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|
# Configure paths for libFLAC
# "Inspired" by ogg.m4
dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libFLAC, and define LIBFLAC_CFLAGS and LIBFLAC_LIBS
dnl
AC_DEFUN([AM_PATH_LIBFLAC],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(libFLAC-prefix, AS_HELP_STRING([--with-libFLAC-prefix=DIR], [prefix where libFLAC is installed (optional)]), libFLAC_prefix="$withval", libFLAC_prefix="")
AC_ARG_WITH(libFLAC-libraries, AS_HELP_STRING([--with-libFLAC-libraries=DIR], [directory where libFLAC library is installed (optional)]), libFLAC_libraries="$withval", libFLAC_libraries="")
AC_ARG_WITH(libFLAC-includes, AS_HELP_STRING([--with-libFLAC-includes=DIR], [directory where libFLAC header files are installed (optional)]), libFLAC_includes="$withval", libFLAC_includes="")
AC_ARG_ENABLE(libFLACtest, AS_HELP_STRING([--disable-libFLACtest], [do not try to compile and run a test libFLAC program]), enable_libFLACtest=$enableval, enable_libFLACtest=yes)
AC_MSG_CHECKING([libdir name])
case $host_or_hostalias in
*-*-linux*)
# Test if the compiler is 64bit
echo 'int i;' > conftest.$ac_ext
xine_cv_cc_64bit_output=no
if AC_TRY_EVAL(ac_compile); then
case `"$MAGIC_CMD" conftest.$ac_objext` in
*"ELF 64"*)
xine_cv_cc_64bit_output=yes
;;
esac
fi
rm -rf conftest*
;;
esac
case $host_cpu:$xine_cv_cc_64bit_output in
powerpc64:yes | s390x:yes | sparc64:yes | x86_64:yes)
XINE_LIBNAME="lib64"
;;
*:*)
XINE_LIBNAME="lib"
;;
esac
AC_MSG_RESULT([$XINE_LIBNAME])
if test "x$libFLAC_libraries" != "x" ; then
LIBFLAC_LIBS="-L$libFLAC_libraries"
elif test "x$libFLAC_prefix" != "x" ; then
LIBFLAC_LIBS="-L$libFLAC_prefix/$XINE_LIBNAME"
elif test "x$prefix" != "xNONE" ; then
LIBFLAC_LIBS="-L$prefix/$XINE_LIBNAME"
fi
LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC -lm"
if test "x$libFLAC_includes" != "x" ; then
LIBFLAC_CFLAGS="-I$libFLAC_includes"
elif test "x$libFLAC_prefix" != "x" ; then
LIBFLAC_CFLAGS="-I$libFLAC_prefix/include"
elif test "$prefix" != "xNONE"; then
LIBFLAC_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for libFLAC)
no_libFLAC=""
if test "x$enable_libFLACtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_CXXFLAGS="$CXXFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
LIBS="$LIBS $LIBFLAC_LIBS"
dnl
dnl Now check if the installed libFLAC is sufficiently new.
dnl
rm -f conf.libFLACtest
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <FLAC/format.h>
int main ()
{
system("touch conf.libFLACtest");
return 0;
}
]])],[],[no_libFLAC=yes],[no_libFLAC=cc])
if test "x$no_libFLAC" = xcc; then
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <FLAC/format.h>
]], [[ return 0; ]])],[no_libFLAC=''],[no_libFLAC=yes])
fi
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_libFLAC" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.libFLACtest ; then
:
else
echo "*** Could not run libFLAC test program, checking why..."
CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
LIBS="$LIBS $LIBFLAC_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <FLAC/format.h>
]], [[ return 0; ]])],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding libFLAC or finding the wrong"
echo "*** version of libFLAC. If it is not finding libFLAC, 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 libFLAC was incorrectly installed"
echo "*** or that you have moved libFLAC since it was installed. In the latter case, you"
echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
LIBFLAC_CFLAGS=""
LIBFLAC_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(LIBFLAC_CFLAGS)
AC_SUBST(LIBFLAC_LIBS)
rm -f conf.libFLACtest
])
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