From owner-svn-src-head@freebsd.org  Sat Mar 10 02:10:20 2018
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7B4A5F3D897;
 Sat, 10 Mar 2018 02:10:20 +0000 (UTC)
 (envelope-from bdrewery@FreeBSD.org)
Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org
 [IPv6:2610:1c1:1:606c::19:3])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "mxrelay.nyi.freebsd.org",
 Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 31E017AFC7;
 Sat, 10 Mar 2018 02:10:20 +0000 (UTC)
 (envelope-from bdrewery@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2CDAC27403;
 Sat, 10 Mar 2018 02:10:20 +0000 (UTC)
 (envelope-from bdrewery@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w2A2AKAL069080;
 Sat, 10 Mar 2018 02:10:20 GMT (envelope-from bdrewery@FreeBSD.org)
Received: (from bdrewery@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id w2A2AKqH069079;
 Sat, 10 Mar 2018 02:10:20 GMT (envelope-from bdrewery@FreeBSD.org)
Message-Id: <201803100210.w2A2AKqH069079@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: bdrewery set sender to
 bdrewery@FreeBSD.org using -f
From: Bryan Drewery <bdrewery@FreeBSD.org>
Date: Sat, 10 Mar 2018 02:10:20 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r330723 - head/sys/conf
X-SVN-Group: head
X-SVN-Commit-Author: bdrewery
X-SVN-Commit-Paths: head/sys/conf
X-SVN-Commit-Revision: 330723
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.25
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 10 Mar 2018 02:10:20 -0000

Author: bdrewery
Date: Sat Mar 10 02:10:19 2018
New Revision: 330723
URL: https://svnweb.freebsd.org/changeset/base/330723

Log:
  Skip reading depend files with -V unless looking up a depend variable.
  
  This speeds up some simple -V lookups significantly.
  
  Reported by:	bde
  MFC after:	2 weeks
  Sponsored by:	Dell EMC

Modified:
  head/sys/conf/kern.post.mk

Modified: head/sys/conf/kern.post.mk
==============================================================================
--- head/sys/conf/kern.post.mk	Sat Mar 10 02:09:36 2018	(r330722)
+++ head/sys/conf/kern.post.mk	Sat Mar 10 02:10:19 2018	(r330723)
@@ -201,6 +201,7 @@ _meta_filemon=	1
 # since it will track dependencies itself.  OBJS_DEPEND_GUESS is still used
 # for _meta_filemon but not for _SKIP_DEPEND.
 .if !defined(NO_SKIP_DEPEND) && (make(*obj) || \
+    (!empty(.MAKEFLAGS:M-V) && empty(.MAKEFLAGS:M*DEP*)) || \
     ${.TARGETS:M*clean*} == ${.TARGETS} || \
     ${.TARGETS:M*install*} == ${.TARGETS})
 _SKIP_DEPEND=	1