anchor.diff:      inherit zip unzip zlib boehmgc gettext pkgconfig perl;
       inherit gtk;
       inherit (gnome) libart_lgpl;
  -    inherit (xorg) libX11 libXt libSM libICE libXtst libXi libXrender
  -      libXrandr xproto renderproto xextproto inputproto randrproto;
     });
   
     gnat = gnat45; # failed to make 4.6 or 4.8 build
  
positive.code: 
    dietlibc = callPackage ../os-specific/linux/dietlibc { };
  
    directvnc = callPackage ../os-specific/linux/directvnc {
      inherit (xorg) xproto;
    };
  
    dmraid = callPackage ../os-specific/linux/dmraid {
      devicemapper = devicemapper.override {enable_dmeventd = true;};
  
negative.code: 
    freeglut = callPackage ../development/libraries/freeglut { };
  
    freenect = callPackage ../development/libraries/freenect { };
  
    freetype = callPackage ../development/libraries/freetype { };
  
  