af-packet: disable most code when not built in

When af-packet is not build we can avoid to build a large amount
of code.

src/runmode-af-packet.c

@@ -83,6 +83,9 @@ void RunModeIdsAFPRegister(void)
     return;
 }
 
+
+#ifdef HAVE_AF_PACKET
+
 void AFPDerefConfig(void *conf)
 {
     AFPIfaceConfig *pfp = (AFPIfaceConfig *)conf;
@@ -475,6 +478,9 @@ int AFPRunModeIsIPS()
     return has_ips;
 }
 
+#endif
+
+
 int RunModeIdsAFPAutoFp(void)
 {
     SCEnter();

src/suricata.c

@@ -984,6 +984,7 @@ static TmEcode ParseInterfacesList(int run_mode, char *pcap_dev)
             /* not an error condition if we have a 1.0 config */
             LiveBuildDeviceList("pfring");
         }
+#ifdef HAVE_AF_PACKET
     } else if (run_mode == RUNMODE_AFP_DEV) {
         /* iface has been set on command line */
         if (strlen(pcap_dev)) {
@@ -1002,6 +1003,7 @@ static TmEcode ParseInterfacesList(int run_mode, char *pcap_dev)
                 EngineModeSetIPS();
             }
         }
+#endif
 #ifdef HAVE_NETMAP
     } else if (run_mode == RUNMODE_NETMAP) {
         /* iface has been set on command line */