From 771a69438e7036c95f5bbaf73984d679d974c8e0 Mon Sep 17 00:00:00 2001
From: ru <ru@FreeBSD.org>
Date: Tue, 25 Mar 2008 15:47:22 +0000
Subject: Add code that should catch the most common case when date/time is set
 incorrectly.

---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index ae568db..8df0424 100644
--- a/Makefile
+++ b/Makefile
@@ -172,6 +172,10 @@ ${TGTS}:
 .MAIN:	all
 
 STARTTIME!= LC_ALL=C date
+CHECK_TIME!= find ${.CURDIR}/sys/sys/param.h -mtime -0
+.if !empty(CHECK_TIME)
+.error check your date/time: ${STARTTIME}
+.endif
 
 .if defined(HISTORICAL_MAKE_WORLD) || defined(DESTDIR)
 #
-- 
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