anchor.diff:        inherit stdenv fetchurl lib patchelf cdrkit kernel;
         inherit (xlibs) libX11 libXt libXext libXmu libXcomposite libXfixes;
       };
  -  };
  +  } // (if kernel.features ? aufsBase then rec {
  +      aufs2 = import ../os-specific/linux/aufs2 {
  +        inherit fetchurl stdenv kernel perl;
  +      };
  +
  +      aufs2_util = import ../os-specific/linux/aufs2-util {
  +        inherit fetchurl stdenv kernel aufs2;
  +      };
  +    } else {});
   
     # Build the kernel modules for the some of the kernels.
     linuxPackages_2_6_25 = recurseIntoAttrs (linuxPackagesFor linux_2_6_25);
  
positive.code:       inherit fetchurl stdenv kernel;
      };
  
      aufs2 = import ../os-specific/linux/aufs2 {
        inherit fetchurl stdenv kernel perl;
      };
  
      aufs2_util = import ../os-specific/linux/aufs2-util {
        inherit fetchurl stdenv kernel aufs2;
      };
  
      blcr = import ../os-specific/linux/blcr/0.8.2.nix {
        inherit fetchurl stdenv kernel perl makeWrapper;
      };
  
negative.code:   };
  
    pinta = import ../applications/graphics/pinta {
      inherit fetchgit stdenv mono pkgconfig;
      gtksharp = gtksharp2;
    };
  
  