Mercurial > sdl-ios-xcode
annotate sdl.m4 @ 4313:8ec3036098df SDL-1.2
Adapted from Debian patch: 320_activate_xrandr_on_default.diff
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 10 Oct 2009 10:14:01 +0000 |
parents | cd98d1dc385c |
children | 3d75acd08339 7bb8f748a14d |
rev | line source |
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0 | 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 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) | |
9 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS | |
10 dnl | |
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11 AC_DEFUN([AM_PATH_SDL], |
0 | 12 [dnl |
13 dnl Get the cflags and libraries from the sdl-config script | |
14 dnl | |
15 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], | |
16 sdl_prefix="$withval", sdl_prefix="") | |
17 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], | |
18 sdl_exec_prefix="$withval", sdl_exec_prefix="") | |
19 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], | |
20 , enable_sdltest=yes) | |
21 | |
22 if test x$sdl_exec_prefix != x ; then | |
4121 | 23 sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix" |
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Don't add NONE/bin to the path - inexplicably fixes building on mingw+msys, apparently
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24 if test x${SDL_CONFIG+set} != xset ; then |
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Don't add NONE/bin to the path - inexplicably fixes building on mingw+msys, apparently
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25 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config |
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26 fi |
0 | 27 fi |
28 if test x$sdl_prefix != x ; then | |
4121 | 29 sdl_config_args="$sdl_config_args --prefix=$sdl_prefix" |
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30 if test x${SDL_CONFIG+set} != xset ; then |
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31 SDL_CONFIG=$sdl_prefix/bin/sdl-config |
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32 fi |
0 | 33 fi |
34 | |
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35 as_save_PATH="$PATH" |
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36 if test "x$prefix" != xNONE; then |
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37 PATH="$prefix/bin:$prefix/usr/bin:$PATH" |
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Don't add NONE/bin to the path - inexplicably fixes building on mingw+msys, apparently
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38 fi |
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39 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) |
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40 PATH="$as_save_PATH" |
0 | 41 min_sdl_version=ifelse([$1], ,0.11.0,$1) |
42 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) | |
43 no_sdl="" | |
44 if test "$SDL_CONFIG" = "no" ; then | |
45 no_sdl=yes | |
46 else | |
4121 | 47 SDL_CFLAGS=`$SDL_CONFIG $sdl_config_args --cflags` |
48 SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs` | |
0 | 49 |
4121 | 50 sdl_major_version=`$SDL_CONFIG $sdl_config_args --version | \ |
0 | 51 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
4121 | 52 sdl_minor_version=`$SDL_CONFIG $sdl_config_args --version | \ |
0 | 53 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
54 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ | |
55 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | |
56 if test "x$enable_sdltest" = "xyes" ; then | |
57 ac_save_CFLAGS="$CFLAGS" | |
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Date: Wed, 17 Aug 2005 11:23:40 -0400
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58 ac_save_CXXFLAGS="$CXXFLAGS" |
0 | 59 ac_save_LIBS="$LIBS" |
60 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
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61 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
0 | 62 LIBS="$LIBS $SDL_LIBS" |
63 dnl | |
64 dnl Now check if the installed SDL is sufficiently new. (Also sanity | |
65 dnl checks the results of sdl-config to some extent | |
66 dnl | |
67 rm -f conf.sdltest | |
68 AC_TRY_RUN([ | |
69 #include <stdio.h> | |
70 #include <stdlib.h> | |
71 #include <string.h> | |
72 #include "SDL.h" | |
73 | |
74 char* | |
75 my_strdup (char *str) | |
76 { | |
77 char *new_str; | |
78 | |
79 if (str) | |
80 { | |
81 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); | |
82 strcpy (new_str, str); | |
83 } | |
84 else | |
85 new_str = NULL; | |
86 | |
87 return new_str; | |
88 } | |
89 | |
90 int main (int argc, char *argv[]) | |
91 { | |
92 int major, minor, micro; | |
93 char *tmp_version; | |
94 | |
95 /* This hangs on some systems (?) | |
96 system ("touch conf.sdltest"); | |
97 */ | |
98 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } | |
99 | |
100 /* HP/UX 9 (%@#!) writes to sscanf strings */ | |
101 tmp_version = my_strdup("$min_sdl_version"); | |
102 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | |
103 printf("%s, bad version string\n", "$min_sdl_version"); | |
104 exit(1); | |
105 } | |
106 | |
107 if (($sdl_major_version > major) || | |
108 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || | |
109 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) | |
110 { | |
111 return 0; | |
112 } | |
113 else | |
114 { | |
115 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); | |
116 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); | |
117 printf("*** best to upgrade to the required version.\n"); | |
118 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); | |
119 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); | |
120 printf("*** config.cache before re-running configure\n"); | |
121 return 1; | |
122 } | |
123 } | |
124 | |
125 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | |
126 CFLAGS="$ac_save_CFLAGS" | |
1550 | 127 CXXFLAGS="$ac_save_CXXFLAGS" |
0 | 128 LIBS="$ac_save_LIBS" |
129 fi | |
130 fi | |
131 if test "x$no_sdl" = x ; then | |
132 AC_MSG_RESULT(yes) | |
133 ifelse([$2], , :, [$2]) | |
134 else | |
135 AC_MSG_RESULT(no) | |
136 if test "$SDL_CONFIG" = "no" ; then | |
137 echo "*** The sdl-config script installed by SDL could not be found" | |
138 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" | |
139 echo "*** your path, or set the SDL_CONFIG environment variable to the" | |
140 echo "*** full path to sdl-config." | |
141 else | |
142 if test -f conf.sdltest ; then | |
143 : | |
144 else | |
145 echo "*** Could not run SDL test program, checking why..." | |
146 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
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147 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
0 | 148 LIBS="$LIBS $SDL_LIBS" |
149 AC_TRY_LINK([ | |
150 #include <stdio.h> | |
151 #include "SDL.h" | |
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152 |
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153 int main(int argc, char *argv[]) |
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154 { return 0; } |
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155 #undef main |
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156 #define main K_and_R_C_main |
0 | 157 ], [ return 0; ], |
158 [ echo "*** The test program compiled, but did not run. This usually means" | |
159 echo "*** that the run-time linker is not finding SDL or finding the wrong" | |
160 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" | |
161 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | |
162 echo "*** to the installed location Also, make sure you have run ldconfig if that" | |
163 echo "*** is required on your system" | |
164 echo "***" | |
165 echo "*** If you have an old version installed, it is best to remove it, although" | |
166 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], | |
167 [ echo "*** The test program failed to compile or link. See the file config.log for the" | |
168 echo "*** exact error that occured. This usually means SDL was incorrectly installed" | |
169 echo "*** or that you have moved SDL since it was installed. In the latter case, you" | |
170 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) | |
171 CFLAGS="$ac_save_CFLAGS" | |
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172 CXXFLAGS="$ac_save_CXXFLAGS" |
0 | 173 LIBS="$ac_save_LIBS" |
174 fi | |
175 fi | |
176 SDL_CFLAGS="" | |
177 SDL_LIBS="" | |
178 ifelse([$3], , :, [$3]) | |
179 fi | |
180 AC_SUBST(SDL_CFLAGS) | |
181 AC_SUBST(SDL_LIBS) | |
182 rm -f conf.sdltest | |
183 ]) |