From owner-svn-src-head@FreeBSD.ORG  Wed Nov  7 22:37:49 2012
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id 679E3540;
 Wed,  7 Nov 2012 22:37:49 +0000 (UTC)
 (envelope-from jkim@FreeBSD.org)
Received: from hammer.pct.niksun.com (freefall.freebsd.org
 [IPv6:2001:1900:2254:206c::16:87])
 by mx1.freebsd.org (Postfix) with ESMTP id DD57B8FC0C;
 Wed,  7 Nov 2012 22:37:48 +0000 (UTC)
Message-ID: <509AE28E.4020908@FreeBSD.org>
Date: Wed, 07 Nov 2012 17:37:02 -0500
From: Jung-uk Kim <jkim@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:16.0) Gecko/20121031 Thunderbird/16.0.2
MIME-Version: 1.0
To: Dimitry Andric <dim@FreeBSD.org>
Subject: Re: svn commit: r242715 - head/sys/conf
References: <201211072215.qA7MFSYX017265@svn.freebsd.org>
In-Reply-To: <201211072215.qA7MFSYX017265@svn.freebsd.org>
X-Enigmail-Version: 1.4.5
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://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: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Nov 2012 22:37:49 -0000

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 2012-11-07 17:15:28 -0500, Dimitry Andric wrote:
> Author: dim Date: Wed Nov  7 22:15:28 2012 New Revision: 242715 
> URL: http://svnweb.freebsd.org/changeset/base/242715
> 
> Log: For kernel builds with PROFLEVEL >= 1, such as LINT, don't
> attempt to use the -falign-functions option if the compiler is
> clang, as the flag is not supported.
> 
> MFC after:	1 week
> 
> Modified: head/sys/conf/kern.pre.mk
> 
> Modified: head/sys/conf/kern.pre.mk 
> ==============================================================================
>
> 
- --- head/sys/conf/kern.pre.mk	Wed Nov  7 22:11:38 2012	(r242714)
> +++ head/sys/conf/kern.pre.mk	Wed Nov  7 22:15:28 2012	(r242715) @@
> -102,7 +102,10 @@ CLANG_NO_IAS= -no-integrated-as .endif
> 
> .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 -CFLAGS+=	-DGPROF
> -falign-functions=16 +CFLAGS+=	-DGPROF +.if ${COMPILER_TYPE} !=
> "clang" +CFLAGS+=	-falign-functions=16 +.endif .if ${PROFLEVEL} >=
> 2 CFLAGS+=	-DGPROF4 -DGUPROF PROF=	-pg -mprofiler-epilogue

FYI, PROF needs a similar work-around:

% clang -c -pg -mprofiler-epilogue test.c
clang: warning: argument unused during compilation: '-mprofiler-epilogue'

Jung-uk Kim
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (FreeBSD)
Comment: Using GnuPG with Mozilla - http://www.enigmail.net/

iEYEARECAAYFAlCa4o4ACgkQmlay1b9qnVMT+ACfZvPjmeamcED3OPT2W71TQzMB
msgAnROGgvnbfgjqqxePq/nKRxh462Eo
=Wyq/
-----END PGP SIGNATURE-----