anchor.diff:        --with-systraydir=$out/xdg/autostart
         --with-mimedir=$out/etc/cups
         --enable-policykit
  -      --disable-network-build"
  +    "
   
       export makeFlags="
         halpredir=$out/share/hal/fdi/preprobe/10osvendor
  
positive.code:       pythonPackages.wrapPython
        saneBackends
        dbus
        pkgconfig] ++
      stdenv.lib.optional qtSupport qt4;
  
    pythonPath = with pythonPackages; [
        pythonDBus
  
negative.code: {stdenv, fetchurl, cups, zlib, libjpeg, libusb, pythonPackages, saneBackends, dbus
  , pkgconfig, polkit, qtSupport ? true, qt4, pythonDBus, pyqt4, net_snmp
  }:
  
  stdenv.mkDerivation rec {
  