diff -urN net/libpcap/Makefile /tmp/libpcap/Makefile
--- net/libpcap/Makefile	2010-04-20 21:51:03.000000000 -0400
+++ /tmp/libpcap/Makefile	2010-07-27 14:13:10.000000000 -0400
@@ -115,6 +115,9 @@
 
 .if !defined(WITH_DAG)
 CONFIGURE_ARGS+=	--without-dag
+.else
+LDFLAGS+=	-L${LOCALBASE}/lib
+CONFIGURE_ENV+=	LDFLAGS="${LDFLAGS}"
 .endif
 
 .if defined(LIBPCAP_OVERWRITE_BASE)