$NetBSD: patch-configure,v 1.2 2020/11/17 12:13:01 adam Exp $

Support net/if_tap.h

--- configure.orig	2020-10-28 07:25:31.000000000 +0000
+++ configure
@@ -15069,6 +15069,7 @@ for ac_header in  \
 	sys/mman.h sys/file.h sys/wait.h \
 	unistd.h signal.h libgen.h stropts.h \
 	syslog.h pwd.h grp.h \
+	net/if_tap.h \
 	sys/sockio.h sys/uio.h linux/sockios.h \
 	linux/types.h poll.h sys/epoll.h err.h \
 
