anchor.diff:            recurseIntoAttrs
             wrapCCWith
             wrapCC;
  -        inherit (lib) lowPrio;
  +        inherit (lib)
  +          hiPrio
  +          hiPrioSet
  +          lowPrio
  +          lowPrioSet;
         in
        helperFunctions // {
   
  
positive.code: python3 = callPackageAlias "python35" { };
  python = callPackageAlias "python2" { };
  
  python27Packages = lib.hiPrioSet (recurseIntoAttrs (callPackage ../top-level/python-packages.nix {
    python = callPackageAlias "python27" { };
    self = callPackageAlias "python27Packages" { };
  }));
  
negative.code: #
  #  # TODO : Let admin choose.
  #  # We are using mit-krb5 because it is better maintained
    kerberos = callPackageAlias "libkrb5" { };
  
    heimdalFull = callPackage ../development/libraries/kerberos/heimdal.nix { };
    libheimdal = callPackageAlias "heimdalFull" {
      type = "lib";
    };
  #
  #  hawknl = callPackage ../development/libraries/hawknl { };
  #
  