anchor.diff:      "--with-cares"
       "--with-cryptopp"
       "--with-curl"
  -    "--with-ffmpeg"
  +    # "--with-ffmpeg"
       "--with-freeimage"
       "--with-libmediainfo"
       "--with-libuv"
  
positive.code:     c-ares
      cryptopp
      curl
      ffmpeg_3
      freeimage
      gcc-unwrapped
      libmediainfo
  
negative.code: , cryptopp
  , curl
  , fetchFromGitHub
    # build fails with latest ffmpeg, see https://github.com/meganz/MEGAcmd/issues/523.
    # to be re-enabled when patch available
    # , ffmpeg
  , freeimage
  , gcc-unwrapped
  , libmediainfo
  