anchor.diff:  
     nativeBuildInputs = [
       gettext
  -    python3
  +    meson
  +    ninja
     ];
   
     buildInputs = [
  -    a52dec
  +    #a52dec  # FIXME
       amrnb
       amrwb
       glib
  
positive.code: , fetchurl
  , gettext
  , lib
  , python3
  
  , a52dec
  , amrnb
  
negative.code:     x264
    ];
  
    mesonFlags = [
      # FIXME: add additional x264 libs for 10bpcc
      #"-Dx264_libraries"
    ];
  
    passthru = {
  