libavcodec/libavcodec.a(vorbisdsp_init.o): In function `vorbis_inverse_coupling_sse':
/home/stefano/src/ffmpeg/libavcodec/x86/vorbisdsp_init.c:63: undefined reference to `ff_pdw_80000000'
collect2: ld returned 1 exit status
make: *** [ffmpeg_g] Error 1