1# Configure paths for SDLmm 2# David Hedbor, 2000-07-22 3# stolen from SDL 4# stolen from Manish Singh 5# stolen back from Frank Belew 6# stolen from Manish Singh 7# Shamelessly stolen from Owen Taylor 8 9dnl AM_PATH_SDLMM([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 10dnl Test for SDLmm, and define SDLMM_CXXFLAGS and SDLMM_LIBS 11dnl 12AC_DEFUN(AM_PATH_SDLMM, 13[dnl 14dnl Get the cflags and libraries from the ismap-config script 15dnl 16AC_ARG_WITH(sdlmm-prefix,[ --with-sdlmm-prefix=PFX Prefix where SDLmm is installed (optional)], 17 sdlmm_prefix="$withval", sdlmm_prefix="") 18AC_ARG_WITH(sdlmm-exec-prefix,[ --with-sdlmm-exec-prefix=PFX Exec prefix where SDLmm is installed (optional)], 19 sdlmm_exec_prefix="$withval", sdlmm_exec_prefix="") 20AC_ARG_ENABLE(sdlmmtest, [ --disable-sdlmmtest Do not try to compile and run a test SDLmm program], 21 , enable_sdlmmtest=yes) 22 23 if test x$sdlmm_exec_prefix != x ; then 24 sdlmm_args="$sdlmm_args --exec-prefix=$sdlmm_exec_prefix" 25 if test x${SDLMM_CONFIG+set} != xset ; then 26 SDLMM_CONFIG=$sdlmm_exec_prefix/bin/sdlmm-config 27 fi 28 fi 29 if test x$sdlmm_prefix != x ; then 30 sdlmm_args="$sdlmm_args --prefix=$sdlmm_prefix" 31 if test x${SDLMM_CONFIG+set} != xset ; then 32 SDLMM_CONFIG=$sdlmm_prefix/bin/sdlmm-config 33 fi 34 fi 35 36 AC_PATH_PROG(SDLMM_CONFIG, sdlmm-config, no) 37 min_sdlmm_version=ifelse([$1], ,0.11.0,$1) 38 AC_MSG_CHECKING(for SDLmm version >= $min_sdlmm_version) 39 no_sdlmm="" 40 if test "$SDLMM_CONFIG" = "no" ; then 41 no_sdlmm=yes 42 else 43 SDLMM_CXXFLAGS=`$SDLMM_CONFIG $sdlmmconf_args --cflags` 44 SDLMM_LIBS=`$SDLMM_CONFIG $sdlmmconf_args --libs` 45 46 sdlmm_major_version=`$SDLMM_CONFIG $sdlmm_args --version | \ 47 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 48 sdlmm_minor_version=`$SDLMM_CONFIG $sdlmm_args --version | \ 49 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 50 sdlmm_micro_version=`$SDLMM_CONFIG $sdlmm_config_args --version | \ 51 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 52 if test "x$enable_sdlmmtest" = "xyes" ; then 53 ac_save_CXXFLAGS="$CXXFLAGS" 54 ac_save_LIBS="$LIBS" 55 CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS" 56 LIBS="$LIBS $SDLMM_LIBS" 57dnl 58dnl Now check if the installed SDLmm is sufficiently new. (Also sanity 59dnl checks the results of sdlmm-config to some extent 60dnl 61 rm -f conf.sdlmmtest 62 AC_TRY_RUN([ 63#include <cstdio> 64#include <cstring> 65#include "SDLmm/sdlmm.h" 66char* 67my_strdup (char *str) 68{ 69 char *new_str; 70 71 if (str) 72 { 73 new_str = (char *)malloc ((std::strlen (str) + 1) * sizeof(char)); 74 std::strcpy (new_str, str); 75 } 76 else 77 new_str = NULL; 78 79 return new_str; 80} 81 82int main (int argc, char *argv[]) 83{ 84 int major, minor, micro; 85 char *tmp_version; 86 87 /* This hangs on some systems (?) 88 system ("touch conf.sdlmmtest"); 89 */ 90 { FILE *fp = fopen("conf.sdlmmtest", "a"); if ( fp ) fclose(fp); } 91 92 /* HP/UX 9 (%@#!) writes to sscanf strings */ 93 tmp_version = my_strdup("$min_sdlmm_version"); 94 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 95 printf("%s, bad version string\n", "$min_sdlmm_version"); 96 return 1; 97 } 98 99 if (($sdlmm_major_version > major) || 100 (($sdlmm_major_version == major) && ($sdlmm_minor_version > minor)) || 101 (($sdlmm_major_version == major) && ($sdlmm_minor_version == minor) && ($sdlmm_micro_version >= micro))) 102 { 103 return 0; 104 } 105 else 106 { 107 printf("\n*** 'sdlmm-config --version' returned %d.%d.%d, but the minimum version\n", $sdlmm_major_version, $sdlmm_minor_version, $sdlmm_micro_version); 108 printf("*** of SDLmm required is %d.%d.%d. If sdlmm-config is correct, then it is\n", major, minor, micro); 109 printf("*** best to upgrade to the required version.\n"); 110 printf("*** If sdlmm-config was wrong, set the environment variable SDLMM_CONFIG\n"); 111 printf("*** to point to the correct copy of sdlmm-config, and remove the file\n"); 112 printf("*** config.cache before re-running configure\n"); 113 return 1; 114 } 115} 116 117],, no_sdlmm=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 118 CXXFLAGS="$ac_save_CXXFLAGS" 119 LIBS="$ac_save_LIBS" 120 fi 121 fi 122 if test "x$no_sdlmm" = x ; then 123 AC_MSG_RESULT(yes) 124 ifelse([$2], , :, [$2]) 125 else 126 AC_MSG_RESULT(no) 127 if test "$SDLMM_CONFIG" = "no" ; then 128 echo "*** The sdlmm-config script installed by SDLmm could not be found" 129 echo "*** If SDLmm was installed in PREFIX, make sure PREFIX/bin is in" 130 echo "*** your path, or set the SDLMM_CONFIG environment variable to the" 131 echo "*** full path to sdlmm-config." 132 else 133 if test -f conf.sdlmmtest ; then 134 : 135 else 136 echo "*** Could not run SDLmm test program, checking why..." 137 CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS" 138 LIBS="$LIBS $SDLMM_LIBS" 139 AC_TRY_LINK([ 140#include <cstdio> 141#include "sdlmm.h" 142], [ return 0; ], 143 [ echo "*** The test program compiled, but did not run. This usually means" 144 echo "*** that the run-time linker is not finding SDLmm or finding the wrong" 145 echo "*** version of SDLmm. If it is not finding SDLmm, you'll need to set your" 146 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 147 echo "*** to the installed location Also, make sure you have run ldconfig if that" 148 echo "*** is required on your system" 149 echo "***" 150 echo "*** If you have an old version installed, it is best to remove it, although" 151 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 152 [ echo "*** The test program failed to compile or link. See the file config.log for the" 153 echo "*** exact error that occured. This usually means SDLmm was incorrectly installed" 154 echo "*** or that you have moved SDLmm since it was installed. In the latter case, you" 155 echo "*** may want to edit the sdlmm-config script: $SDLMM_CONFIG" ]) 156 CXXFLAGS="$ac_save_CXXFLAGS" 157 LIBS="$ac_save_LIBS" 158 fi 159 fi 160 SDLMM_CXXFLAGS="" 161 SDLMM_LIBS="" 162 ifelse([$3], , :, [$3]) 163 fi 164 AC_SUBST(SDLMM_CXXFLAGS) 165 AC_SUBST(SDLMM_LIBS) 166 rm -f conf.sdlmmtest 167]) 168