anchor.diff:  #  kinetic-cpp-client = callPackage ../development/libraries/kinetic-cpp-client { };
   #
     krb5Full = callPackage ../development/libraries/kerberos/krb5.nix { };
  -  libkrb5 = krb5Full.override { type = "lib"; };
  +
  +  libkrb5 = callPackageAlias "krb5Full" {
  +    type = "lib";
  +  };
   #
   #  LASzip = callPackage ../development/libraries/LASzip { };
   #
  
positive.code:   channel = "3.3";
    self = callPackageAlias "python33" { };
  };
  python34 = hiPrio (callPackage ../all-pkgs/python {
    channel = "3.4";
    self = callPackageAlias "python34" { };
  });
  python35 = hiPrio (callPackage ../all-pkgs/python {
    channel = "3.5";
    self = callPackageAlias "python35" { };
  
negative.code:           recurseIntoAttrs
            wrapCCWith
            wrapCC;
          inherit (lib)
            hiPrio
            hiPrioSet
            lowPrio
            lowPrioSet;
        in
       helperFunctions // {
  
  