Bug#713716: ffmpeg2theora: FTBFS: ld: src/ffmpeg2theora.o: undefined reference to symbol 'av_reduce@@LIBAVUTIL_51'

[David Suárez]

Source: ffmpeg2theora
Version: 0.27-2
Severity: serious
Tags: jessie sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20130620 qa-ftbfs
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Maybe you need to add explicitly the offending lib to LD flags.

Relevant part:
> gcc -o ffmpeg2theora src/ffmpeg2theora.o src/avinfo.o src/theorautils.o src/subtitles.o src/iso639.o src/index.o -lvorbisenc -lvorbis -lm -ltheoraenc -ltheoradec -lavcodec -lavdevice -lavformat -lpostproc -lswscale -loggkate -lkate -logg
> /usr/bin/ld: src/ffmpeg2theora.o: undefined reference to symbol 'av_reduce@@LIBAVUTIL_51'
> /usr/lib/x86_64-linux-gnu/libavutil.so.51: error adding symbols: DSO missing from command line
> collect2: error: ld returned 1 exit status

The full build log is available from:
   http://aws-logs.debian.net/ftbfs-logs/2013/06/20/ffmpeg2theora_0.27-2_unstable.log

A list of current common problems and possible solutions is available at 
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.