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# Configure paths for libOggFLAC
# "Inspired" by ogg.m4
dnl AM_PATH_LIBOGGFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libOggFLAC, and define LIBOGGFLAC_CFLAGS and LIBOGGFLAC_LIBS
dnl
AC_DEFUN([AM_PATH_LIBOGGFLAC],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(libOggFLAC,[ --with-libOggFLAC=PFX Prefix where libOggFLAC is installed (optional)], libOggFLAC_prefix="$withval", libOggFLAC_prefix="")
AC_ARG_WITH(libOggFLAC-libraries,[ --with-libOggFLAC-libraries=DIR Directory where libOggFLAC library is installed (optional)], libOggFLAC_libraries="$withval", libOggFLAC_libraries="")
AC_ARG_WITH(libOggFLAC-includes,[ --with-libOggFLAC-includes=DIR Directory where libOggFLAC header files are installed (optional)], libOggFLAC_includes="$withval", libOggFLAC_includes="")
AC_ARG_ENABLE(libOggFLACtest, [ --disable-libOggFLACtest Do not try to compile and run a test libOggFLAC program],, enable_libOggFLACtest=yes)
if test "x$libOggFLAC_libraries" != "x" ; then
LIBOGGFLAC_LIBS="-L$libOggFLAC_libraries"
elif test "x$libOggFLAC_prefix" != "x" ; then
LIBOGGFLAC_LIBS="-L$libOggFLAC_prefix/lib"
elif test "x$prefix" != "xNONE" ; then
LIBOGGFLAC_LIBS="-L$libdir"
fi
LIBOGGFLAC_LIBS="$LIBOGGFLAC_LIBS -lOggFLAC -lFLAC -lm"
if test "x$libOggFLAC_includes" != "x" ; then
LIBOGGFLAC_CFLAGS="-I$libOggFLAC_includes"
elif test "x$libOggFLAC_prefix" != "x" ; then
LIBOGGFLAC_CFLAGS="-I$libOggFLAC_prefix/include"
elif test "x$prefix" != "xNONE"; then
LIBOGGFLAC_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for libOggFLAC)
no_libOggFLAC=""
if test "x$enable_libOggFLACtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_CXXFLAGS="$CXXFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBOGGFLAC_CFLAGS"
CXXFLAGS="$CXXFLAGS $LIBOGGFLAC_CFLAGS"
LIBS="$LIBS $LIBOGGFLAC_LIBS"
dnl
dnl Now check if the installed libOggFLAC is sufficiently new.
dnl
rm -f conf.libOggFLACtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <OggFLAC/stream_decoder.h>
int main ()
{
system("touch conf.libOggFLACtest");
return 0;
}
],, no_libOggFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_libOggFLAC" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.libOggFLACtest ; then
:
else
echo "*** Could not run libOggFLAC test program, checking why..."
CFLAGS="$CFLAGS $LIBOGGFLAC_CFLAGS"
LIBS="$LIBS $LIBOGGFLAC_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <OggFLAC/stream_decoder.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding libOggFLAC or finding the wrong"
echo "*** version of libOggFLAC. If it is not finding libOggFLAC, 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 libOggFLAC was incorrectly installed"
echo "*** or that you have moved libOggFLAC since it was installed. In the latter case, you"
echo "*** may want to edit the libOggFLAC-config script: $LIBOGGFLAC_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
LIBOGGFLAC_CFLAGS=""
LIBOGGFLAC_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(LIBOGGFLAC_CFLAGS)
AC_SUBST(LIBOGGFLAC_LIBS)
rm -f conf.libOggFLACtest
])
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