1# Configure paths for libmikmod 2# 3# Derived from glib.m4 (Owen Taylor 97-11-3) 4# Improved by Chris Butler 5# 6 7dnl AM_PATH_LIBMIKMOD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) 8dnl Test for libmikmod, and define LIBMIKMOD_CFLAGS, LIBMIKMOD_LIBS and 9dnl LIBMIKMOD_LDADD 10dnl 11AC_DEFUN([AM_PATH_LIBMIKMOD], 12[dnl 13dnl Get the cflags and libraries from the libmikmod-config script 14dnl 15AC_ARG_WITH(libmikmod-prefix,[ --with-libmikmod-prefix=PFX Prefix where libmikmod is installed (optional)], 16 libmikmod_config_prefix="$withval", libmikmod_config_prefix="") 17AC_ARG_WITH(libmikmod-exec-prefix,[ --with-libmikmod-exec-prefix=PFX Exec prefix where libmikmod is installed (optional)], 18 libmikmod_config_exec_prefix="$withval", libmikmod_config_exec_prefix="") 19AC_ARG_ENABLE(libmikmodtest, [ --disable-libmikmodtest Do not try to compile and run a test libmikmod program], 20 , enable_libmikmodtest=yes) 21 22 if test x$libmikmod_config_exec_prefix != x ; then 23 libmikmod_config_args="$libmikmod_config_args --exec-prefix=$libmikmod_config_exec_prefix" 24 if test x${LIBMIKMOD_CONFIG+set} != xset ; then 25 LIBMIKMOD_CONFIG=$libmikmod_config_exec_prefix/bin/libmikmod-config 26 fi 27 fi 28 if test x$libmikmod_config_prefix != x ; then 29 libmikmod_config_args="$libmikmod_config_args --prefix=$libmikmod_config_prefix" 30 if test x${LIBMIKMOD_CONFIG+set} != xset ; then 31 LIBMIKMOD_CONFIG=$libmikmod_config_prefix/bin/libmikmod-config 32 fi 33 fi 34 35 AC_PATH_PROG(LIBMIKMOD_CONFIG, libmikmod-config, no) 36 min_libmikmod_version=ifelse([$1], ,3.1.5,$1) 37 AC_MSG_CHECKING(for libmikmod - version >= $min_libmikmod_version) 38 no_libmikmod="" 39 if test "$LIBMIKMOD_CONFIG" = "no" ; then 40 no_libmikmod=yes 41 else 42 LIBMIKMOD_CFLAGS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --cflags` 43 LIBMIKMOD_LIBS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --libs` 44 LIBMIKMOD_LDADD=`$LIBMIKMOD_CONFIG $libmikmod_config_args --ldadd` 45 libmikmod_config_major_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 46 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'` 47 libmikmod_config_minor_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 48 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'` 49 libmikmod_config_micro_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 50 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'` 51 if test "x$enable_libmikmodtest" = "xyes" ; then 52 ac_save_CFLAGS="$CFLAGS" 53 ac_save_LIBS="$LIBS" 54 AC_LANG_SAVE 55 AC_LANG_C 56 CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS $LIBMIKMOD_LDADD" 57 LIBS="$LIBMIKMOD_LIBS $LIBS" 58dnl 59dnl Now check if the installed libmikmod is sufficiently new. (Also sanity 60dnl checks the results of libmikmod-config to some extent 61dnl 62 rm -f conf.mikmodtest 63 AC_TRY_RUN([ 64#include <stdio.h> 65#include <stdlib.h> 66#include <string.h> 67#include <mikmod.h> 68 69char* my_strdup (char *str) 70{ 71 char *new_str; 72 73 if (str) { 74 new_str = (char *) malloc ((strlen (str) + 1) * sizeof(char)); 75 strcpy (new_str, str); 76 } else 77 new_str = NULL; 78 79 return new_str; 80} 81 82int main() 83{ 84 int major,minor,micro; 85 int libmikmod_major_version,libmikmod_minor_version,libmikmod_micro_version; 86 char *tmp_version; 87 88 system("touch conf.mikmodtest"); 89 90 /* HP/UX 9 (%@#!) writes to sscanf strings */ 91 tmp_version = my_strdup("$min_libmikmod_version"); 92 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 93 printf("%s, bad version string\n", "$min_libmikmod_version"); 94 exit(1); 95 } 96 97 libmikmod_major_version=(MikMod_GetVersion() >> 16) & 255; 98 libmikmod_minor_version=(MikMod_GetVersion() >> 8) & 255; 99 libmikmod_micro_version=(MikMod_GetVersion() ) & 255; 100 101 if ((libmikmod_major_version != $libmikmod_config_major_version) || 102 (libmikmod_minor_version != $libmikmod_config_minor_version) || 103 (libmikmod_micro_version != $libmikmod_config_micro_version)) 104 { 105 printf("\n*** 'libmikmod-config --version' returned %d.%d.%d, but libmikmod (%d.%d.%d)\n", 106 $libmikmod_config_major_version, $libmikmod_config_minor_version, $libmikmod_config_micro_version, 107 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 108 printf ("*** was found! If libmikmod-config was correct, then it is best\n"); 109 printf ("*** to remove the old version of libmikmod. You may also be able to fix the error\n"); 110 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); 111 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); 112 printf("*** required on your system.\n"); 113 printf("*** If libmikmod-config was wrong, set the environment variable LIBMIKMOD_CONFIG\n"); 114 printf("*** to point to the correct copy of libmikmod-config, and remove the file config.cache\n"); 115 printf("*** before re-running configure\n"); 116 } 117 else if ((libmikmod_major_version != LIBMIKMOD_VERSION_MAJOR) || 118 (libmikmod_minor_version != LIBMIKMOD_VERSION_MINOR) || 119 (libmikmod_micro_version != LIBMIKMOD_REVISION)) 120 { 121 printf("*** libmikmod header files (version %d.%d.%d) do not match\n", 122 LIBMIKMOD_VERSION_MAJOR, LIBMIKMOD_VERSION_MINOR, LIBMIKMOD_REVISION); 123 printf("*** library (version %d.%d.%d)\n", 124 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 125 } 126 else 127 { 128 if ((libmikmod_major_version > major) || 129 ((libmikmod_major_version == major) && (libmikmod_minor_version > minor)) || 130 ((libmikmod_major_version == major) && (libmikmod_minor_version == minor) && (libmikmod_micro_version >= micro))) 131 { 132 return 0; 133 } 134 else 135 { 136 printf("\n*** An old version of libmikmod (%d.%d.%d) was found.\n", 137 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 138 printf("*** You need a version of libmikmod newer than %d.%d.%d.\n", 139 major, minor, micro); 140 printf("***\n"); 141 printf("*** If you have already installed a sufficiently new version, this error\n"); 142 printf("*** probably means that the wrong copy of the libmikmod-config shell script is\n"); 143 printf("*** being found. The easiest way to fix this is to remove the old version\n"); 144 printf("*** of libmikmod, but you can also set the LIBMIKMOD_CONFIG environment to point to the\n"); 145 printf("*** correct copy of libmikmod-config. (In this case, you will have to\n"); 146 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); 147 printf("*** so that the correct libraries are found at run-time))\n"); 148 } 149 } 150 return 1; 151} 152],, no_libmikmod=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 153 CFLAGS="$ac_save_CFLAGS" 154 LIBS="$ac_save_LIBS" 155 AC_LANG_RESTORE 156 fi 157 fi 158 if test "x$no_libmikmod" = x ; then 159 AC_MSG_RESULT([yes, `$LIBMIKMOD_CONFIG --version`]) 160 ifelse([$2], , :, [$2]) 161 else 162 AC_MSG_RESULT(no) 163 if test "$LIBMIKMOD_CONFIG" = "no" ; then 164 echo "*** The libmikmod-config script installed by libmikmod could not be found" 165 echo "*** If libmikmod was installed in PREFIX, make sure PREFIX/bin is in" 166 echo "*** your path, or set the LIBMIKMOD_CONFIG environment variable to the" 167 echo "*** full path to libmikmod-config." 168 else 169 if test -f conf.mikmodtest ; then 170 : 171 else 172 echo "*** Could not run libmikmod test program, checking why..." 173 CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS" 174 LIBS="$LIBS $LIBMIKMOD_LIBS" 175 AC_LANG_SAVE 176 AC_LANG_C 177 AC_TRY_LINK([ 178#include <mikmod.h> 179#include <stdio.h> 180], [ return (MikMod_GetVersion()!=0); ], 181 [ echo "*** The test program compiled, but did not run. This usually means" 182 echo "*** that the run-time linker is not finding libmikmod or finding the wrong" 183 echo "*** version of libmikmod. If it is not finding libmikmod, you'll need to set your" 184 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 185 echo "*** to the installed location. Also, make sure you have run ldconfig if that" 186 echo "*** is required on your system." 187 echo "***" 188 echo "*** If you have an old version installed, it is best to remove it, although" 189 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 190 [ echo "*** The test program failed to compile or link. See the file config.log for the" 191 echo "*** exact error that occured. This usually means libmikmod was incorrectly installed" 192 echo "*** or that you have moved libmikmod since it was installed. In the latter case, you" 193 echo "*** may want to edit the libmikmod-config script: $LIBMIKMOD_CONFIG" ]) 194 CFLAGS="$ac_save_CFLAGS" 195 LIBS="$ac_save_LIBS" 196 AC_LANG_RESTORE 197 fi 198 fi 199 LIBMIKMOD_CFLAGS="" 200 LIBMIKMOD_LIBS="" 201 LIBMIKMOD_LDADD="" 202 ifelse([$3], , :, [$3]) 203 fi 204 AC_SUBST(LIBMIKMOD_CFLAGS) 205 AC_SUBST(LIBMIKMOD_LIBS) 206 AC_SUBST(LIBMIKMOD_LDADD) 207 rm -f conf.mikmodtest 208]) 209