anchor.diff:  , libtiff
   , libwmf
   , libzip
  +, openexr
   , pango
   , poppler
   , xorg
   , zlib
  +, zeroc_ice
   }:
   
   stdenv.mkDerivation rec {
  -  name = "gimp-2.8.16";
  +  name = "gimp-2.9.2";
   
     src = fetchurl {
  -    url = "http://download.gimp.org/pub/gimp/v2.8/${name}.tar.bz2";
  -    sha256 = "1dsgazia9hmab8cw3iis7s69dvqyfj5wga7ds7w2q5mms1xqbqwm";
  +    url = "http://download.gimp.org/pub/gimp/v2.9/${name}.tar.bz2";
  +    sha256 = "17p2030fynil5qra7k78f0kr61ihfksip3dlz9gy9ck8p0vd9gl5";
     };
   
     nativeBuildInputs = [
  
positive.code:     libtiff
      libwmf
      libzip
      pango
      poppler
      pythonPackages.python
      pythonPackages.pygtk
      xorg.libXpm
      zlib
    ];
  
    pythonPath = [
  
negative.code: 
    postInstall = ''
      wrapPythonPrograms
      ln -sv gimp-2.9 $out/bin/gimp
    '';
  
    # "screenshot" needs this.
  