From owner-freebsd-stable@FreeBSD.ORG  Fri Feb 29 00:57:36 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 2CAF21065674
	for <freebsd-stable@freebsd.org>; Fri, 29 Feb 2008 00:57:36 +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 21A2A8FC16;
	Fri, 29 Feb 2008 00:57:34 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Message-ID: <47C7587C.7080202@FreeBSD.org>
Date: Fri, 29 Feb 2008 01:57:32 +0100
From: Kris Kennaway <kris@FreeBSD.org>
User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213)
MIME-Version: 1.0
To: Bakul Shah <bakul@bitblocks.com>
References: <20080229001343.C2A455B50@mail.bitblocks.com>
In-Reply-To: <20080229001343.C2A455B50@mail.bitblocks.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Marko Lerota <mlerota@iskon.hr>, freebsd-stable@freebsd.org
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 00:57:36 -0000

Bakul Shah wrote:
> On Fri, 29 Feb 2008 00:54:55 +0100 Kris Kennaway <kris@FreeBSD.org>  wrote:
>> portupgrade -faP requests to reinstall everything from precompiled 
>> packages.  It will only fall back to compiling them locally if the 
>> package is unavailable (e.g. for legal reasons).
>>
>> Second, the reason for this requirement is explained in the 
>> announcement.  In fact, it has *always* been required to recompile ports 
>> when moving to a new major release of FreeBSD, for guaranteed correct 
>> operation when some of the ports are updated later on.
> 
> Er... Can't one run old binaries after installing one or more
> of usr/ports/misc/compat-[3456]x -- that has not changed, has
> it?

No, it has not.

As I've tried to explain, the difficulty is when you start recompiling 
parts of them, e.g. a shared library used by other ports.

Kris