# Configure paths for libmikmod # # Derived from glib.m4 (Owen Taylor 97-11-3) # Improved by Chris Butler # dnl AM_PATH_LIBMIKMOD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for libmikmod, and define LIBMIKMOD_CFLAGS, LIBMIKMOD_LIBS and dnl LIBMIKMOD_LDADD dnl AC_DEFUN([AM_PATH_LIBMIKMOD], [dnl dnl Get the cflags and libraries from the libmikmod-config script dnl AC_ARG_WITH(libmikmod-prefix,[ --with-libmikmod-prefix=PFX Prefix where libmikmod is installed (optional)], libmikmod_config_prefix="$withval", libmikmod_config_prefix="") AC_ARG_WITH(libmikmod-exec-prefix,[ --with-libmikmod-exec-prefix=PFX Exec prefix where libmikmod is installed (optional)], libmikmod_config_exec_prefix="$withval", libmikmod_config_exec_prefix="") AC_ARG_ENABLE(libmikmodtest, [ --disable-libmikmodtest Do not try to compile and run a test libmikmod program], , enable_libmikmodtest=yes) if test x$libmikmod_config_exec_prefix != x ; then libmikmod_config_args="$libmikmod_config_args --exec-prefix=$libmikmod_config_exec_prefix" if test x${LIBMIKMOD_CONFIG+set} != xset ; then LIBMIKMOD_CONFIG=$libmikmod_config_exec_prefix/bin/libmikmod-config fi fi if test x$libmikmod_config_prefix != x ; then libmikmod_config_args="$libmikmod_config_args --prefix=$libmikmod_config_prefix" if test x${LIBMIKMOD_CONFIG+set} != xset ; then LIBMIKMOD_CONFIG=$libmikmod_config_prefix/bin/libmikmod-config fi fi AC_PATH_PROG(LIBMIKMOD_CONFIG, libmikmod-config, no) min_libmikmod_version=ifelse([$1], ,3.1.5,$1) AC_MSG_CHECKING(for libmikmod - version >= $min_libmikmod_version) no_libmikmod="" if test "$LIBMIKMOD_CONFIG" = "no" ; then no_libmikmod=yes else LIBMIKMOD_CFLAGS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --cflags` LIBMIKMOD_LIBS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --libs` LIBMIKMOD_LDADD=`$LIBMIKMOD_CONFIG $libmikmod_config_args --ldadd` libmikmod_config_major_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'` libmikmod_config_minor_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'` libmikmod_config_micro_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'` if test "x$enable_libmikmodtest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" AC_LANG_PUSH([C]) CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS $LIBMIKMOD_LDADD" LIBS="$LIBMIKMOD_LIBS $LIBS" dnl dnl Now check if the installed libmikmod is sufficiently new. (Also sanity dnl checks the results of libmikmod-config to some extent dnl rm -f conf.mikmodtest AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include #include int main (void) { int major,minor,micro; int libmikmod_major_version,libmikmod_minor_version,libmikmod_micro_version; FILE *fp = fopen("conf.mikmodtest", "w"); if (fp) fclose(fp); if (sscanf("$min_libmikmod_version", "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_libmikmod_version"); exit(1); } libmikmod_major_version=(MikMod_GetVersion() >> 16) & 255; libmikmod_minor_version=(MikMod_GetVersion() >> 8) & 255; libmikmod_micro_version=(MikMod_GetVersion() ) & 255; if ((libmikmod_major_version != $libmikmod_config_major_version) || (libmikmod_minor_version != $libmikmod_config_minor_version) || (libmikmod_micro_version != $libmikmod_config_micro_version)) { printf("\n*** 'libmikmod-config --version' returned %d.%d.%d, but libmikmod (%d.%d.%d)\n", $libmikmod_config_major_version, $libmikmod_config_minor_version, $libmikmod_config_micro_version, libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); printf ("*** was found! If libmikmod-config was correct, then it is best\n"); printf ("*** to remove the old version of libmikmod. You may also be able to fix the error\n"); printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); printf("*** required on your system.\n"); printf("*** If libmikmod-config was wrong, set the environment variable LIBMIKMOD_CONFIG\n"); printf("*** to point to the correct copy of libmikmod-config, and remove the file config.cache\n"); printf("*** before re-running configure\n"); } else if ((libmikmod_major_version != LIBMIKMOD_VERSION_MAJOR) || (libmikmod_minor_version != LIBMIKMOD_VERSION_MINOR) || (libmikmod_micro_version != LIBMIKMOD_REVISION)) { printf("*** libmikmod header files (version %d.%d.%d) do not match\n", LIBMIKMOD_VERSION_MAJOR, LIBMIKMOD_VERSION_MINOR, LIBMIKMOD_REVISION); printf("*** library (version %d.%d.%d)\n", libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); } else { if ((libmikmod_major_version > major) || ((libmikmod_major_version == major) && (libmikmod_minor_version > minor)) || ((libmikmod_major_version == major) && (libmikmod_minor_version == minor) && (libmikmod_micro_version >= micro))) { return 0; } else { printf("\n*** An old version of libmikmod (%d.%d.%d) was found.\n", libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version); printf("*** You need a version of libmikmod newer than %d.%d.%d.\n", major, minor, micro); printf("***\n"); printf("*** If you have already installed a sufficiently new version, this error\n"); printf("*** probably means that the wrong copy of the libmikmod-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of libmikmod, but you can also set the LIBMIKMOD_CONFIG environment to point to the\n"); printf("*** correct copy of libmikmod-config. (In this case, you will have to\n"); printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); printf("*** so that the correct libraries are found at run-time))\n"); } } return 1; } ]])], [], [no_libmikmod=yes], [echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" AC_LANG_POP([C]) fi fi if test "x$no_libmikmod" = x ; then AC_MSG_RESULT([yes, `$LIBMIKMOD_CONFIG --version`]) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$LIBMIKMOD_CONFIG" = "no" ; then echo "*** The libmikmod-config script installed by libmikmod could not be found" echo "*** If libmikmod was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the LIBMIKMOD_CONFIG environment variable to the" echo "*** full path to libmikmod-config." else if test -f conf.mikmodtest ; then : else echo "*** Could not run libmikmod test program, checking why..." CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS" LIBS="$LIBS $LIBMIKMOD_LIBS" AC_LANG_PUSH([C]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ return (MikMod_GetVersion()!=0); ]])], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding libmikmod or finding the wrong" echo "*** version of libmikmod. If it is not finding libmikmod, you'll need to set your" echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" echo "*** to the installed location. Also, make sure you have run ldconfig if that" echo "*** is required on your system." echo "***" echo "*** If you have an old version installed, it is best to remove it, although" echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], [ echo "*** The test program failed to compile or link. See the file config.log for the" echo "*** exact error that occured. This usually means libmikmod was incorrectly installed" echo "*** or that you have moved libmikmod since it was installed. In the latter case, you" echo "*** may want to edit the libmikmod-config script: $LIBMIKMOD_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" AC_LANG_POP([C]) fi fi LIBMIKMOD_CFLAGS="" LIBMIKMOD_LIBS="" LIBMIKMOD_LDADD="" ifelse([$3], , :, [$3]) fi AC_SUBST(LIBMIKMOD_CFLAGS) AC_SUBST(LIBMIKMOD_LIBS) AC_SUBST(LIBMIKMOD_LDADD) rm -f conf.mikmodtest ])