Bug#361445: Log for failed build of moc_2.4.0-1

[Martin Michlmayr <tbm@cyrius.com>]

More PIC:

> Automatic build of moc_2.4.0-1 on em64t by sbuild/amd64 1.112
...
> /bin/sh ../../libtool --tag=CC --mode=link x86_64-linux-gnu-gcc  -g -Wall -O2  -export-dynamic -o libffmpeg_decoder.la -rpath /usr/lib/moc/decoder_plugins -module -avoid-version libffmpeg_decoder_la-ffmpeg.lo -lavformat -lavcodec -lavutil -lvorbis -lvorbisenc -ltheora -logg -ldts -la52 -lraw1394 -ldc1394_control -lgsm -lz -lm -lm 
> x86_64-linux-gnu-gcc -shared  .libs/libffmpeg_decoder_la-ffmpeg.o  -lavformat -lavcodec -lavutil /usr/lib/libvorbis.so /usr/lib/libvorbisenc.so /usr/lib/libtheora.so /usr/lib/libogg.so -ldts /usr/lib/liba52.so /usr/lib/libraw1394.so -ldc1394_control -lgsm -lz -lm  -Wl,-soname -Wl,libffmpeg_decoder.so -o .libs/libffmpeg_decoder.so
> /usr/bin/ld: /usr/lib/../lib64/libavformat.a(utils.o): relocation R_X86_64_32 against `first_iformat' can not be used when making a shared object; recompile with -fPIC
> /usr/lib/../lib64/libavformat.a: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[4]: *** [libffmpeg_decoder.la] Error 1

-- 
Martin Michlmayr
http://www.cyrius.com/