From e87917047a10732b07dab87440604b1e2578a8bb Mon Sep 17 00:00:00 2001
From: bdrewery <bdrewery@FreeBSD.org>
Date: Thu, 8 Oct 2015 17:45:03 +0000
Subject: MFC r288179:

  Fix running make in src directories without a Makefile giving confusing
  errors.
---
 share/mk/Makefile | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/share/mk/Makefile b/share/mk/Makefile
index d0234d8..5c495b1 100644
--- a/share/mk/Makefile
+++ b/share/mk/Makefile
@@ -1,6 +1,12 @@
 # $FreeBSD$
 #	@(#)Makefile	8.1 (Berkeley) 6/8/93
 
+# Only parse this if executing make in this directory, not in other places
+# in src that lack a Makefile, such as sys/dev/*.  Otherwise the MAKESYSPATH
+# will read this Makefile since it auto includes it into -I.
+# Note that this guard only works for bmake.
+.if !defined(.PARSEDIR) || ${.CURDIR} == ${.PARSEDIR}
+
 .include <bsd.own.mk>
 
 FILES=	\
@@ -51,3 +57,4 @@ FILES+=	tap.test.mk
 .endif
 
 .include <bsd.prog.mk>
+.endif	# CURDIR == PARSEDIR
-- 
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