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Date:      Tue, 16 Dec 2014 20:45:18 +0000 (UTC)
From:      Brooks Davis <brooks@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r275839 - head
Message-ID:  <201412162045.sBGKjIwl099146@svn.freebsd.org>

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Author: brooks
Date: Tue Dec 16 20:45:17 2014
New Revision: 275839
URL: https://svnweb.freebsd.org/changeset/base/275839

Log:
  Add an UPDATING entry and warning about the change in r274807 to help users
  transition to the new behavior.
  
  Discussed with:	jmallett
  Sponsored by:	DARPA, AFRL

Modified:
  head/Makefile.inc1
  head/UPDATING

Modified: head/Makefile.inc1
==============================================================================
--- head/Makefile.inc1	Tue Dec 16 20:26:11 2014	(r275838)
+++ head/Makefile.inc1	Tue Dec 16 20:45:17 2014	(r275839)
@@ -113,6 +113,8 @@ _REDUNDENT_LIB_DIRS+=    ${LOCAL_LIB_DIR
 .for _DIR in ${LOCAL_LIB_DIRS}
 .if empty(_REDUNDENT_LIB_DIRS:M${_DIR}) && exists(${.CURDIR}/${_DIR}/Makefile)
 SUBDIR+=	${_DIR}
+.else
+.warning ${_DIR} not added to SUBDIR list.  See UPDATING 20141121.
 .endif
 .endfor
 .endif

Modified: head/UPDATING
==============================================================================
--- head/UPDATING	Tue Dec 16 20:26:11 2014	(r275838)
+++ head/UPDATING	Tue Dec 16 20:45:17 2014	(r275839)
@@ -31,6 +31,14 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20141121:
+	The handling of LOCAL_LIB_DIRS has been altered to skip addition of
+	directories to top level SUBDIR variable when their parent
+	directory is included in LOCAL_DIRS.  Users with build systems with
+	such hierarchies and without SUBDIR entries in the parent
+	directory Makefiles should add them or add the directories to
+	LOCAL_DIRS.
+
 20141109:
 	faith(4) and faithd(8) has been removed from base system. It
 	has been obsolete for a very long time.



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