 |
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
|
|
181 |
echo "*** to the installed location Also, make sure you have run ldconfig if that"
|
|
182 |
echo "*** is required on your system"
|
|
183 |
echo "***"
|
|
184 |
echo "*** If you have an old version installed, it is best to remove it, although"
|
|
185 |
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], |
|
186 |
[ echo "*** The test program failed to compile or link. See the file config.log for the" |
|
187 |
echo "*** exact error that occured. This usually means SDL was incorrectly installed"
|
|
188 |
echo "*** or that you have moved SDL since it was installed. In the latter case, you"
|
|
189 |
echo "*** may want to edit the sdl2-config script: $SDL_CONFIG" ]) |
|
190 |
CFLAGS="$ac_save_CFLAGS" |
|
191 |
CXXFLAGS="$ac_save_CXXFLAGS" |
|
192 |
LIBS="$ac_save_LIBS" |
|
193 |
fi |
|
194 |
fi |
|
195 |
SDL_CFLAGS="" |
|
196 |
SDL_LIBS="" |
|
197 |
ifelse([$3], , :, [$3]) |
|
198 |
fi |
|
199 |
AC_SUBST(SDL_CFLAGS) |
|
200 |
AC_SUBST(SDL_LIBS) |
|
201 |
rm -f conf.sdltest |
|
202 |
]) |
|
203 |
# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
|
204 |
# serial 1 (pkg-config-0.24) |
|
205 |
# |
|
206 |
# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
|
207 |
#
|
|
208 |
# This program is free software; you can redistribute it and/or modify |
|
209 |
# it under the terms of the GNU General Public License as published by |
|
210 |
# the Free Software Foundation; either version 2 of the License, or |
|
211 |
# (at your option) any later version. |
|
212 |
#
|
|
213 |
# This program is distributed in the hope that it will be useful, but |
|
214 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
|
215 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
216 |
# General Public License for more details. |
|
217 |
#
|
|
218 |
# You should have received a copy of the GNU General Public License |
|
219 |
# along with this program; if not, write to the Free Software |
|
220 |
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
221 |
#
|
|
222 |
# As a special exception to the GNU General Public License, if you |
|
223 |
# distribute this file as part of a program that contains a |
|
224 |
# configuration script generated by Autoconf, you may include it under |
|
225 |
# the same distribution terms that you use for the rest of that program. |
|
226 |
||
227 |
# PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
|
228 |
# ---------------------------------- |
|
229 |
AC_DEFUN([PKG_PROG_PKG_CONFIG], |
|
230 |
[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
|
231 |
m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) |
|
232 |
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) |
|
233 |
AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) |
|
234 |
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) |
|
235 |
||
236 |
if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
|
237 |
AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
|
238 |
fi
|
|
239 |
if test -n "$PKG_CONFIG"; then |
|
240 |
_pkg_min_version=m4_default([$1], [0.9.0]) |
|
241 |
AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
|
242 |
if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
|
243 |
AC_MSG_RESULT([yes]) |
|
244 |
else |
|
245 |
AC_MSG_RESULT([no]) |
|
246 |
PKG_CONFIG="" |
|
247 |
fi |
|
248 |
fi[]dnl |
|
249 |
])# PKG_PROG_PKG_CONFIG |
|
250 |
||
251 |
# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
|
252 |
#
|
|
253 |
# Check to see whether a particular set of modules exists. Similar |
|
254 |
# to PKG_CHECK_MODULES(), but does not set variables or print errors. |
|
255 |
#
|
|
256 |
# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
|
257 |
# only at the first occurence in configure.ac, so if the first place |
|
258 |
# it's called might be skipped (such as if it is within an "if", you |
|
259 |
# have to call PKG_CHECK_EXISTS manually |
|
260 |
# -------------------------------------------------------------- |
|
261 |
AC_DEFUN([PKG_CHECK_EXISTS], |
|
262 |
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
|
263 |
if test -n "$PKG_CONFIG" && \ |
|
264 |
AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then |
|
265 |
m4_default([$2], [:]) |
|
266 |
m4_ifvaln([$3], [else |
|
267 |
$3])dnl |
|
268 |
fi]) |
|
269 |
||
270 |
# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
|
271 |
# --------------------------------------------- |
|
272 |
m4_define([_PKG_CONFIG], |
|
273 |
[if test -n "$$1"; then |
|
274 |
pkg_cv_[]$1="$$1" |
|
275 |
elif test -n "$PKG_CONFIG"; then |
|
276 |
PKG_CHECK_EXISTS([$3], |
|
277 |
[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], |
|
278 |
[pkg_failed=yes]) |
|
279 |
else |
|
280 |
pkg_failed=untried |
|
281 |
fi[]dnl |
|
282 |
])# _PKG_CONFIG |
|
283 |
||
284 |
# _PKG_SHORT_ERRORS_SUPPORTED |
|
285 |
# ----------------------------- |
|
286 |
AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
|
287 |
[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
|
288 |
if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
|
289 |
_pkg_short_errors_supported=yes |
|
290 |
else
|
|
291 |
_pkg_short_errors_supported=no |
|
292 |
fi[]dnl |
|
293 |
])# _PKG_SHORT_ERRORS_SUPPORTED |
|
294 |
||
295 |
||
296 |
# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
|
297 |
# [ACTION-IF-NOT-FOUND]) |
|
298 |
#
|
|
299 |
#
|
|
300 |
# Note that if there is a possibility the first call to |
|
301 |
# PKG_CHECK_MODULES might not happen, you should be sure to include an |
|
302 |
# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac |
|
303 |
#
|
|
304 |
#
|
|
305 |
# -------------------------------------------------------------- |
|
306 |
AC_DEFUN([PKG_CHECK_MODULES], |
|
307 |
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
|
308 |
AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
|
309 |
AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
|
310 |
||
311 |
pkg_failed=no |
|
312 |
AC_MSG_CHECKING([for $1]) |
|
313 |
||
314 |
_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
|
315 |
_PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
|
316 |
||
317 |
m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS |
|
318 |
and $1[]_LIBS to avoid the need to call pkg-config. |
|
319 |
See the pkg-config man page for more details.]) |
|
320 |
||
321 |
if test $pkg_failed = yes; then |
|
322 |
AC_MSG_RESULT([no]) |
|
323 |
_PKG_SHORT_ERRORS_SUPPORTED |
|
324 |
if test $_pkg_short_errors_supported = yes; then |
|
325 |
$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1` |
|
326 |
else |
|
327 |
$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1` |
|
328 |
fi |
|
329 |
# Put the nasty error message in config.log where it belongs |
|
330 |
echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD |
|
331 |
||
332 |
m4_default([$4], [AC_MSG_ERROR( |
|
333 |
[Package requirements ($2) were not met:
|
|
334 |
||
335 |
$$1_PKG_ERRORS
|
|
336 |
||
337 |
Consider adjusting the PKG_CONFIG_PATH environment variable if you
|
|
338 |
installed software in a non-standard prefix.
|
|
339 |
||
340 |
_PKG_TEXT])dnl |
|
341 |
]) |
|
342 |
elif test $pkg_failed = untried; then |
|
343 |
AC_MSG_RESULT([no]) |
|
344 |
m4_default([$4], [AC_MSG_FAILURE( |
|
345 |
[The pkg-config script could not be found or is too old. Make sure it
|
|
346 |
is in your PATH or set the PKG_CONFIG environment variable to the full
|
|
347 |
path to pkg-config.
|
|
348 |
||
349 |
_PKG_TEXT
|
|
350 |
||
351 |
To get pkg-config, see <http://pkg-config.freedesktop.org/>.])dnl |
|
352 |
]) |
|
353 |
else
|
|
354 |
$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS |
|
355 |
$1[]_LIBS=$pkg_cv_[]$1[]_LIBS |
|
356 |
AC_MSG_RESULT([yes]) |
|
357 |
$3 |
|
358 |
fi[]dnl |
|
359 |
])# PKG_CHECK_MODULES |