Mercurial > sdl-ios-xcode
annotate test/acinclude.m4 @ 1158:ec446adf8cb2
POSIX clock_gettime() isn't available on Linux before 2.6, and the symbol may
just be flat out missing from glibc, so force use of previous gettimeofday()
behaviour for now.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Tue, 11 Oct 2005 20:05:54 +0000 |
parents | a5defa3b93e1 |
children | d94b080ff6ce |
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$sdl_exec_prefix != x ; then | |
23 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix" | |
24 if test x${SDL_CONFIG+set} != xset ; then | |
25 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config | |
26 fi | |
27 fi | |
28 if test x$sdl_prefix != x ; then | |
29 sdl_args="$sdl_args --prefix=$sdl_prefix" | |
30 if test x${SDL_CONFIG+set} != xset ; then | |
31 SDL_CONFIG=$sdl_prefix/bin/sdl-config | |
32 fi | |
33 fi | |
34 | |
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Date: Sat, 8 Sep 2001 04:42:23 +0200
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35 AC_REQUIRE([AC_CANONICAL_TARGET]) |
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36 PATH="$prefix/bin:$prefix/usr/bin:$PATH" |
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37 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) |
0 | 38 min_sdl_version=ifelse([$1], ,0.11.0,$1) |
39 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) | |
40 no_sdl="" | |
41 if test "$SDL_CONFIG" = "no" ; then | |
42 no_sdl=yes | |
43 else | |
44 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags` | |
45 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs` | |
46 | |
47 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \ | |
48 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | |
49 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \ | |
50 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | |
51 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ | |
52 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | |
53 if test "x$enable_sdltest" = "xyes" ; then | |
54 ac_save_CFLAGS="$CFLAGS" | |
55 ac_save_LIBS="$LIBS" | |
56 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
57 LIBS="$LIBS $SDL_LIBS" | |
58 dnl | |
59 dnl Now check if the installed SDL is sufficiently new. (Also sanity | |
60 dnl checks the results of sdl-config to some extent | |
61 dnl | |
62 rm -f conf.sdltest | |
63 AC_TRY_RUN([ | |
64 #include <stdio.h> | |
65 #include <stdlib.h> | |
66 #include <string.h> | |
67 #include "SDL.h" | |
68 | |
69 char* | |
70 my_strdup (char *str) | |
71 { | |
72 char *new_str; | |
73 | |
74 if (str) | |
75 { | |
76 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); | |
77 strcpy (new_str, str); | |
78 } | |
79 else | |
80 new_str = NULL; | |
81 | |
82 return new_str; | |
83 } | |
84 | |
85 int main (int argc, char *argv[]) | |
86 { | |
87 int major, minor, micro; | |
88 char *tmp_version; | |
89 | |
90 /* This hangs on some systems (?) | |
91 system ("touch conf.sdltest"); | |
92 */ | |
93 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } | |
94 | |
95 /* HP/UX 9 (%@#!) writes to sscanf strings */ | |
96 tmp_version = my_strdup("$min_sdl_version"); | |
97 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | |
98 printf("%s, bad version string\n", "$min_sdl_version"); | |
99 exit(1); | |
100 } | |
101 | |
102 if (($sdl_major_version > major) || | |
103 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || | |
104 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) | |
105 { | |
106 return 0; | |
107 } | |
108 else | |
109 { | |
110 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); | |
111 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); | |
112 printf("*** best to upgrade to the required version.\n"); | |
113 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); | |
114 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); | |
115 printf("*** config.cache before re-running configure\n"); | |
116 return 1; | |
117 } | |
118 } | |
119 | |
120 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | |
121 CFLAGS="$ac_save_CFLAGS" | |
122 LIBS="$ac_save_LIBS" | |
123 fi | |
124 fi | |
125 if test "x$no_sdl" = x ; then | |
126 AC_MSG_RESULT(yes) | |
127 ifelse([$2], , :, [$2]) | |
128 else | |
129 AC_MSG_RESULT(no) | |
130 if test "$SDL_CONFIG" = "no" ; then | |
131 echo "*** The sdl-config script installed by SDL could not be found" | |
132 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" | |
133 echo "*** your path, or set the SDL_CONFIG environment variable to the" | |
134 echo "*** full path to sdl-config." | |
135 else | |
136 if test -f conf.sdltest ; then | |
137 : | |
138 else | |
139 echo "*** Could not run SDL test program, checking why..." | |
140 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
141 LIBS="$LIBS $SDL_LIBS" | |
142 AC_TRY_LINK([ | |
143 #include <stdio.h> | |
144 #include "SDL.h" | |
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145 |
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146 int main(int argc, char *argv[]) |
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147 { return 0; } |
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148 #undef main |
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149 #define main K_and_R_C_main |
0 | 150 ], [ return 0; ], |
151 [ echo "*** The test program compiled, but did not run. This usually means" | |
152 echo "*** that the run-time linker is not finding SDL or finding the wrong" | |
153 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" | |
154 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | |
155 echo "*** to the installed location Also, make sure you have run ldconfig if that" | |
156 echo "*** is required on your system" | |
157 echo "***" | |
158 echo "*** If you have an old version installed, it is best to remove it, although" | |
159 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], | |
160 [ echo "*** The test program failed to compile or link. See the file config.log for the" | |
161 echo "*** exact error that occured. This usually means SDL was incorrectly installed" | |
162 echo "*** or that you have moved SDL since it was installed. In the latter case, you" | |
163 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) | |
164 CFLAGS="$ac_save_CFLAGS" | |
165 LIBS="$ac_save_LIBS" | |
166 fi | |
167 fi | |
168 SDL_CFLAGS="" | |
169 SDL_LIBS="" | |
170 ifelse([$3], , :, [$3]) | |
171 fi | |
172 AC_SUBST(SDL_CFLAGS) | |
173 AC_SUBST(SDL_LIBS) | |
174 rm -f conf.sdltest | |
175 ]) |