anchor.diff:  
       inherit src;
   
  -    phases = [
  -      "unpackPhase"
  -      "patchPhase"
  -      "configurePhase"
  -      "buildPhase"
  -      "installPhase"
  -    ];
  -
       cmakeFlags = [
         (cmFlag "HIGH_BIT_DEPTH" true)
         (cmFlag "EXPORT_C_API" false)
  
positive.code: 
    nativeBuildInputs = [
      cmake
      yasm
    ];
  
  
negative.code:     ];
  
      postInstall = ''
        # Remove unused files
        rm -rvf $out/includes
        rm -rvf $out/lib/pkgconfig
  
        mv -v $out/lib/libx265.a $out/lib/libx265_main10.a
      '';
  
      enableParallelBuilding = true;
  