From ce2dea2a6a76cb1bf3c8c4d481a7b1b4c4951e7e Mon Sep 17 00:00:00 2001
From: Will Andrews <will@FreeBSD.org>
Date: Thu, 18 Sep 2014 14:54:20 +0000
Subject: [PATCH] Fix incremental builds involving non-root users with
 read-only source files. This is a followup commit to r271771.

MFC after:	1 month
---
 lib/libunbound/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libunbound/Makefile b/lib/libunbound/Makefile
index c6bbedead598..aca30237ad1e 100644
--- a/lib/libunbound/Makefile
+++ b/lib/libunbound/Makefile
@@ -33,7 +33,7 @@ LDADD+=	-lssl -lcrypto -lpthread
 
 # Misnamed file in upstream source
 configlexer.l: configlexer.lex
-	cp -p ${.ALLSRC} ${.TARGET}
+	cp -fp ${.ALLSRC} ${.TARGET}
 CLEANFILES+= configlexer.l
 
 # Symbol prefix for lex and yacc