Index: Makefile
===================================================================
--- Makefile	(revision 2554)
+++ Makefile	(working copy)
@@ -278,8 +278,11 @@ NEED_DES=	yes
 
 .if defined ( USE_NG_BPF )
 CFLAGS+=	-DUSE_NG_BPF
+.if ( ${USE_PCAP:U} != no )
+CFLAGS+=	-DUSE_PCAP
 LDADD+=		-lpcap
 DPADD+=		${LIBPCAP}
+.endif
 .endif
 .if defined ( USE_NG_CAR )
 CFLAGS+=	-DUSE_NG_CAR
Index: iface.c
===================================================================
--- iface.c	(revision 2555)
+++ iface.c	(working copy)
@@ -57,7 +57,7 @@
 #include <netgraph/ng_car.h>
 #endif
 
-#ifdef USE_NG_BPF
+#if defined(USE_NG_BPF) && defined(USE_PCAP)
 #include <pcap.h>
 #endif
 
@@ -129,10 +129,12 @@
   static int    IfaceInitLimits(Bund b, char *path, char *hook);
   static void	IfaceSetupLimits(Bund b);
   static void	IfaceShutdownLimits(Bund b);
+#ifdef USE_PCAP
   static int	pcap_compile_nopcap_np(int snaplen_arg, int linktype_arg,
 		    struct bpf_program *program, const char *buf,
 		    int optimize, bpf_u_int32 mask);
 #endif
+#endif
 
   static int	IfaceSetCommand(Context ctx, int ac, const char *const av[], const void *arg);
   static void	IfaceSessionTimeout(void *arg);
@@ -3373,6 +3375,7 @@ IfaceSetupLimits(Bund b)
 		    hp->bpf_prog_len = MATCH_PROG_LEN;
 		    memcpy(&hp->bpf_prog, &gMatchProg,
     		        MATCH_PROG_LEN * sizeof(*gMatchProg));
+#ifdef USE_PCAP
 		} else if (strncasecmp(av[0], "flt", 3) == 0) {
 		    struct acl  *f;
 		    int		flt;
@@ -3452,6 +3455,7 @@ IfaceSetupLimits(Bund b)
 			}
 			Freee(buf);
 		    }
+#endif /* USE_PCAP */
 		} else {
 		    Log(LG_ERR, ("[%s] IFACE: incorrect filter: '%s'",
     		        b->name, av[0]));
@@ -3815,6 +3819,7 @@ IfaceFreeStats(struct svcstat *stat)
     }
 }
 
+#ifdef USE_PCAP
 /* copied from libpcap/gencode.c */
 int
 pcap_compile_nopcap_np(int snaplen_arg, int linktype_arg,
@@ -3831,6 +3836,7 @@ pcap_compile_nopcap_np(int snaplen_arg, int linktype_a
 	pcap_close(p);
 	return (ret);
 }
+#endif /* USE_PCAP */
 #endif /* USE_NG_BPF */
 
 /*