anchor.diff:    hugin = import ../applications/graphics/hugin {
       inherit stdenv fetchurl cmake panotools libtiff libpng boost pkgconfig
         exiv2 gettext ilmbase enblendenfuse autopanosiftc;
  -    wxGTK = wxGTK28;
  +    inherit wxGTK;
       openexr = openexr_1_6_1;
     };
   
  
positive.code:     inherit fetchurl stdenv zlib gd texinfo readline emacs;
      inherit (xlibs) libX11 libXt libXaw libXpm;
      x11Support = getPkgConfig "gnuplot" "x11" false;
      wxGTK = if getPkgConfig "gnuplot" "wxGtk" false then wxGTK28 else null;
      inherit (gtkLibs) pango;
      inherit cairo pkgconfig;
    };
  
negative.code:     inherit (xlibs) libXt;
    };
  
    wxGTK = wxGTK28;
  
    wxGTK26 = import ../development/libraries/wxGTK-2.6 {
      inherit fetchurl stdenv pkgconfig;
      inherit (gtkLibs216) gtk;
      inherit (xlibs) libXinerama libSM libXxf86vm xf86vidmodeproto;
    };
  
  