anchor.diff:  
     lilypond = callPackage ../misc/lilypond {
       inherit (gtkLibs) pango;
  -    flex = flex2535;
     };
   
     martyr = callPackage ../development/libraries/martyr { };
  
positive.code: 
    fxload = callPackage ../os-specific/linux/fxload { };
  
    gpm = callPackage ../servers/gpm {
      flex = flex2535;
    };
  
    hal = callPackage ../os-specific/linux/hal { };
  
  
negative.code:     wxGUI = getConfig [ "truecrypt" "wxGUI" ] true;
    };
  
    ttmkfdir = callPackage ../tools/misc/ttmkfdir { };
  
    unbound = callPackage ../tools/networking/unbound { };
  
  