$NetBSD$

--- configure.in.orig	2006-02-09 14:08:22.000000000 -0800
+++ configure.in
@@ -67,6 +67,7 @@ dnl
 dnl Checks for header files.
 dnl
 AC_HEADER_STDC
+AC_CHECK_HEADERS(net/bpf.h)
 
 dnl
 dnl 	Checks for typedefs, structures, and compiler characteristics.
