From owner-freebsd-current@FreeBSD.ORG  Wed Jan 29 14:45:22 2014
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id A44B61E6;
 Wed, 29 Jan 2014 14:45:22 +0000 (UTC)
Received: from smtpout3.timeweb.ru (smtpout3.timeweb.ru [92.53.117.25])
 (using TLSv1 with cipher AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 583FD1119;
 Wed, 29 Jan 2014 14:45:22 +0000 (UTC)
Received: from [213.148.20.85] (helo=hive.panopticon)
 by smtp.timeweb.ru with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
 (Exim 4.76) (envelope-from <amdmi3@amdmi3.ru>)
 id 1W8WOF-0002yn-1t; Wed, 29 Jan 2014 18:45:19 +0400
Received: from hades.panopticon (hades.panopticon [192.168.0.32])
 by hive.panopticon (Postfix) with ESMTP id A53BCF8A;
 Wed, 29 Jan 2014 18:45:18 +0400 (MSK)
Received: by hades.panopticon (Postfix, from userid 1000)
 id 7CC5520A0C; Wed, 29 Jan 2014 18:45:18 +0400 (MSK)
Date: Wed, 29 Jan 2014 18:45:18 +0400
From: Dmitry Marakasov <amdmi3@amdmi3.ru>
To: Dimitry Andric <dim@FreeBSD.org>
Subject: Re: System libc++ isn't fully compatible with clang 3.4 from ports
Message-ID: <20140129144518.GR52820@hades.panopticon>
References: <20140129022743.GO52820@hades.panopticon>
 <7B2C5E6B-C845-4AFB-845F-AAF6F3C1F239@FreeBSD.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <7B2C5E6B-C845-4AFB-845F-AAF6F3C1F239@FreeBSD.org>
User-Agent: Mutt/1.5.22 (2013-10-16)
Cc: freebsd-current@FreeBSD.org, David Chisnall <theraven@FreeBSD.org>,
 Brooks Davis <brooks@FreeBSD.org>
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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: Wed, 29 Jan 2014 14:45:22 -0000

* Dimitry Andric (dim@FreeBSD.org) wrote:

> > JFYI, I've just ran into shortcoming of libc++ from 10-RELEASE when used
> > with clang 3.4 from ports:
> ...
> > The cause: http://llvm.org/bugs/show_bug.cgi?id=17798, was fixed in
> > libc++ r194154. We probably need to update libc++ or at least backport
> > this into stable branches if we want to support clang 3.4 in ports.
> 
> Hm, which port is having problems with this?  I have built quite a large
> set, and never encountered this issue.
> 
> In any case: yes, it is quite long overdue for a libc++ update. :-)  I
> will have a look tonight.

New version of games/spring (not in ports yet).

std::function and lambdas are not that widely used for this problem to
be common, but some time we may run into it for some critical software.

-- 
Dmitry Marakasov   .   55B5 0596 FF1E 8D84 5F56  9510 D35A 80DD F9D2 F77D
amdmi3@amdmi3.ru  ..:  jabber: amdmi3@jabber.ru    http://www.amdmi3.ru