gstreamer ffmpeg cvs head fails to build against system ffmpeg svn with the following error 

make[3]: Entering directory `/home/hussam/Desktop/aa/gst-ffmpeg/ext/ffmpeg'
/bin/sh ../../libtool --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I../..    -I../../gst-libs -I../../gst-libs -pthread -I/usr/include/gstreamer-0.10 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2   -Wall -Werror     -DGST_DISABLE_DEPRECATED -pthread -I/usr/include/gstreamer-0.10 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2   -I/usr/include/ffmpeg   -g -O2 -MT libgstffmpeg_la-gstffmpegcodecmap.lo -MD -MP -MF .deps/libgstffmpeg_la-gstffmpegcodecmap.Tpo -c -o libgstffmpeg_la-gstffmpegcodecmap.lo `test -f 'gstffmpegcodecmap.c' || echo './'`gstffmpegcodecmap.c
 gcc -DHAVE_CONFIG_H -I. -I../.. -I../../gst-libs -I../../gst-libs -pthread -I/usr/include/gstreamer-0.10 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -Wall -Werror -DGST_DISABLE_DEPRECATED -pthread -I/usr/include/gstreamer-0.10 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -I/usr/include/ffmpeg -g -O2 -MT libgstffmpeg_la-gstffmpegcodecmap.lo -MD -MP -MF .deps/libgstffmpeg_la-gstffmpegcodecmap.Tpo -c gstffmpegcodecmap.c  -fPIC -DPIC -o .libs/libgstffmpeg_la-gstffmpegcodecmap.o
cc1: warnings being treated as errors
gstffmpegcodecmap.c: In function 'gst_ffmpeg_get_palette':
gstffmpegcodecmap.c:53: warning: 'AVPaletteControl' is deprecated
gstffmpegcodecmap.c: In function 'gst_ffmpeg_codecid_to_caps':
gstffmpegcodecmap.c:554: error: duplicate case value
gstffmpegcodecmap.c:553: error: previously used here
gstffmpegcodecmap.c: In function 'gst_ffmpeg_caps_with_codecid':
gstffmpegcodecmap.c:1564: warning: pointer targets in passing argument 1 of 'g_stpcpy' differ in signedness
gstffmpegcodecmap.c: In function 'gst_ffmpeg_get_codecid_longname':
gstffmpegcodecmap.c:2559: error: duplicate case value
gstffmpegcodecmap.c:2558: error: previously used here
gstffmpegcodecmap.c: In function 'gst_ffmpeg_img_convert':
gstffmpegcodecmap.c:3183: warning: 'img_convert' is deprecated (declared at /usr/include/ffmpeg/avcodec.h:2395)
make[3]: *** [libgstffmpeg_la-gstffmpegcodecmap.lo] Error 1
make[3]: Leaving directory `/home/hussam/Desktop/aa/gst-ffmpeg/ext/ffmpeg'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/hussam/Desktop/aa/gst-ffmpeg/ext'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/hussam/Desktop/aa/gst-ffmpeg'
make: *** [all] Error 2