anchor.diff:  
     mcron = callPackage ../tools/system/mcron { };
   
  -  mdbtools = callPackage ../tools/misc/mdbtools {
  -    flex = flex2535;
  -  };
  -
  -  mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix {
  -    flex = flex2535;
  -  };
  +  mdbtools = callPackage ../tools/misc/mdbtools { };
  +
  +  mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix { };
   
     miniupnpd = callPackage ../tools/networking/miniupnpd { };
   
  
positive.code:     wxGUI = getConfig [ "truecrypt" "wxGUI" ] true;
    };
  
    ttmkfdir = callPackage ../tools/misc/ttmkfdir {
      flex = flex2534;
    };
  
    unbound = callPackage ../tools/networking/unbound { };
  
  
negative.code: 
    gltron = callPackage ../games/gltron { };
  
    gnuchess = builderDefsPackage (import ../games/gnuchess) { };
  
    gnugo = callPackage ../games/gnugo { };
  
  