anchor.diff:    torbrowser = callPackage ../tools/security/tor/torbrowser.nix {
       stdenv = overrideCC stdenv gcc49;
     };
  +
  +  touchegg = callPackage = ../tools/inputmethods/touchegg { };
   
     torsocks = callPackage ../tools/security/tor/torsocks.nix { };
   
  
positive.code:   gradle = callPackage ../development/tools/build-managers/gradle { };
  
    gperf = callPackage ../development/tools/misc/gperf { };
  
    gtk_doc = callPackage ../development/tools/documentation/gtk-doc { };
  
  
negative.code:   flex = flex_2_5_39;
  
    m4 = gnum4;
  
    geis = callPackage ../development/libraries/geis { };
  
    global = callPackage ../development/tools/misc/global { };
  
  