mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-24 03:31:00 +00:00
290 lines
9.1 KiB
Text
290 lines
9.1 KiB
Text
dnl check for fields in a structure
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dnl
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dnl AC_HAVE_STRUCT_FIELD(struct, field, headers)
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AC_DEFUN(AC_HAVE_STRUCT_FIELD, [
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define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
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AC_CACHE_CHECK([for $2 in $1], cache_val,[
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AC_TRY_COMPILE([$3],[$1 x; x.$2;],
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cache_val=yes,
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cache_val=no)])
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if test "$cache_val" = yes; then
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define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
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AC_DEFINE(foo, 1, [Define if $1 has field $2.])
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undefine(foo)
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fi
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undefine(cache_val)
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])
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# Configure paths for SDL
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# Sam Lantinga 9/21/99
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# stolen from Manish Singh
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
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dnl
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AC_DEFUN(AM_PATH_SDL,
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[dnl
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dnl Get the cflags and libraries from the sdl-config script
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dnl
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AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
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sdl_prefix="$withval", sdl_prefix="")
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AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
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sdl_exec_prefix="$withval", sdl_exec_prefix="")
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AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
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, enable_sdltest=yes)
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if test x$sdl_exec_prefix != x ; then
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sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
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if test x${SDL_CONFIG+set} != xset ; then
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SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
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fi
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fi
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if test x$sdl_prefix != x ; then
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sdl_args="$sdl_args --prefix=$sdl_prefix"
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if test x${SDL_CONFIG+set} != xset ; then
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SDL_CONFIG=$sdl_prefix/bin/sdl-config
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fi
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fi
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AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
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min_sdl_version=ifelse([$1], ,0.11.0,$1)
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AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
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no_sdl=""
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if test "$SDL_CONFIG" = "no" ; then
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no_sdl=yes
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else
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SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
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SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
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sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_sdltest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $SDL_CFLAGS"
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LIBS="$LIBS $SDL_LIBS"
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dnl
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dnl Now check if the installed SDL is sufficiently new. (Also sanity
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dnl checks the results of sdl-config to some extent
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dnl
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rm -f conf.sdltest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <SDL.h>
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char*
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my_strdup (char *str)
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{
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char *new_str;
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if (str)
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{
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new_str = malloc ((strlen (str) + 1) * sizeof(char));
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strcpy (new_str, str);
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}
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else
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new_str = NULL;
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return new_str;
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}
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int main (int argc, char *argv[])
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{
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int major, minor, micro;
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char *tmp_version;
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/* This hangs on some systems (?)
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system ("touch conf.sdltest");
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*/
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{ FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = my_strdup("$min_sdl_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_sdl_version");
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exit(1);
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}
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if (($sdl_major_version > major) ||
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(($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
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(($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
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{
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return 0;
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}
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else
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{
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printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
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printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
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printf("*** best to upgrade to the required version.\n");
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printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
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printf("*** to point to the correct copy of sdl-config, and remove the file\n");
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printf("*** config.cache before re-running configure\n");
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return 1;
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}
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}
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],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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if test "x$no_sdl" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$SDL_CONFIG" = "no" ; then
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echo "*** The sdl-config script installed by SDL could not be found"
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echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the SDL_CONFIG environment variable to the"
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echo "*** full path to sdl-config."
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else
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if test -f conf.sdltest ; then
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:
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else
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echo "*** Could not run SDL test program, checking why..."
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CFLAGS="$CFLAGS $SDL_CFLAGS"
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LIBS="$LIBS $SDL_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <SDL.h>
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], [ return 0; ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding SDL or finding the wrong"
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echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "***"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means SDL was incorrectly installed"
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echo "*** or that you have moved SDL since it was installed. In the latter case, you"
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echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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SDL_CFLAGS=""
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SDL_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(SDL_CFLAGS)
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AC_SUBST(SDL_LIBS)
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rm -f conf.sdltest
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])
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# Configure paths for SDL-GL
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# Jeff Teunissen 11 Aug 2000
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# stolen from Sam Lantinga
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# stolen from Manish Singh
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_CHECK_SGL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for SDL 1.1.x, do _not_ redefine any variables.
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dnl ***MUST*** be run _after_ checking for SDL 1.0x, if used.
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dnl
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AC_DEFUN(AM_CHECK_SGL,
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[dnl
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dnl Get the cflags and libraries from the sdl-config script
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dnl
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min_sdl_version=ifelse([$1], ,1.1.0,$1)
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AC_MSG_CHECKING(whether SDL is version >= $min_sdl_version)
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no_sgl=""
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if test "$SDL_CONFIG" = "no" ; then
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no_sgl=yes
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else
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SGL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
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SGL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
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sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $SGL_CFLAGS"
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LIBS="$LIBS $SGL_LIBS"
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dnl
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dnl Do nothing more than check if the installed SDL is sufficiently new, since
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dnl we already did that in the SDL detection
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dnl
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <SDL.h>
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char*
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my_strdup (char *str)
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{
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char *new_str;
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if (str) {
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new_str = malloc ((strlen (str) + 1) * sizeof(char));
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strcpy (new_str, str);
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} else {
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new_str = NULL;
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}
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return new_str;
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}
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int
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main (int argc, char *argv[])
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{
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int major, minor, micro;
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char *tmp_version;
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = my_strdup("$min_sdl_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_sdl_version");
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exit(1);
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}
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if (($sdl_major_version > major) ||
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(($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
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(($sdl_major_version == major) && ($sdl_minor_version == minor) &&
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($sdl_micro_version >= micro))) {
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return 0;
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} else {
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return 1;
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}
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}
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],, no_sgl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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if test "x$no_sgl" = x; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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ifelse([$3], , :, [$3])
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fi
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])
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dnl AM_PROG_LEX
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dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
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AC_DEFUN(AM_PROG_LEX,
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[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
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AC_CHECK_PROGS(LEX, flex lex, $missing_dir/missing flex)
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AC_PROG_LEX
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AC_DECL_YYTEXT
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])
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