anchor.diff:    };
   
     snd = sndBase.passthru.function {
  -    inherit guile mesa libtool jackaudio alsaLib;
  +    inherit mesa libtool jackaudio alsaLib;
  +    guile = guile_1_8;
     };
   
     sonicVisualizer = callPackage ../applications/audio/sonic-visualizer {
  
positive.code:     inherit (gnome) gtk glib libglade libgnomeui libgtkhtml gtkhtml
        libgnomeprint;
      gconf = gnome.GConf;
    };
  
    qcad = callPackage ../applications/misc/qcad { };
  
negative.code: 
    trackballs = callPackage ../games/trackballs {
      debug = false;
      guile = guile_1_8;
    };
  
    tunctl = callPackage ../os-specific/linux/tunctl { };
  