anchor.diff:      mkdir -p "$out"/share/icons/
       cp "$desktopItem/share/applications/"* "$out/share/applications/"
       cp image/wsicon.svg "$out"/share/icons/wireshark.svg
  -  '' + optionalString withQt ''
  -    mv "$out/bin/wireshark-qt" "$out/bin/wireshark"
     '';
   
     enableParallelBuilding = true;
  
positive.code: 
    buildInputs = [
      bison flex perl pkgconfig libpcap lua5 openssl libgcrypt gnutls
      geoip libnl c-ares python libcap glib
    ] ++ optional withQt qt4
      ++ optional withGtk gtk;
  
    patches = [ ./wireshark-lookup-dumpcap-in-path.patch ];
  
  
negative.code: { stdenv, fetchurl, pkgconfig, perl, flex, bison, libpcap, libnl, c-ares
  , gnutls, libgcrypt, geoip, openssl, lua5, makeDesktopItem, python, libcap, glib
  , zlib
  , withGtk ? false, gtk ? null, pango ? null, cairo ? null, gdk_pixbuf ? null
  , withQt ? false, qt4 ? null
  }:
  
  