ffmpeg pkgconfig deps broken, it would appear

Trying to respin xine-lib: checking for FFMPEG... configure: error: Package requirements (libavcodec >= 51.20.0) were not met: Package libraw1394 was not found in the pkg-config search path. Perhaps you should add the directory containing `libraw1394.pc' to the PKG_CONFIG_PATH environment variable Package 'libraw1394', required by 'libavcodec', not found -- Rex