ffmpeg build failure

[Stefan Bruda]

Hi,

I am trying to upgrade ffmpeg from 0.4.9-pre1_1 to 0.4.9-pre1_2 and I am
getting in return:

make -C libavformat all
gcc -dynamiclib -Wl,-single_module
-Wl,-install_name,/opt/local/lib/libavformat.dylib,-current_version,51.1.0,-compatibility_version,51.1.0
-Wl,-read_only_relocs,suppress -Wl,-dynamic,-search_paths_first
-L/opt/local/lib -o libavformat.51.dylib utils.o cutils.o os_support.o
allformats.o framehook.o avio.o aviobuf.o raw.o adtsenc.o aiff.o riff.o
amr.o apc.o asf.o asf-enc.o au.o avidec.o avienc.o avs.o vocdec.o voc.o
bethsoftvid.o c93.o crc.o daud.o dsicin.o dv.o dvenc.o dxa.o
electronicarts.o ffm.o flic.o flvdec.o flvenc.o 4xm.o gif.o gifdec.o gxf.o
gxfenc.o idcin.o img2.o ipmovie.o matroska.o mm.o mmf.o mov.o isom.o
movenc.o mp3.o mpc.o mpeg.o mpegts.o mpegtsenc.o mpjpeg.o mtv.o mxf.o
nsvdec.o nutdec.o nuv.o ogg2.o oggparsevorbis.o oggparsetheora.o
oggparseflac.o oggparseogm.o ogg.o rtsp.o rm.o idroq.o rtp.o rtp_h264.o
segafilm.o smacker.o sol.o psxstr.o swf.o thp.o tiertexseq.o tta.o txd.o
sierravmd.o vocenc.o wav.o wc3movie.o westwood.o wv.o yuv4mpeg.o file.o
http.o rtpproto.o tcp.o udp.o
-L"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_multimedia_ffmpeg/work/trunk"/libavutil
-lavutil -lavcodec
-L"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_multimedia_ffmpeg/work/trunk"/libavcodec
-lz -logg -lxvidcore -lx264 -lfaac
ld: Undefined symbols:
_ff_mpa_decode_header
/usr/bin/libtool: internal link edit command failed
make[1]: *** [libavformat.51.dylib] Error 1
make: *** [lib] Error 2

Any idea what is the cause of this?

Thanks in advance,
Stefan