anchor.diff:    buildInputs = [libjpeg cups libusb python saneBackends dbus pkgconfig] ++
       stdenv.lib.optional qtSupport qt4;
   
  -  meta = {
  +  meta = with stdenv.lib; {
       description = "Print, scan and fax HP drivers for Linux";
       homepage = http://hplipopensource.com/;
       license = "free"; # MIT/BSD/GPL
  +    platforms = platforms.linux;
     };
   }
  
positive.code:       --with-icondir=$out/share/applications
        --with-systraydir=$out/xdg/autostart
        --with-mimedir=$out/etc/cups
        # Until we have snmp
        --disable-network-build"
  
      export makeFlags="
  
negative.code:   #'';
  
    prePatch = ''
      sed -i s,/etc/sane.d,$out/etc/sane.d/, Makefile.in
    '';
  
    # --disable-network-build Until we have snmp
  
    preConfigure = ''
      export configureFlags="$configureFlags
  