1# generated automatically by aclocal 1.10 -*- Autoconf -*- 2 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4# 2005, 2006 Free Software Foundation, Inc. 5# This file is free software; the Free Software Foundation 6# gives unlimited permission to copy and/or distribute it, 7# with or without modifications, as long as this notice is preserved. 8 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without 11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A 12# PARTICULAR PURPOSE. 13 14m4_if(m4_PACKAGE_VERSION, [2.61],, 15[m4_fatal([this file was generated for autoconf 2.61. 16You have another version of autoconf. If you want to use that, 17you should regenerate the build system entirely.], [63])]) 18 19# Configure paths for SDL 20# Sam Lantinga 9/21/99 21# stolen from Manish Singh 22# stolen back from Frank Belew 23# stolen from Manish Singh 24# Shamelessly stolen from Owen Taylor 25 26dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 27dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS 28dnl 29AC_DEFUN([AM_PATH_SDL], 30[dnl 31dnl Get the cflags and libraries from the sdl-config script 32dnl 33AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], 34 sdl_prefix="$withval", sdl_prefix="") 35AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], 36 sdl_exec_prefix="$withval", sdl_exec_prefix="") 37AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], 38 , enable_sdltest=yes) 39 40 if test x$sdl_exec_prefix != x ; then 41 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix" 42 if test x${SDL_CONFIG+set} != xset ; then 43 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config 44 fi 45 fi 46 if test x$sdl_prefix != x ; then 47 sdl_args="$sdl_args --prefix=$sdl_prefix" 48 if test x${SDL_CONFIG+set} != xset ; then 49 SDL_CONFIG=$sdl_prefix/bin/sdl-config 50 fi 51 fi 52 53 if test "x$prefix" != xNONE; then 54 PATH="$prefix/bin:$prefix/usr/bin:$PATH" 55 fi 56 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) 57 min_sdl_version=ifelse([$1], ,0.11.0,$1) 58 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) 59 no_sdl="" 60 if test "$SDL_CONFIG" = "no" ; then 61 no_sdl=yes 62 else 63 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags` 64 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs` 65 66 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \ 67 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 68 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \ 69 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 70 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ 71 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 72 if test "x$enable_sdltest" = "xyes" ; then 73 ac_save_CFLAGS="$CFLAGS" 74 ac_save_CXXFLAGS="$CXXFLAGS" 75 ac_save_LIBS="$LIBS" 76 CFLAGS="$CFLAGS $SDL_CFLAGS" 77 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" 78 LIBS="$LIBS $SDL_LIBS" 79dnl 80dnl Now check if the installed SDL is sufficiently new. (Also sanity 81dnl checks the results of sdl-config to some extent 82dnl 83 rm -f conf.sdltest 84 AC_TRY_RUN([ 85#include <stdio.h> 86#include <stdlib.h> 87#include <string.h> 88#include "SDL.h" 89 90char* 91my_strdup (char *str) 92{ 93 char *new_str; 94 95 if (str) 96 { 97 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); 98 strcpy (new_str, str); 99 } 100 else 101 new_str = NULL; 102 103 return new_str; 104} 105 106int main (int argc, char *argv[]) 107{ 108 int major, minor, micro; 109 char *tmp_version; 110 111 /* This hangs on some systems (?) 112 system ("touch conf.sdltest"); 113 */ 114 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } 115 116 /* HP/UX 9 (%@#!) writes to sscanf strings */ 117 tmp_version = my_strdup("$min_sdl_version"); 118 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 119 printf("%s, bad version string\n", "$min_sdl_version"); 120 exit(1); 121 } 122 123 if (($sdl_major_version > major) || 124 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || 125 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) 126 { 127 return 0; 128 } 129 else 130 { 131 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); 132 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); 133 printf("*** best to upgrade to the required version.\n"); 134 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); 135 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); 136 printf("*** config.cache before re-running configure\n"); 137 return 1; 138 } 139} 140 141],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 142 CFLAGS="$ac_save_CFLAGS" 143 CXXFLAGS="$ac_save_CXXFLAGS" 144 LIBS="$ac_save_LIBS" 145 fi 146 fi 147 if test "x$no_sdl" = x ; then 148 AC_MSG_RESULT(yes) 149 ifelse([$2], , :, [$2]) 150 else 151 AC_MSG_RESULT(no) 152 if test "$SDL_CONFIG" = "no" ; then 153 echo "*** The sdl-config script installed by SDL could not be found" 154 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" 155 echo "*** your path, or set the SDL_CONFIG environment variable to the" 156 echo "*** full path to sdl-config." 157 else 158 if test -f conf.sdltest ; then 159 : 160 else 161 echo "*** Could not run SDL test program, checking why..." 162 CFLAGS="$CFLAGS $SDL_CFLAGS" 163 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" 164 LIBS="$LIBS $SDL_LIBS" 165 AC_TRY_LINK([ 166#include <stdio.h> 167#include "SDL.h" 168 169int main(int argc, char *argv[]) 170{ return 0; } 171#undef main 172#define main K_and_R_C_main 173], [ return 0; ], 174 [ echo "*** The test program compiled, but did not run. This usually means" 175 echo "*** that the run-time linker is not finding SDL or finding the wrong" 176 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" 177 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 178 echo "*** to the installed location Also, make sure you have run ldconfig if that" 179 echo "*** is required on your system" 180 echo "***" 181 echo "*** If you have an old version installed, it is best to remove it, although" 182 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 183 [ echo "*** The test program failed to compile or link. See the file config.log for the" 184 echo "*** exact error that occured. This usually means SDL was incorrectly installed" 185 echo "*** or that you have moved SDL since it was installed. In the latter case, you" 186 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) 187 CFLAGS="$ac_save_CFLAGS" 188 CXXFLAGS="$ac_save_CXXFLAGS" 189 LIBS="$ac_save_LIBS" 190 fi 191 fi 192 SDL_CFLAGS="" 193 SDL_LIBS="" 194 ifelse([$3], , :, [$3]) 195 fi 196 AC_SUBST(SDL_CFLAGS) 197 AC_SUBST(SDL_LIBS) 198 rm -f conf.sdltest 199]) 200 201# Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc. 202# 203# This file is free software; the Free Software Foundation 204# gives unlimited permission to copy and/or distribute it, 205# with or without modifications, as long as this notice is preserved. 206 207# AM_AUTOMAKE_VERSION(VERSION) 208# ---------------------------- 209# Automake X.Y traces this macro to ensure aclocal.m4 has been 210# generated from the m4 files accompanying Automake X.Y. 211# (This private macro should not be called outside this file.) 212AC_DEFUN([AM_AUTOMAKE_VERSION], 213[am__api_version='1.10' 214dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to 215dnl require some minimum version. 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