anchor.diff:      };
     };
   
  +  ConfigAutoConf = buildPerlPackage {
  +    name = "Config-AutoConf-0.22";
  +    src = fetchurl {
  +      url = mirror://cpan/authors/id/A/AM/AMBS/Config/Config-AutoConf-0.22.tar.gz;
  +      sha256 = "1zk2xfvxd3yn3299i13vn5wm1c7jxgr7z3h0yh603xs2h9cg79wc";
  +    };
  +    propagatedBuildInputs = [ CaptureTiny ];
  +    meta = {
  +      description = "A module to implement some of AutoConf macros in pure perl.";
  +      license = "perl5";
  +    };
  +  };
  +
     ConfigGeneral = buildPerlPackage {
       name = "Config-General-2.51";
       src = fetchurl {
  
positive.code:       sha256 = "1a77hxf2pa8ia9na72rijv1yhpn2bjrdsybwk2dj2l938pl3xn0w";
      };
      propagatedBuildInputs = [ CaptureTiny ];
    };
  
    ExtUtilsMakeMaker = buildPerlPackage rec{
  
negative.code:     };
    };
  
  
    ExtUtilsCppGuess = buildPerlModule rec {
      name = "ExtUtils-CppGuess-0.07";
      src = fetchurl {
  