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From: Bryan Drewery <bdrewery@FreeBSD.org>
Date: Thu, 2 Nov 2017 04:05:03 +0000 (UTC)
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Subject: svn commit: r325304 - head/share/mk
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Author: bdrewery
Date: Thu Nov  2 04:05:03 2017
New Revision: 325304
URL: https://svnweb.freebsd.org/changeset/base/325304

Log:
  Don't propagate MAKEOBJDIRPREFIX changes to environment.
  
  A makefile may use this variable later for its own reasons,
  don't infect sub-makes with that value.
  
  Sponsored by:	Dell EMC Isilon

Modified:
  head/share/mk/src.sys.obj.mk

Modified: head/share/mk/src.sys.obj.mk
==============================================================================
--- head/share/mk/src.sys.obj.mk	Thu Nov  2 00:17:52 2017	(r325303)
+++ head/share/mk/src.sys.obj.mk	Thu Nov  2 04:05:03 2017	(r325304)
@@ -43,7 +43,8 @@ MAKEOBJDIRPREFIX:=	${MAKEOBJDIRPREFIX}${TARGET:D/${TAR
 # put things approximately where they want
 OBJROOT:=	${MAKEOBJDIRPREFIX}${SRCTOP}/
 MAKEOBJDIRPREFIX=
-.export MAKEOBJDIRPREFIX
+# export but do not track
+.export-env MAKEOBJDIRPREFIX
 .endif
 .if empty(MAKEOBJDIR)
 # OBJTOP set below