1 files changed, 0 insertions, 202 deletions

@@ -1,202 +0,0 @@
-# Configure paths for SDL
-# Sam Lantinga 9/21/99
-# stolen from Manish Singh
-# stolen back from Frank Belew
-# stolen from Manish Singh
-# Shamelessly stolen from Owen Taylor
-
-# serial 1
-
-dnl AM_PATH_SDL2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
-dnl
-AC_DEFUN([AM_PATH_SDL2],
-[dnl 
-dnl Get the cflags and libraries from the sdl2-config script
-dnl
-AC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],
-            sdl_prefix="$withval", sdl_prefix="")
-AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
-            sdl_exec_prefix="$withval", sdl_exec_prefix="")
-AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],
-                    , enable_sdltest=yes)
-
-  min_sdl_version=ifelse([$1], ,2.0.0,$1)
-
-  if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
-    PKG_CHECK_MODULES([SDL], [sdl2 >= $min_sdl_version],
-           [sdl_pc=yes],
-           [sdl_pc=no])
-  else
-    sdl_pc=no
-    if test x$sdl_exec_prefix != x ; then
-      sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
-      if test x${SDL2_CONFIG+set} != xset ; then
-        SDL2_CONFIG=$sdl_exec_prefix/bin/sdl2-config
-      fi
-    fi
-    if test x$sdl_prefix != x ; then
-      sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
-      if test x${SDL2_CONFIG+set} != xset ; then
-        SDL2_CONFIG=$sdl_prefix/bin/sdl2-config
-      fi
-    fi
-  fi
-
-  if test "x$sdl_pc" = xyes ; then
-    no_sdl=""
-    SDL2_CONFIG="pkg-config sdl2"
-  else
-    as_save_PATH="$PATH"
-    if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
-      PATH="$prefix/bin:$prefix/usr/bin:$PATH"
-    fi
-    AC_PATH_PROG(SDL2_CONFIG, sdl2-config, no, [$PATH])
-    PATH="$as_save_PATH"
-    AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
-    no_sdl=""
-
-    if test "$SDL2_CONFIG" = "no" ; then
-      no_sdl=yes
-    else
-      SDL_CFLAGS=`$SDL2_CONFIG $sdl_config_args --cflags`
-      SDL_LIBS=`$SDL2_CONFIG $sdl_config_args --libs`
-
-      sdl_major_version=`$SDL2_CONFIG $sdl_config_args --version | \
-             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-      sdl_minor_version=`$SDL2_CONFIG $sdl_config_args --version | \
-             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-      sdl_micro_version=`$SDL2_CONFIG $sdl_config_args --version | \
-             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-      if test "x$enable_sdltest" = "xyes" ; then
-        ac_save_CFLAGS="$CFLAGS"
-        ac_save_CXXFLAGS="$CXXFLAGS"
-        ac_save_LIBS="$LIBS"
-        CFLAGS="$CFLAGS $SDL_CFLAGS"
-        CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
-        LIBS="$LIBS $SDL_LIBS"
-dnl
-dnl Now check if the installed SDL is sufficiently new. (Also sanity
-dnl checks the results of sdl2-config to some extent
-dnl
-      rm -f conf.sdltest
-      AC_TRY_RUN([
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "SDL.h"
-
-char*
-my_strdup (char *str)
-{
-  char *new_str;
-  
-  if (str)
-    {
-      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
-      strcpy (new_str, str);
-    }
-  else
-    new_str = NULL;
-  
-  return new_str;
-}
-
-int main (int argc, char *argv[])
-{
-  int major, minor, micro;
-  char *tmp_version;
-
-  /* This hangs on some systems (?)
-  system ("touch conf.sdltest");
-  */
-  { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
-
-  /* HP/UX 9 (%@#!) writes to sscanf strings */
-  tmp_version = my_strdup("$min_sdl_version");
-  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
-     printf("%s, bad version string\n", "$min_sdl_version");
-     exit(1);
-   }
-
-   if (($sdl_major_version > major) ||
-      (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
-      (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
-    {
-      return 0;
-    }
-  else
-    {
-      printf("\n*** 'sdl2-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
-      printf("*** of SDL required is %d.%d.%d. If sdl2-config is correct, then it is\n", major, minor, micro);
-      printf("*** best to upgrade to the required version.\n");
-      printf("*** If sdl2-config was wrong, set the environment variable SDL2_CONFIG\n");
-      printf("*** to point to the correct copy of sdl2-config, and remove the file\n");
-      printf("*** config.cache before re-running configure\n");
-      return 1;
-    }
-}
-
-],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
-        CFLAGS="$ac_save_CFLAGS"
-        CXXFLAGS="$ac_save_CXXFLAGS"
-        LIBS="$ac_save_LIBS"
-      fi
-    fi
-    if test "x$no_sdl" = x ; then
-      AC_MSG_RESULT(yes)
-    else
-      AC_MSG_RESULT(no)
-    fi
-  fi
-  if test "x$no_sdl" = x ; then
-     ifelse([$2], , :, [$2])
-  else
-     if test "$SDL2_CONFIG" = "no" ; then
-       echo "*** The sdl2-config script installed by SDL could not be found"
-       echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
-       echo "*** your path, or set the SDL2_CONFIG environment variable to the"
-       echo "*** full path to sdl2-config."
-     else
-       if test -f conf.sdltest ; then
-        :
-       else
-          echo "*** Could not run SDL test program, checking why..."
-          CFLAGS="$CFLAGS $SDL_CFLAGS"
-          CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
-          LIBS="$LIBS $SDL_LIBS"
-          AC_TRY_LINK([
-#include <stdio.h>
-#include "SDL.h"
-
-int main(int argc, char *argv[])
-{ return 0; }
-#undef  main
-#define main K_and_R_C_main
-],      [ return 0; ],
-        [ echo "*** The test program compiled, but did not run. This usually means"
-          echo "*** that the run-time linker is not finding SDL or finding the wrong"
-          echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
-          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
-          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
-          echo "*** is required on your system"
-          echo "***"
-          echo "*** If you have an old version installed, it is best to remove it, although"
-          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
-        [ echo "*** The test program failed to compile or link. See the file config.log for the"
-          echo "*** exact error that occured. This usually means SDL was incorrectly installed"
-          echo "*** or that you have moved SDL since it was installed. In the latter case, you"
-          echo "*** may want to edit the sdl2-config script: $SDL2_CONFIG" ])
-          CFLAGS="$ac_save_CFLAGS"
-          CXXFLAGS="$ac_save_CXXFLAGS"
-          LIBS="$ac_save_LIBS"
-       fi
-     fi
-     SDL_CFLAGS=""
-     SDL_LIBS=""
-     ifelse([$3], , :, [$3])
-  fi
-  AC_SUBST(SDL_CFLAGS)
-  AC_SUBST(SDL_LIBS)
-  rm -f conf.sdltest
-])