anchor.diff:      # Gnupg depends on this so we have to decouple this fetch from the rest of the build.
       srcVerification = fetchurl rec {
         failEarly = true;
  -      urls = tarballUrls "3.5" "5";
  +      urls = tarballUrls "3.5" "6";
         pgpsigUrls = map (n: "${n}.sig") urls;
         pgpKeyFingerprint = "1F42 4189 05D8 206A A754  CCDC 29EE 58B9 9686 5171";
         inherit (src) outputHashAlgo;
  -      outputHash = "86994fe7804ee16d2811e366b9bf2f75304f8e470ae0e3716d60ffeedac0e529";
  +      outputHash = "6338b715bf31c758606ffa489c7f87ee1beab947114fbd2ffefd73170a8c6b9a";
       };
     };
   
  
positive.code:   src = fetchurl {
      urls = tarballUrls major minor;
      hashOutput = false;
      sha256 = "86994fe7804ee16d2811e366b9bf2f75304f8e470ae0e3716d60ffeedac0e529";
    };
  
    # This fixes some broken parallel dependencies
  
negative.code:   ];
  
    major = "3.5";
    minor = "6";
  in
  stdenv.mkDerivation rec {
    name = "gnutls-${version}";
  