anchor.diff:    patches = [ ./deprecated-scopedptr.patch ];
   
     postPatch = ''
  +    patch -i ${stdcxx-patch} -p 0
       patchShebangs share/extensions
     ''
     # Clang gets misdetected, so hardcode the right answer
  
positive.code:   # http://www.inkscapeforum.com/viewtopic.php?f=11&t=10403
    url = "http://www.keppel.demon.co.uk/111000/files/BoxMaker0.91.zip";
    sha256 = "5c5697f43dc3a95468f61f479cb50b7e2b93379a1729abf19e4040ac9f43a1a8";
  };
  
  in
  
negative.code:     pkgconfig perl perlXMLParser gtk libXft libpng zlib popt boehmgc
      libxml2 libxslt glib gtkmm glibmm libsigcxx lcms boost gettext
      makeWrapper intltool gsl poppler imagemagick libwpg librevenge
      libvisio libcdr libexif automake114x autoconf
    ] ++ stdenv.lib.optional boxMakerPlugin unzip;
  
    enableParallelBuilding = true;
  