[FFmpeg-user] errors building

[Raymond Blum]

Hi all
   Any help with the below is of course greatly appreciated.

I am following the installation guide here
https://trac.ffmpeg.org/wiki/UbuntuCompilationGuide

and have built the dependencies for ffmpeg and configured it with:
./configure --prefix="$HOME/Downloads/libffmpeg" 
--extra-cflags="-I$HOME/Downloads/libffmpeg/include" \
    --extra-ldflags="-L$HOME/Downloads/libffmpeg/lib" 
--bindir="$HOME/bin" --extra-libs=-ldl --enable-gpl \
    --enable-libass --enable-libfdk-aac --enable-libmp3lame 
--enable-libopus --enable-libtheora \
    --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree 
--enable-x11grab


But the make fails with:
YASM    libavfilter/x86/af_volume.o
libavutil/x86/x86inc.asm:103: error: unknown 'cpu' type
libavutil/x86/x86inc.asm:885: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:39: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:40: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:99: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:101: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:104: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:105: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:112: error: unknown 'cpu' type
libavfilter/x86/af_volume.asm:113: error: unknown 'cpu' type
make: *** [libavfilter/x86/af_volume.o] Error 1

raymond at ocubut:~/Downloads/libffmpeg/ffmpeg$ uname -a
Linux ocubut 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 
2012 x86_64 x86_64 x86_64 GNU/Linux