Comment 4 for bug 811617

I cannot build lightspask-git against ffmpeg-git. It fails with error:
Linking CXX shared library ../x86_64/Release/lib/liblightspark.so
/usr/bin/ld: /usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../lib/libavformat.a(allformats.o): relocation R_X86_64_32 against `ff_a64_muxer' can not be used when making a shared object; recompile with -fPIC
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../lib/libavformat.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make[2]: *** [x86_64/Release/lib/liblightspark.so.0.5.0] Error 1
make[1]: *** [src/CMakeFiles/spark.dir/all] Error 2
make: *** [all] Error 2