AC_CHECK_LIB(logg, logg_get_stream, [], [
    echo "Missing LOGG library or version too old! Get it at http://trent.gamblin.ca/logg."
    exit -1
    ],
#    [ -logg -lvorbis -lvorbisfile `allegro-config --libs`] )
    [ -lvorbisfile -lvorbis -logg -lalleg -lm -lpthread -lXxf86vm -lXcursor -lXpm -lXext -lX11 -lasound ]);