Mercurial > SDL_sound_CoreAudio
annotate acinclude.m4 @ 507:7f11a82e918e stable-1.0
Whoops, didn't actually fix the gcc4 warnings (backport from devbranch).
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sat, 17 Dec 2005 18:50:17 +0000 |
| parents | b4e9fb8ef9f6 |
| children |
| rev | line source |
|---|---|
| 68 | 1 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
| 2 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS | |
| 3 dnl | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
4 AC_DEFUN([AM_PATH_SDL], |
| 68 | 5 [dnl |
| 6 dnl Get the cflags and libraries from the sdl-config script | |
| 7 dnl | |
| 8 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], | |
| 9 sdl_prefix="$withval", sdl_prefix="") | |
| 10 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], | |
| 11 sdl_exec_prefix="$withval", sdl_exec_prefix="") | |
| 12 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], | |
| 13 , enable_sdltest=yes) | |
| 14 | |
| 15 if test x$sdl_exec_prefix != x ; then | |
| 16 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix" | |
| 17 if test x${SDL_CONFIG+set} != xset ; then | |
| 18 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config | |
| 19 fi | |
| 20 fi | |
| 21 if test x$sdl_prefix != x ; then | |
| 22 sdl_args="$sdl_args --prefix=$sdl_prefix" | |
| 23 if test x${SDL_CONFIG+set} != xset ; then | |
| 24 SDL_CONFIG=$sdl_prefix/bin/sdl-config | |
| 25 fi | |
| 26 fi | |
| 27 | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
28 AC_REQUIRE([AC_CANONICAL_TARGET]) |
|
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
29 PATH="$prefix/bin:$prefix/usr/bin:$PATH" |
|
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
30 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) |
| 68 | 31 min_sdl_version=ifelse([$1], ,0.11.0,$1) |
| 32 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) | |
| 33 no_sdl="" | |
| 34 if test "$SDL_CONFIG" = "no" ; then | |
| 35 no_sdl=yes | |
| 36 else | |
| 37 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags` | |
| 38 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs` | |
| 39 | |
| 40 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \ | |
| 41 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | |
| 42 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \ | |
| 43 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | |
| 44 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ | |
| 45 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | |
| 46 if test "x$enable_sdltest" = "xyes" ; then | |
| 47 ac_save_CFLAGS="$CFLAGS" | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
48 ac_save_CXXFLAGS="$CXXFLAGS" |
| 68 | 49 ac_save_LIBS="$LIBS" |
| 50 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
51 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
| 68 | 52 LIBS="$LIBS $SDL_LIBS" |
| 53 dnl | |
| 54 dnl Now check if the installed SDL is sufficiently new. (Also sanity | |
| 55 dnl checks the results of sdl-config to some extent | |
| 56 dnl | |
| 57 rm -f conf.sdltest | |
| 58 AC_TRY_RUN([ | |
| 59 #include <stdio.h> | |
| 60 #include <stdlib.h> | |
| 61 #include <string.h> | |
| 62 #include "SDL.h" | |
| 63 | |
| 64 char* | |
| 65 my_strdup (char *str) | |
| 66 { | |
| 67 char *new_str; | |
| 68 | |
| 69 if (str) | |
| 70 { | |
| 71 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); | |
| 72 strcpy (new_str, str); | |
| 73 } | |
| 74 else | |
| 75 new_str = NULL; | |
| 76 | |
| 77 return new_str; | |
| 78 } | |
| 79 | |
| 80 int main (int argc, char *argv[]) | |
| 81 { | |
| 82 int major, minor, micro; | |
| 83 char *tmp_version; | |
| 84 | |
| 85 /* This hangs on some systems (?) | |
| 86 system ("touch conf.sdltest"); | |
| 87 */ | |
| 88 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } | |
| 89 | |
| 90 /* HP/UX 9 (%@#!) writes to sscanf strings */ | |
| 91 tmp_version = my_strdup("$min_sdl_version"); | |
| 92 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | |
| 93 printf("%s, bad version string\n", "$min_sdl_version"); | |
| 94 exit(1); | |
| 95 } | |
| 96 | |
| 97 if (($sdl_major_version > major) || | |
| 98 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || | |
| 99 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) | |
| 100 { | |
| 101 return 0; | |
| 102 } | |
| 103 else | |
| 104 { | |
| 105 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); | |
| 106 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); | |
| 107 printf("*** best to upgrade to the required version.\n"); | |
| 108 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); | |
| 109 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); | |
| 110 printf("*** config.cache before re-running configure\n"); | |
| 111 return 1; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | |
| 116 CFLAGS="$ac_save_CFLAGS" | |
| 117 LIBS="$ac_save_LIBS" | |
| 118 fi | |
| 119 fi | |
| 120 if test "x$no_sdl" = x ; then | |
| 121 AC_MSG_RESULT(yes) | |
| 122 ifelse([$2], , :, [$2]) | |
| 123 else | |
| 124 AC_MSG_RESULT(no) | |
| 125 if test "$SDL_CONFIG" = "no" ; then | |
| 126 echo "*** The sdl-config script installed by SDL could not be found" | |
| 127 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" | |
| 128 echo "*** your path, or set the SDL_CONFIG environment variable to the" | |
| 129 echo "*** full path to sdl-config." | |
| 130 else | |
| 131 if test -f conf.sdltest ; then | |
| 132 : | |
| 133 else | |
| 134 echo "*** Could not run SDL test program, checking why..." | |
| 135 CFLAGS="$CFLAGS $SDL_CFLAGS" | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
136 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" |
| 68 | 137 LIBS="$LIBS $SDL_LIBS" |
| 138 AC_TRY_LINK([ | |
| 139 #include <stdio.h> | |
| 140 #include "SDL.h" | |
| 141 | |
| 142 int main(int argc, char *argv[]) | |
| 143 { return 0; } | |
| 144 #undef main | |
| 145 #define main K_and_R_C_main | |
| 146 ], [ return 0; ], | |
| 147 [ echo "*** The test program compiled, but did not run. This usually means" | |
| 148 echo "*** that the run-time linker is not finding SDL or finding the wrong" | |
| 149 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" | |
| 150 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | |
| 151 echo "*** to the installed location Also, make sure you have run ldconfig if that" | |
| 152 echo "*** is required on your system" | |
| 153 echo "***" | |
| 154 echo "*** If you have an old version installed, it is best to remove it, although" | |
| 155 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], | |
| 156 [ echo "*** The test program failed to compile or link. See the file config.log for the" | |
| 157 echo "*** exact error that occured. This usually means SDL was incorrectly installed" | |
| 158 echo "*** or that you have moved SDL since it was installed. In the latter case, you" | |
| 159 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) | |
| 160 CFLAGS="$ac_save_CFLAGS" | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
161 CXXFLAGS="$ac_save_CXXFLAGS" |
| 68 | 162 LIBS="$ac_save_LIBS" |
| 163 fi | |
| 164 fi | |
| 165 SDL_CFLAGS="" | |
|
499
b4e9fb8ef9f6
Backport from devbranch:
Ryan C. Gordon <icculus@icculus.org>
parents:
466
diff
changeset
|
166 SDL_CXXFLAGS="" |
| 68 | 167 SDL_LIBS="" |
| 168 ifelse([$3], , :, [$3]) | |
| 169 fi | |
| 170 AC_SUBST(SDL_CFLAGS) | |
| 171 AC_SUBST(SDL_LIBS) | |
| 172 rm -f conf.sdltest | |
| 173 ]) |