Static initialize DPDK only if enabled

Signed-off-by: Georgios Katsikas <katsikas.gp@gmail.com>

lib/router.cc

@@ -35,6 +35,9 @@
 #include <click/notifier.hh>
 #include <click/nameinfo.hh>
 #include <click/bighashmap_arena.hh>
+#if HAVE_DPDK
+#include <click/dpdkdevice.hh>
+#endif
 #if HAVE_NETMAP_PACKET_POOL
 #include <click/netmapdevice.hh>
 #endif
@@ -1169,10 +1172,12 @@ Router::initialize(ErrorHandler *errh)
         }
     }
 
+#if HAVE_DPDK
     if (all_ok) {
         //DPDK initialization may be affected by some configuration and needed by some element initialization (Packet::make with --enable-dpdk-packet-pool)
         all_ok = DPDKDevice::static_initialize(ErrorHandler::default_handler()) == 0;
     }
+#endif
 
 #if HAVE_BATCH
     if (all_ok) {