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@@ -13,12 +13,196 @@
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m4_ifndef([AC_AUTOCONF_VERSION],
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[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
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-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],,
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-[m4_warning([this file was generated for autoconf 2.68.
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+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.67],,
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+[m4_warning([this file was generated for autoconf 2.67.
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You have another version of autoconf. It may work, but is not guaranteed to.
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If you have problems, you may need to regenerate the build system entirely.
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To do so, use the procedure documented by the package, typically `autoreconf'.])])
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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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+
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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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+
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+ if test x$sdl_exec_prefix != x ; then
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+ sdl_config_args="$sdl_config_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_config_args="$sdl_config_args --prefix=$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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+
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+ as_save_PATH="$PATH"
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+ if test "x$prefix" != xNONE; then
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+ PATH="$prefix/bin:$prefix/usr/bin:$PATH"
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+ fi
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+ AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
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+ PATH="$as_save_PATH"
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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 $sdl_config_args --cflags`
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+ SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs`
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+
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+ sdl_major_version=`$SDL_CONFIG $sdl_config_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_config_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_CXXFLAGS="$CXXFLAGS"
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+ ac_save_LIBS="$LIBS"
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+ CFLAGS="$CFLAGS $SDL_CFLAGS"
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+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
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+ LIBS="$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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+
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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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+
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+ if (str)
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+ {
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+ new_str = (char *)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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+
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+ return new_str;
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+}
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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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+
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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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+
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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", "$min_sdl_version");
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+ exit(1);
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+ }
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+
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+ if (($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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+
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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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+ CXXFLAGS="$ac_save_CXXFLAGS"
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+ LIBS="$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 $SDL_CFLAGS"
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+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
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+ LIBS="$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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+
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+int main(int argc, char *argv[])
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+{ return 0; }
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+#undef main
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+#define main K_and_R_C_main
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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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+ CXXFLAGS="$ac_save_CXXFLAGS"
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+ LIBS="$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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+
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# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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Frank Zago