From 457180a40db4289e10eab15797b146f132d44fa2 Mon Sep 17 00:00:00 2001
From: Bruce M Simpson <bms@FreeBSD.org>
Date: Wed, 31 Mar 2004 20:58:39 +0000
Subject: [PATCH] Unbreak the build by dealing with an unexpected dependency on
 tcpdump source present in ndp(8).

The vendor branch import uses a _U_ macro to apply the GCC 'unused' attribute
to the rcs ids embedded in each source file.  Teach ndp about this.
---
 usr.sbin/ndp/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usr.sbin/ndp/Makefile b/usr.sbin/ndp/Makefile
index 2af816bfdf12..c35dfc7f5eaa 100644
--- a/usr.sbin/ndp/Makefile
+++ b/usr.sbin/ndp/Makefile
@@ -21,5 +21,6 @@ SRCS=	ndp.c gmt2local.c
 
 CFLAGS+= -DINET6
 CFLAGS+= -I. -I${.CURDIR} -I${.CURDIR}/../../contrib/tcpdump
+CFLAGS+= -D_U_=""
 
 .include <bsd.prog.mk>