anchor.diff:  }:
   
   stdenv.mkDerivation rec {
  -  name = "lilv-${version}";
  -  version = "0.22.0";
  +  name = "lilv-0.24.0";
   
     src = fetchurl {
       url = "https://download.drobilla.net/${name}.tar.bz2";
  -    sha256 = "cd279321223ef11ca01551767d3c16d68cb31f689e02320a0b2e37b4f7d17ab4";
  +    sha256 = "fa60de536d3648aa3b1a445261fd77bd80d0246a071eed2e7ca51ea91a27fb9e";
     };
   
     nativeBuildInputs = [
  -    python
  +    waf
     ];
   
     buildInputs = [
  
positive.code:     sratom
    ];
  
    postPatch = ''
      patchShebangs ./waf
    '';
  
    configurePhase = ''
      ./waf configure --prefix=$out
    '';
  
    buildPhase = ''
      ./waf
    '';
  
    installPhase = ''
      ./waf install
    '';
  
    passthru = {
  
negative.code: { stdenv
  , fetchurl
  , lib
  , waf
  
  , lv2
  , serd
  