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From: "Simon J. Gerraty" <sjg@FreeBSD.org>
Date: Fri, 9 Nov 2012 05:43:15 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject: svn commit: r242817 - projects/bmake/share/mk
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Author: sjg
Date: Fri Nov  9 05:43:15 2012
New Revision: 242817
URL: http://svnweb.freebsd.org/changeset/base/242817

Log:
  Add TIME_STAMP

Modified:
  projects/bmake/share/mk/local.sys.mk

Modified: projects/bmake/share/mk/local.sys.mk
==============================================================================
--- projects/bmake/share/mk/local.sys.mk	Fri Nov  9 04:52:15 2012	(r242816)
+++ projects/bmake/share/mk/local.sys.mk	Fri Nov  9 05:43:15 2012	(r242817)
@@ -196,4 +196,13 @@ MAKE_PRINT_VAR_ON_ERROR+= \
 	OBJTOP \
 	${MAKE_PRINT_VAR_ON_ERROR_XTRAS}
 
+# these are handy
+# we can use this for a cheap timestamp at the start of a target's script,
+# but not at the end - since make will expand both at the same time.
+TIME_STAMP_FMT = @ %s [%Y-%m-%d %T]
+TIME_STAMP = ${TIME_STAMP_FMT:localtime}
+# this will produce the same output but as of when date(1) is run.
+TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'`
+TIME_STAMP_END?= ${TIME_STAMP_DATE}
+
 .endif				# bmake