anchor.diff:    buildInputs = [
       chromaprint
       faad2
  -    ffmpeg_2_2
  +    ffmpeg_2
       fftw
       flac
       libid3tag
  
positive.code: 
  , chromaprint
  , faad2
  , ffmpeg_2_2
  , fftw
  , flac
  , libid3tag
  
negative.code:       codyopel
      ];
      platforms = with platforms;
        x86_64-linux;
    };
  }
  