anchor.diff:    netkittftp = import ../tools/networking/netkit/tftp {
       inherit fetchurl stdenv;
     };
  -
   
     netpbm = import ../tools/graphics/netpbm {
       inherit stdenv fetchsvn libjpeg libpng zlib flex perl libxml2;
  
positive.code: 
    allStdenvs = import ../stdenv {
      inherit system stdenvType;
      allPackages = import ./all-packages.nix;
    };
  
    defaultStdenv = allStdenvs.stdenv;
  
negative.code: , gccWithCC ? true
  , gccWithProfiling ? true
  
  , # Allow a configuration attribute set to be passed in as an
    # argument.  Otherwise, it's read from $NIXPKGS_CONFIG or
    # ~/.nixpkgs/config.nix.
    config ? null
  }:
  
  
  let config_ = config; in # rename the function argument
  
  let
  
  