anchor.diff:      stdenv fetchurl newScope;
     inherit (lib) overrideDerivation;
   
  -  fns = {
  +  fns = rec {
       # Make a statically linked version of a haskell package.
       # Use wisely as it may accidentally kill useful files.
       staticHaskellCallPackage = path: { cabal ? pkgs.haskellPackages.cabal
  
positive.code:     buildPecl = import <nixpkgs/pkgs/build-support/build-pecl.nix> {
        inherit (pkgs) php stdenv autoreconfHook fetchurl;
      };
    };
  
  in rec {
  
negative.code:     stdenv = stdenv_32bit;
      inherit (gnome) libIDL;
    };
  }
  