ffmpeg relocation error, undefined symbol: img_pad

hi 


I grab & build ffmpeg from cvs today, but was bumped into the "undefined
symbol: img_pad" error when using it. what should I check. how should I
do? 

thanks a lot

tong

PS. here is the work log:

$ ffmpeg -i "bob1.avi" -target pal-dvd   -s 640x352 -padleft 32 -padright 32 
-padtop 112 -padbottom 112 -aspect 4:3 -r 25.000 -b 3600 -maxrate 4500 -sameq 
-ab 224 -vol 400 -async 1 "bob1.mpg"
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --prefix=/opt/new --libdir=${prefix}/lib 
--incdir=${prefix}/include/ffmpeg --mandir=${prefix}/share/man --enable-shared 
--enable-pthreads --enable-gpl --disable-bktr --disable-dv1394 
--disable-network --disable-simple_idct --disable-ffserver 
  libavutil version: 49.0.0
  libavcodec version: 51.9.0
  libavformat version: 50.4.0
  built on Apr 22 2006 21:58:45, gcc: 3.3.5 (Debian 1:3.3.5-13)
Input #0, avi, from 'bob1.avi':
  Duration: 01:10:19.4, start: 0.000000, bitrate: 1392 kb/s
  Stream #0.0, 25.00 fps(r): Video: mpeg4, yuv420p, 640x352
  Stream #0.1: Audio: mp3, 48000 Hz, stereo, 192 kb/s
File 'bob1.mpg' already exists. Overwrite ? [y/N] yOutput #0, dvd, to 
'bob1.mpg':
  Stream #0.0, 25.00 fps(c): Video: mpeg2video, yuv420p, 704x576, q=2-31, 3600 
kb/s
  Stream #0.1: Audio: ac3, 48000 Hz, stereo, 224 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
ffmpeg: relocation error: ffmpeg: undefined symbol: img_pad


$ type ffmpeg
ffmpeg is hashed (/opt/new/bin/ffmpeg)

$ uname -rm
2.6.11-1-k7 i686

$ cat /etc/debian_version 
3.1