anchor.diff:  { stdenv
   , fetchurl
  -, python
  +, lib
  +, waf
   
   , lv2
   , serd
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    name = "lilv-${version}";
    version = "0.22.0";
  
    src = fetchurl {
      url = "https://download.drobilla.net/${name}.tar.bz2";
      sha256 = "cd279321223ef11ca01551767d3c16d68cb31f689e02320a0b2e37b4f7d17ab4";
    };
  
    nativeBuildInputs = [
      python
    ];
  
    buildInputs = [
  
negative.code:     };
    };
  
    meta = with lib; {
      description = "A C library to make the use of LV2 plugins";
      homepage = https://drobilla.net/software/lilv;
      license = licenses.mit;
  