3 # Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher
6 --- /dev/null 1970-01-01 01:00:00.000000000 +0100
7 +++ Src/m4/sdl.m4 2004-01-21 00:43:55.000000000 +0100
9 +# Configure paths for SDL
10 +# Sam Lantinga 9/21/99
11 +# stolen from Manish Singh
12 +# stolen back from Frank Belew
13 +# stolen from Manish Singh
14 +# Shamelessly stolen from Owen Taylor
16 +dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
17 +dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
19 +AC_DEFUN(AM_PATH_SDL,
21 +dnl Get the cflags and libraries from the sdl-config script
23 +AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
24 + sdl_prefix="$withval", sdl_prefix="")
25 +AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
26 + sdl_exec_prefix="$withval", sdl_exec_prefix="")
27 +AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
28 + , enable_sdltest=yes)
30 + if test x$sdl_exec_prefix != x ; then
31 + sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
32 + if test x${SDL_CONFIG+set} != xset ; then
33 + SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
36 + if test x$sdl_prefix != x ; then
37 + sdl_args="$sdl_args --prefix=$sdl_prefix"
38 + if test x${SDL_CONFIG+set} != xset ; then
39 + SDL_CONFIG=$sdl_prefix/bin/sdl-config
43 + AC_REQUIRE([AC_CANONICAL_TARGET])
44 + PATH="$prefix/bin:$prefix/usr/bin:$PATH"
45 + AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
46 + min_sdl_version=ifelse([$1], ,0.11.0,$1)
47 + AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
49 + if test "$SDL_CONFIG" = "no" ; then
52 + SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
53 + SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
55 + sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
56 + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
57 + sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
58 + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
59 + sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
60 + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
61 + if test "x$enable_sdltest" = "xyes" ; then
62 + ac_save_CFLAGS="$CFLAGS"
63 + ac_save_LIBS="$LIBS"
64 + CFLAGS="$CFLAGS $SDL_CFLAGS"
65 + LIBS="$LIBS $SDL_LIBS"
67 +dnl Now check if the installed SDL is sufficiently new. (Also sanity
68 +dnl checks the results of sdl-config to some extent
78 +my_strdup (char *str)
84 + new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
85 + strcpy (new_str, str);
93 +int main (int argc, char *argv[])
95 + int major, minor, micro;
98 + /* This hangs on some systems (?)
99 + system ("touch conf.sdltest");
101 + { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
103 + /* HP/UX 9 (%@#!) writes to sscanf strings */
104 + tmp_version = my_strdup("$min_sdl_version");
105 + if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
106 + printf("%s, bad version string\n", "$min_sdl_version");
110 + if (($sdl_major_version > major) ||
111 + (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
112 + (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
118 + printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
119 + printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
120 + printf("*** best to upgrade to the required version.\n");
121 + printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
122 + printf("*** to point to the correct copy of sdl-config, and remove the file\n");
123 + printf("*** config.cache before re-running configure\n");
128 +],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
129 + CFLAGS="$ac_save_CFLAGS"
130 + LIBS="$ac_save_LIBS"
133 + if test "x$no_sdl" = x ; then
135 + ifelse([$2], , :, [$2])
138 + if test "$SDL_CONFIG" = "no" ; then
139 + echo "*** The sdl-config script installed by SDL could not be found"
140 + echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
141 + echo "*** your path, or set the SDL_CONFIG environment variable to the"
142 + echo "*** full path to sdl-config."
144 + if test -f conf.sdltest ; then
147 + echo "*** Could not run SDL test program, checking why..."
148 + CFLAGS="$CFLAGS $SDL_CFLAGS"
149 + LIBS="$LIBS $SDL_LIBS"
154 +int main(int argc, char *argv[])
157 +#define main K_and_R_C_main
159 + [ echo "*** The test program compiled, but did not run. This usually means"
160 + echo "*** that the run-time linker is not finding SDL or finding the wrong"
161 + echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
162 + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
163 + echo "*** to the installed location Also, make sure you have run ldconfig if that"
164 + echo "*** is required on your system"
166 + echo "*** If you have an old version installed, it is best to remove it, although"
167 + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
168 + [ echo "*** The test program failed to compile or link. See the file config.log for the"
169 + echo "*** exact error that occured. This usually means SDL was incorrectly installed"
170 + echo "*** or that you have moved SDL since it was installed. In the latter case, you"
171 + echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
172 + CFLAGS="$ac_save_CFLAGS"
173 + LIBS="$ac_save_LIBS"
178 + ifelse([$3], , :, [$3])
180 + AC_SUBST(SDL_CFLAGS)