From owner-freebsd-current@FreeBSD.ORG  Tue Aug 30 17:37:39 2011
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B394B106566B
	for <freebsd-current@freebsd.org>; Tue, 30 Aug 2011 17:37:39 +0000 (UTC)
	(envelope-from ohartman@zedat.fu-berlin.de)
Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de
	[130.133.4.66]) by mx1.freebsd.org (Postfix) with ESMTP id 6F28C8FC0A
	for <freebsd-current@freebsd.org>; Tue, 30 Aug 2011 17:37:39 +0000 (UTC)
Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69])
	by outpost1.zedat.fu-berlin.de (Exim 4.69) with esmtp
	(envelope-from <ohartman@zedat.fu-berlin.de>)
	id <1QySFm-0007AJ-Ls>; Tue, 30 Aug 2011 19:37:38 +0200
Received: from e178029245.adsl.alicedsl.de ([85.178.29.245]
	helo=thor.walstatt.dyndns.org)
	by inpost2.zedat.fu-berlin.de (Exim 4.69) with esmtpsa
	(envelope-from <ohartman@zedat.fu-berlin.de>)
	id <1QySFm-0000lN-Ir>; Tue, 30 Aug 2011 19:37:38 +0200
Message-ID: <4E5D1FE2.8080607@zedat.fu-berlin.de>
Date: Tue, 30 Aug 2011 19:37:38 +0200
From: "Hartmann, O." <ohartman@zedat.fu-berlin.de>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
	rv:6.0) Gecko/20110825 Thunderbird/6.0
MIME-Version: 1.0
To: Dimitry Andric <dim@FreeBSD.org>
References: <4E5CB1E9.9080801@zedat.fu-berlin.de> <4E5D0DD3.20606@FreeBSD.org>
In-Reply-To: <4E5D0DD3.20606@FreeBSD.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Originating-IP: 85.178.29.245
Cc: freebsd-current <freebsd-current@freebsd.org>
Subject: Re: CLANG; still cc in use when building the WORLD with CLANG?
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 30 Aug 2011 17:37:39 -0000

On 08/30/11 18:20, Dimitry Andric wrote:
> On 2011-08-30 11:48, Hartmann, O. wrote:
>>     I'm building world with CLANG  (or I pretend to do so).
>>     In my /etc/make.conf I use these lines:
>>     ###
>>     ###     CLANG
>>     ###
>>     .if defined(USE_CLANG)
>>     .if !empty(.CURDIR:M/usr/src*)
>
> You should add "|| !empty(.CURDIR:M:/usr/obj*)" to this .if statement,
> because the build build process changes to directories inside /usr/obj
> for various steps.  Alternatively, use the simpler:
>
> .if empty(.CURDIR:N/usr/src*:N/usr/obj*)
>
> Alternatively, just remove the statement, and use clang for everything,
> and help fix bugs in ports. :)
>
:-) I would, if I did not desperately have to rely on a working box for now.

I forgot the above addition. Will try it - or better, leave it alone and 
try
helping buxfixing ...
>
>>     CFLAGS= -O3 -march=native -mtune=native -fno-strict-aliasing -pipe
>>     COPTFLAGS= -O3 -march=native -mtune=native -pipe
>
> Take care when using clang and -march=native, there are still some
> issues with it (search this mailing list for specifics).  If anything
> goes wrong, first revert to the default CFLAGS and COPTFLAGS (e.g.
> comment them out), and try again.

Yes, I know, but I never had problems on my older Core2 based chips. The 
newer
laptop CPU, a Core-i5 "Lynnfield" does have issues.