anchor.diff:  # Build ffmpeg.
   # =================================
   
  +# NOTE: Disableling libx265 for now
  +#       as it no longer compiles
  +#            --enable-libx265 \
  +#
   WORKDIR /usr/local/src/ffmpeg
   RUN ./configure --extra-libs="-ldl" \
               --enable-gpl \
  
positive.code: # Build libx265
  # =================================
  WORKDIR  /usr/local/src/x265/build/linux
  RUN cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr ../../source \
      && make -j ${NUM_CORES} \
      && make install
  # =================================
  
negative.code:             --enable-libvorbis \
              --enable-libvpx \
              --enable-libx264 \
              --enable-nonfree \
              --enable-openssl \
      && make -j ${NUM_CORES} \
  