--- config.h.in.orig	2003-09-27 15:34:00.000000000 +0200
+++ config.h.in	2010-03-28 00:05:04.000000000 +0100
@@ -49,7 +49,7 @@
 #undef HAVE_MEMSET
 
 /* Define to 1 if you have the <net/bpf.h> header file. */
-#undef HAVE_NET_BPF_H
+#define HAVE_NET_BPF_H 1
 
 /* Define to 1 if you have the <pcap.h> header file. */
 #undef HAVE_PCAP_H