# 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 ])