auto v7.1 erro Xvid:not found

MEncoder Info:     FFmpeg Info:
JPEG:     libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0xb7e98000)
LAME:     libmp3lame.so.0 => /usr/local/cpffmpeg/lib/libmp3lame.so.0 (0xb7977000)
Theora:     libtheora.so.0 => /usr/local/cpffmpeg/lib/libtheora.so.0 (0xb7d94000)
FAAC:     libfaac.so.0 => /usr/local/cpffmpeg/lib/libfaac.so.0 (0xb7b12000)

[b][color=#FF0000]Xvid:     not found [/color]produces [/b]produces


x264:     libx264.so.119 => /usr/local/cpffmpeg/lib/libx264.so.119 (0xb7985000)

ffmpeg version N-34274-g3c32a94-syslint, Copyright (c) 2000-2011 the FFmpeg developers
built on Oct 30 2011 12:09:22 with gcc 4.1.2 20080704 (Red Hat 4.1.2-51)
configuration: --prefix=/usr/local/cpffmpeg --enable-shared --enable-nonfree --enable-gpl --enable-pthreads --enable-libopencore-amrnb --enable-decoder=liba52 --enable-libopencore-amrwb --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --extra-cflags=-I/usr/local/cpffmpeg/include/ --extra-ldflags=-L/usr/local/cpffmpeg/lib --enable-version3 --extra-version=syslint
libavutil 51. 22. 0 / 51. 22. 0
libavcodec 53. 25. 0 / 53. 25. 0
libavformat 53. 18. 0 / 53. 18. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 45. 1 / 2. 45. 1
libswscale 2. 1. 0 / 2. 1. 0
libpostproc 51. 2. 0 / 51. 2. 0
ffmpeg N-34274-g3c32a94-syslint
libavutil 51. 22. 0 / 51. 22. 0
libavcodec 53. 25. 0 / 53. 25. 0
libavformat 53. 18. 0 / 53. 18. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 45. 1 / 2. 45. 1
libswscale 2. 1. 0 / 2. 1. 0
libpostproc 51. 2. 0 / 51. 2. 0