AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
[AC_SUBST(LIBFLAC,[-lFLAC])],
[missing_libraries="$missing_libraries libFLAC"])
AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
[AC_SUBST(LIBFLAC,[-lFLAC])],
[missing_libraries="$missing_libraries libFLAC"])