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, 16 AC_HELP_STRING([--with-libmikmod-prefix=PFX], 17 [prefix where libmikmod is installed (optional)]), 18 libmikmod_config_prefix="$withval", libmikmod_config_prefix="") 19 20AC_ARG_WITH(libmikmod-exec-prefix, 21 AC_HELP_STRING([--with-libmikmod-exec-prefix=PFX], 22 [exec prefix where libmikmod is installed (optional)]), 23 libmikmod_config_exec_prefix="$withval", libmikmod_config_exec_prefix="") 24 25AC_ARG_ENABLE(libmikmodtest, 26 AC_HELP_STRING([--disable-libmikmodtest], 27 [Do not try to compile and run a test libmikmod program]), 28 , enable_libmikmodtest=yes) 29 30 if test x$libmikmod_config_exec_prefix != x ; then 31 libmikmod_config_args="$libmikmod_config_args --exec-prefix=$libmikmod_config_exec_prefix" 32 if test x${LIBMIKMOD_CONFIG+set} != xset ; then 33 LIBMIKMOD_CONFIG=$libmikmod_config_exec_prefix/bin/libmikmod-config 34 fi 35 fi 36 if test x$libmikmod_config_prefix != x ; then 37 libmikmod_config_args="$libmikmod_config_args --prefix=$libmikmod_config_prefix" 38 if test x${LIBMIKMOD_CONFIG+set} != xset ; then 39 LIBMIKMOD_CONFIG=$libmikmod_config_prefix/bin/libmikmod-config 40 fi 41 fi 42 43 AC_PATH_PROG(LIBMIKMOD_CONFIG, libmikmod-config, no) 44 min_libmikmod_version=ifelse([$1], ,3.1.5,$1) 45 AC_MSG_CHECKING(for libmikmod - version >= $min_libmikmod_version) 46 no_libmikmod="" 47 if test "$LIBMIKMOD_CONFIG" = "no" ; then 48 no_libmikmod=yes 49 else 50 LIBMIKMOD_CFLAGS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --cflags` 51 LIBMIKMOD_LIBS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --libs` 52 LIBMIKMOD_LDADD=`$LIBMIKMOD_CONFIG $libmikmod_config_args --ldadd` 53 libmikmod_config_major_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 54 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'` 55 libmikmod_config_minor_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 56 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'` 57 libmikmod_config_micro_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ 58 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'` 59 if test "x$enable_libmikmodtest" = "xyes" ; then 60 ac_save_CFLAGS="$CFLAGS" 61 ac_save_LIBS="$LIBS" 62 AC_LANG_SAVE 63 AC_LANG_C 64 CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS $LIBMIKMOD_LDADD" 65 LIBS="$LIBMIKMOD_LIBS $LIBS" 66dnl 67dnl Now check if the installed libmikmod is sufficiently new. (Also sanity 68dnl checks the results of libmikmod-config to some extent 69dnl 70 rm -f conf.mikmodtest 71 AC_TRY_RUN([ 72#include <mikmod.h> 73#include <stdio.h> 74#include <stdlib.h> 75#include <string.h> 76 77char* my_strdup (char *str) 78{ 79 char *new_str; 80 81 if (str) { 82 new_str = malloc ((strlen (str) + 1) * sizeof(char)); 83 strcpy (new_str, str); 84 } else 85 new_str = NULL; 86 87 return new_str; 88} 89 90int main() 91{ 92 int major,minor,micro; 93 int libmikmod_major_version,libmikmod_minor_version,libmikmod_micro_version; 94 char *tmp_version; 95 96 system("touch conf.mikmodtest"); 97 98 /* HP/UX 9 (%@#!) writes to sscanf strings */ 99 tmp_version = my_strdup("$min_libmikmod_version"); 100 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 101 printf("%s, bad version string\n", "$min_libmikmod_version"); 102 exit(1); 103 } 104 105 libmikmod_major_version=(MikMod_GetVersion() >> 16) & 255; 106 libmikmod_minor_version=(MikMod_GetVersion() >> 8) & 255; 107 libmikmod_micro_version=(MikMod_GetVersion() ) & 255; 108 109 if ((libmikmod_major_version != $libmikmod_config_major_version) || 110 (libmikmod_minor_version != $libmikmod_config_minor_version) || 111 (libmikmod_micro_version != $libmikmod_config_micro_version)) 112 { 113 printf("\n*** 'libmikmod-config --version' returned %d.%d.%d, but libmikmod (%d.%d.%d)\n", 114 $libmikmod_config_major_version, $libmikmod_config_minor_version, $libmikmod_config_micro_version, 115 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 116 printf ("*** was found! If libmikmod-config was correct, then it is best\n"); 117 printf ("*** to remove the old version of libmikmod. You may also be able to fix the error\n"); 118 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); 119 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); 120 printf("*** required on your system.\n"); 121 printf("*** If libmikmod-config was wrong, set the environment variable LIBMIKMOD_CONFIG\n"); 122 printf("*** to point to the correct copy of libmikmod-config, and remove the file config.cache\n"); 123 printf("*** before re-running configure\n"); 124 } 125 else if ((libmikmod_major_version != LIBMIKMOD_VERSION_MAJOR) || 126 (libmikmod_minor_version != LIBMIKMOD_VERSION_MINOR) || 127 (libmikmod_micro_version != LIBMIKMOD_REVISION)) 128 { 129 printf("*** libmikmod header files (version %ld.%ld.%ld) do not match\n", 130 LIBMIKMOD_VERSION_MAJOR, LIBMIKMOD_VERSION_MINOR, LIBMIKMOD_REVISION); 131 printf("*** library (version %d.%d.%d)\n", 132 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 133 } 134 else 135 { 136 if ((libmikmod_major_version > major) || 137 ((libmikmod_major_version == major) && (libmikmod_minor_version > minor)) || 138 ((libmikmod_major_version == major) && (libmikmod_minor_version == minor) && (libmikmod_micro_version >= micro))) 139 { 140 return 0; 141 } 142 else 143 { 144 printf("\n*** An old version of libmikmod (%d.%d.%d) was found.\n", 145 libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); 146 printf("*** You need a version of libmikmod newer than %d.%d.%d.\n", 147 major, minor, micro); 148 printf("***\n"); 149 printf("*** If you have already installed a sufficiently new version, this error\n"); 150 printf("*** probably means that the wrong copy of the libmikmod-config shell script is\n"); 151 printf("*** being found. The easiest way to fix this is to remove the old version\n"); 152 printf("*** of libmikmod, but you can also set the LIBMIKMOD_CONFIG environment to point to the\n"); 153 printf("*** correct copy of libmikmod-config. (In this case, you will have to\n"); 154 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); 155 printf("*** so that the correct libraries are found at run-time))\n"); 156 } 157 } 158 return 1; 159} 160],, no_libmikmod=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 161 CFLAGS="$ac_save_CFLAGS" 162 LIBS="$ac_save_LIBS" 163 AC_LANG_RESTORE 164 fi 165 fi 166 if test "x$no_libmikmod" = x ; then 167 AC_MSG_RESULT([yes, `$LIBMIKMOD_CONFIG --version`]) 168 ifelse([$2], , :, [$2]) 169 else 170 AC_MSG_RESULT(no) 171 if test "$LIBMIKMOD_CONFIG" = "no" ; then 172 echo "*** The libmikmod-config script installed by libmikmod could not be found" 173 echo "*** If libmikmod was installed in PREFIX, make sure PREFIX/bin is in" 174 echo "*** your path, or set the LIBMIKMOD_CONFIG environment variable to the" 175 echo "*** full path to libmikmod-config." 176 else 177 if test -f conf.mikmodtest ; then 178 : 179 else 180 echo "*** Could not run libmikmod test program, checking why..." 181 CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS" 182 LIBS="$LIBS $LIBMIKMOD_LIBS" 183 AC_LANG_SAVE 184 AC_LANG_C 185 AC_TRY_LINK([ 186#include <mikmod.h> 187#include <stdio.h> 188], [ return (MikMod_GetVersion()!=0); ], 189 [ echo "*** The test program compiled, but did not run. This usually means" 190 echo "*** that the run-time linker is not finding libmikmod or finding the wrong" 191 echo "*** version of libmikmod. If it is not finding libmikmod, you'll need to set your" 192 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 193 echo "*** to the installed location. Also, make sure you have run ldconfig if that" 194 echo "*** is required on your system." 195 echo "***" 196 echo "*** If you have an old version installed, it is best to remove it, although" 197 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 198 [ echo "*** The test program failed to compile or link. See the file config.log for the" 199 echo "*** exact error that occured. This usually means libmikmod was incorrectly installed" 200 echo "*** or that you have moved libmikmod since it was installed. In the latter case, you" 201 echo "*** may want to edit the libmikmod-config script: $LIBMIKMOD_CONFIG" ]) 202 CFLAGS="$ac_save_CFLAGS" 203 LIBS="$ac_save_LIBS" 204 AC_LANG_RESTORE 205 fi 206 fi 207 LIBMIKMOD_CFLAGS="" 208 LIBMIKMOD_LIBS="" 209 LIBMIKMOD_LDADD="" 210 ifelse([$3], , :, [$3]) 211 fi 212 AC_SUBST(LIBMIKMOD_CFLAGS) 213 AC_SUBST(LIBMIKMOD_LIBS) 214 AC_SUBST(LIBMIKMOD_LDADD) 215 rm -f conf.mikmodtest 216]) 217