1# generated automatically by aclocal 1.9.5 -*- Autoconf -*- 2 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4# 2005 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 14# Configure paths for SDL 15# Sam Lantinga 9/21/99 16# stolen from Manish Singh 17# stolen back from Frank Belew 18# stolen from Manish Singh 19# Shamelessly stolen from Owen Taylor 20 21dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 22dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS 23dnl 24AC_DEFUN([AM_PATH_SDL], 25[dnl 26dnl Get the cflags and libraries from the sdl-config script 27dnl 28AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], 29 sdl_prefix="$withval", sdl_prefix="") 30AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], 31 sdl_exec_prefix="$withval", sdl_exec_prefix="") 32AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], 33 , enable_sdltest=yes) 34 35 if test x$sdl_exec_prefix != x ; then 36 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix" 37 if test x${SDL_CONFIG+set} != xset ; then 38 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config 39 fi 40 fi 41 if test x$sdl_prefix != x ; then 42 sdl_args="$sdl_args --prefix=$sdl_prefix" 43 if test x${SDL_CONFIG+set} != xset ; then 44 SDL_CONFIG=$sdl_prefix/bin/sdl-config 45 fi 46 fi 47 48 AC_REQUIRE([AC_CANONICAL_TARGET]) 49 PATH="$prefix/bin:$prefix/usr/bin:$PATH" 50 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) 51 min_sdl_version=ifelse([$1], ,0.11.0,$1) 52 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) 53 no_sdl="" 54 if test "$SDL_CONFIG" = "no" ; then 55 no_sdl=yes 56 else 57 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags` 58 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs` 59 60 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \ 61 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 62 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \ 63 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 64 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ 65 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 66 if test "x$enable_sdltest" = "xyes" ; then 67 ac_save_CFLAGS="$CFLAGS" 68 ac_save_LIBS="$LIBS" 69 CFLAGS="$CFLAGS $SDL_CFLAGS" 70 LIBS="$LIBS $SDL_LIBS" 71dnl 72dnl Now check if the installed SDL is sufficiently new. (Also sanity 73dnl checks the results of sdl-config to some extent 74dnl 75 rm -f conf.sdltest 76 AC_TRY_RUN([ 77#include <stdio.h> 78#include <stdlib.h> 79#include <string.h> 80#include "SDL.h" 81 82char* 83my_strdup (char *str) 84{ 85 char *new_str; 86 87 if (str) 88 { 89 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); 90 strcpy (new_str, str); 91 } 92 else 93 new_str = NULL; 94 95 return new_str; 96} 97 98int main (int argc, char *argv[]) 99{ 100 int major, minor, micro; 101 char *tmp_version; 102 103 /* This hangs on some systems (?) 104 system ("touch conf.sdltest"); 105 */ 106 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } 107 108 /* HP/UX 9 (%@#!) writes to sscanf strings */ 109 tmp_version = my_strdup("$min_sdl_version"); 110 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 111 printf("%s, bad version string\n", "$min_sdl_version"); 112 exit(1); 113 } 114 115 if (($sdl_major_version > major) || 116 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || 117 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) 118 { 119 return 0; 120 } 121 else 122 { 123 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); 124 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); 125 printf("*** best to upgrade to the required version.\n"); 126 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); 127 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); 128 printf("*** config.cache before re-running configure\n"); 129 return 1; 130 } 131} 132 133],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 134 CFLAGS="$ac_save_CFLAGS" 135 LIBS="$ac_save_LIBS" 136 fi 137 fi 138 if test "x$no_sdl" = x ; then 139 AC_MSG_RESULT(yes) 140 ifelse([$2], , :, [$2]) 141 else 142 AC_MSG_RESULT(no) 143 if test "$SDL_CONFIG" = "no" ; then 144 echo "*** The sdl-config script installed by SDL could not be found" 145 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" 146 echo "*** your path, or set the SDL_CONFIG environment variable to the" 147 echo "*** full path to sdl-config." 148 else 149 if test -f conf.sdltest ; then 150 : 151 else 152 echo "*** Could not run SDL test program, checking why..." 153 CFLAGS="$CFLAGS $SDL_CFLAGS" 154 LIBS="$LIBS $SDL_LIBS" 155 AC_TRY_LINK([ 156#include <stdio.h> 157#include "SDL.h" 158 159int main(int argc, char *argv[]) 160{ return 0; } 161#undef main 162#define main K_and_R_C_main 163], [ return 0; ], 164 [ echo "*** The test program compiled, but did not run. This usually means" 165 echo "*** that the run-time linker is not finding SDL or finding the wrong" 166 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" 167 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 168 echo "*** to the installed location Also, make sure you have run ldconfig if that" 169 echo "*** is required on your system" 170 echo "***" 171 echo "*** If you have an old version installed, it is best to remove it, although" 172 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 173 [ echo "*** The test program failed to compile or link. See the file config.log for the" 174 echo "*** exact error that occured. This usually means SDL was incorrectly installed" 175 echo "*** or that you have moved SDL since it was installed. In the latter case, you" 176 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) 177 CFLAGS="$ac_save_CFLAGS" 178 LIBS="$ac_save_LIBS" 179 fi 180 fi 181 SDL_CFLAGS="" 182 SDL_LIBS="" 183 ifelse([$3], , :, [$3]) 184 fi 185 AC_SUBST(SDL_CFLAGS) 186 AC_SUBST(SDL_LIBS) 187 rm -f conf.sdltest 188]) 189 190# Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. 191# 192# This file is free software; the Free Software Foundation 193# gives unlimited permission to copy and/or distribute it, 194# with or without modifications, as long as this notice is preserved. 195 196# AM_AUTOMAKE_VERSION(VERSION) 197# ---------------------------- 198# Automake X.Y traces this macro to ensure aclocal.m4 has been 199# generated from the m4 files accompanying Automake X.Y. 200AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"]) 201 202# AM_SET_CURRENT_AUTOMAKE_VERSION 203# ------------------------------- 204# Call AM_AUTOMAKE_VERSION so it can be traced. 205# This function is AC_REQUIREd by AC_INIT_AUTOMAKE. 206AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], 207 [AM_AUTOMAKE_VERSION([1.9.5])]) 208 209# AM_AUX_DIR_EXPAND -*- Autoconf -*- 210 211# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. 212# 213# This file is free software; the Free Software Foundation 214# gives unlimited permission to copy and/or distribute it, 215# with or without modifications, as long as this notice is preserved. 216 217# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets 218# $ac_aux_dir to `$srcdir/foo'. 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