anchor.diff:      libXrender
       libcacard
       libjpeg
  +    libopus
       lz4
       openssl
  +    orc
       pixman
       python3.pkgs.pyparsing
       zlib
  
positive.code: , ninja
  , pkgconfig
  , pixman
  , celt_0_5_1
  , alsaLib
  , openssl
  , libXrandr
  
negative.code: 
    mesonFlags = [
      "-Dauto_features=enabled"
      "-Dgstreamer=1.0"
      "-Dcelt051=disabled"
    ];
  
    postInstall = ''
  