From owner-freebsd-stable@FreeBSD.ORG  Fri Feb 29 00:15:53 2008
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 4C5371065677;
	Fri, 29 Feb 2008 00:15:53 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id CF5458FC26;
	Fri, 29 Feb 2008 00:15:51 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Message-ID: <47C74EB6.9040801@FreeBSD.org>
Date: Fri, 29 Feb 2008 01:15:50 +0100
From: Kris Kennaway <kris@FreeBSD.org>
User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213)
MIME-Version: 1.0
To: Edwin Groothuis <edwin@mavetju.org>, Kris Kennaway <kris@FreeBSD.org>, 
	Marko Lerota <mlerota@iskon.hr>, freebsd-stable@freebsd.org
References: <867igo3cih.fsf@zid.claresco.hr>
	<20080228235053.GA2964@k7.mavetju>	<47C74BD3.6020405@FreeBSD.org>
	<20080229000714.GB2964@k7.mavetju>
In-Reply-To: <20080229000714.GB2964@k7.mavetju>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: 
Subject: Re: Upgrading to 7.0 - stupid requirements
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/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, 29 Feb 2008 00:15:53 -0000

Edwin Groothuis wrote:
> On Fri, Feb 29, 2008 at 01:03:31AM +0100, Kris Kennaway wrote:
>> Edwin Groothuis wrote:
>>> On Fri, Feb 29, 2008 at 12:08:22AM +0100, Marko Lerota wrote:
>>>> In http://www.freebsd.org/releases/7.0R/announce.html says 
>>>>
>>>> Updating Existing Systems
>>>>
>>>>> An upgrade of any existing system to FreeBSD 7.0-RELEASE constitutes 
>>>>> a major version upgrade, so no matter which method you use to update 
>>>>> an older system you should reinstall any ports you have installed on 
>>> Should, not must. Use misc/compat6x if you don't want to do this,
>>> but that doesn't work for things which look in the kernel (sysutils/lsof
>>> for example)
>> No: must, not should.
>>
>> If you don't do this, then when you update e.g. only some of the gnome 
>> libraries without recompiling all of gnome, then your gnome binaries 
>> will have libraries linked to libc.so.6 and libc.so.7, and to 
>> libkse.so.2 as well as libthr.so.3, and this is a guaranteed runtime 
>> crash because these are mutually inconsistent sets of libraries.
> 
> He wanted independance of the base OS and the installed software.
> He didn't want to upgrade his software because of software version
> incompatibilies.
> 
> That was the scenario where this advice was given on.

OK, it is true that if users do not plan to upgrade self-contained 
subsets of their installed 6.x software, then those subsets will 
continue to function indefinitely using the compat6x libraries.

Kris