# 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="$LIBS"
AC_LANG_SAVE
AC_LANG_C
CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS $LIBMIKMOD_LDADD"
LIBS="$LIBMIKMOD_LIBS $LIBS"
dnl
dnl Now check if the installed libmikmod is sufficiently new. (Also sanity
dnl checks the results of libmikmod-config to some extent
dnl
rm -f conf.mikmodtest
AC_TRY_RUN([
#include <mikmod.h>
#include <stdio.h>
#include <stdlib.h>
char* my_strdup (char *str)
{
char *new_str;
if (str) {
new_str = malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
} else
new_str = NULL;
return new_str;
}
int main()
{
int major,minor,micro;
int libmikmod_major_version,libmikmod_minor_version,libmikmod_micro_version;
char *tmp_version;
system("touch conf.mikmodtest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_libmikmod_version");
if (sscanf(tmp_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="$ac_save_LIBS"
AC_LANG_RESTORE
fi
fi
if test "x$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_SAVE
AC_LANG_C
AC_TRY_LINK([
#include <mikmod.h>
#include <stdio.h>
], [ 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_RESTORE
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
])
