From owner-freebsd-stable@FreeBSD.ORG  Fri Mar 28 18:03:03 2014
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 1D5B6CFF;
 Fri, 28 Mar 2014 18:03:03 +0000 (UTC)
Received: from mho-01-ewr.mailhop.org (mho-03-ewr.mailhop.org [204.13.248.66])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id E542FEB6;
 Fri, 28 Mar 2014 18:03:02 +0000 (UTC)
Received: from c-24-8-230-52.hsd1.co.comcast.net ([24.8.230.52]
 helo=damnhippie.dyndns.org)
 by mho-01-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256)
 (Exim 4.72) (envelope-from <ian@FreeBSD.org>)
 id 1WTb7G-0008EE-Pi; Fri, 28 Mar 2014 18:02:54 +0000
Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240])
 by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id s2SI2q6i080225;
 Fri, 28 Mar 2014 12:02:52 -0600 (MDT) (envelope-from ian@FreeBSD.org)
X-Mail-Handler: Dyn Standard SMTP by Dyn
X-Originating-IP: 24.8.230.52
X-Report-Abuse-To: abuse@dyndns.com (see
 http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse
 reporting information)
X-MHO-User: U2FsdGVkX187VDP7bT9Z/w3AipHHyKAC
Subject: Re: HEADS UP: merged llvm/clang 3.4
From: Ian Lepore <ian@FreeBSD.org>
To: Dimitry Andric <dim@FreeBSD.org>
In-Reply-To: <6F2AEDEC-4173-45B0-9C21-1D80E33660F6@FreeBSD.org>
References: <20140328165121.13797.qmail@mailgate.gta.com>
 <6F2AEDEC-4173-45B0-9C21-1D80E33660F6@FreeBSD.org>
Content-Type: text/plain; charset="us-ascii"
Date: Fri, 28 Mar 2014 12:02:52 -0600
Message-ID: <1396029772.81853.150.camel@revolution.hippie.lan>
Mime-Version: 1.0
X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port 
Content-Transfer-Encoding: 7bit
Cc: Larry Baird <lab@maxwell.gta.com>, freebsd-stable@FreeBSD.org
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 28 Mar 2014 18:03:03 -0000

On Fri, 2014-03-28 at 18:51 +0100, Dimitry Andric wrote:
> On 28 Mar 2014, at 17:51, Larry Baird <lab@maxwell.gta.com> wrote:
> ...
> > This GDB was configured as "i386-marcel-freebsd"...Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr2/lab/6.2/sw/src/hello]
> 
> The default debug info format for clang 3.4 is now DWARF4, which gdb
> from base cannot handle.  So please use gdb from ports, which is much
> better anyway, or compile with -gdwarf-2.  
> 
> -Dimitry
> 

Something seems very wrong here.  We now have a 10-stable in which you
can't debug an app that crashes without rebuilding the entire system
with different options or adding non-base tools?  That seems... not
right for a branch with "stable" in its name.

-- Ian