anchor.diff:    };
   
     perlSQLAbstract = buildPerlPackage rec {
  -    name = "SQL-Abstract-1.50";
  +    name = "SQL-Abstract-1.51";
       src = fetchurl {
         url = "mirror://cpan/authors/id/M/MS/MSTROUT/${name}.tar.gz";
  -      sha256 = "0nyc16ynks4xqa442vycs8wy9xbs0q63wm4iik8ar1axr53lyyqb";
  +      sha256 = "1q77yfdrkadf738zvdgarkv0136zs2shz3fdmwaaf03bhvhcbap2";
       };
       propagatedBuildInputs = [
         perlTestDeep perlTestException perlTestWarn
  
positive.code:   };
  
    perlClassMOP = buildPerlPackage rec {
      name = "Class-MOP-0.76";
      src = fetchurl {
        url = "mirror://cpan/authors/id/D/DR/DROLSKY/${name}.tar.gz";
        sha256 = "0hya7hyz80d65vf1llanasg0gszgjyc52842xxzgqhy4vvnwviyy";
      };
      propagatedBuildInputs = [
        perlMROCompat perlTaskWeaken perlTestException perlSubName perlSubIdentify
  
negative.code:       perlClassInspector perlDBIxClass perlLinguaENInflectNumber
        perlClassUnload
      ];
      doCheck = false; # disabled for now, since some tests fail
    };
  
    perlDevelGlobalDestruction = buildPerlPackage rec {
  