anchor.diff:        sha256 = "1a77hxf2pa8ia9na72rijv1yhpn2bjrdsybwk2dj2l938pl3xn0w";
       };
       propagatedBuildInputs = [ CaptureTiny ];
  +  };
  +
  +  ExtUtilsLibBuilder = buildPerlModule {
  +    name = "ExtUtils-LibBuilder-0.04";
  +    src = fetchurl {
  +      url = mirror://cpan/authors/id/A/AM/AMBS/ExtUtils/ExtUtils-LibBuilder-0.04.tar.gz;
  +      sha256 = "0j4rhx3w6nbvmxqjg6q09gm10nnpkcmqmh29cgxsfc9k14d8bb6w";
  +    };
  +    meta = {
  +      description = "A tool to build C libraries.";
  +      license = "perl";
  +    };
     };
   
     ExtUtilsMakeMaker = buildPerlPackage rec{
  
positive.code:     };
    };
  
    ConfigGeneral = buildPerlPackage {
      name = "Config-General-2.51";
      src = fetchurl {
  
negative.code:     };
    };
  
  
    ExtUtilsCppGuess = buildPerlModule rec {
      name = "ExtUtils-CppGuess-0.07";
      src = fetchurl {
  