anchor.diff:      description = "Audio plugins for Linux";
       longDescription = ''
         Plugin List:
  +      - CollidingCombSynth
         - CubicPadSynth
         - EnvelopedSine
         - EsPhaser
  
positive.code:   makeFlags = [ "PREFIX=$(out)" ];
  
    prePatch = ''
      patchShebangs generate-ttl.sh
      cp patch/NanoVG.cpp lib/DPF/dgl/src/NanoVG.cpp
    '';
  
    enableParallelBuilding = true;
  
negative.code:   # this is what upstream calls the package, see:
    # https://github.com/ryukau/LV2Plugins#uhhyou-plugins-lv2
    pname = "uhhyou.lv2";
    version = "unstable-2021-02-08";
  
    src = fetchFromGitHub {
      owner = "ryukau";
      repo =  "LV2Plugins";
      rev = "df67460fc344f94db4306d4ee21e4207e657bbee";
      fetchSubmodules = true;
      sha256 = "1a23av35cw26zgq93yzmmw35084hsj29cb7sb04j2silv5qisila";
    };
  
    nativeBuildInputs = [ pkg-config python3 ];
  