From owner-freebsd-questions@FreeBSD.ORG  Sun Jun  6 10:55:56 2010
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 1AB6C106567B
	for <questions@freebsd.org>; Sun,  6 Jun 2010 10:55:56 +0000 (UTC)
	(envelope-from fbsd1@a1poweruser.com)
Received: from mail-03.name-services.com (mail-03.name-services.com
	[69.64.155.195])
	by mx1.freebsd.org (Postfix) with ESMTP id 09B0A8FC13
	for <questions@freebsd.org>; Sun,  6 Jun 2010 10:55:55 +0000 (UTC)
Received: from [10.0.10.3] ([202.69.173.90]) by mail-03.name-services.com with
	Microsoft SMTPSVC(6.0.3790.3959); Sun, 6 Jun 2010 03:55:55 -0700
Message-ID: <4C0B7EB7.20603@a1poweruser.com>
Date: Sun, 06 Jun 2010 18:55:51 +0800
From: Fbsd1 <fbsd1@a1poweruser.com>
User-Agent: Thunderbird 2.0.0.17 (Windows/20080914)
MIME-Version: 1.0
To: "questions@freebsd.org" <questions@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-OriginalArrivalTime: 06 Jun 2010 10:55:56.0399 (UTC)
	FILETIME=[D71CE7F0:01CB0566]
X-Sender: fbsd1@a1poweruser.com
Cc: 
Subject: installworld and sources
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 06 Jun 2010 10:55:56 -0000

Compiling a new kernel from source requires /usr/src to be populated, I 
understand that.

The buildworld process for sure needs /usr/src. My question is , is 
/usr/src also used in the installworld process?

Now I have never had to do this type of system RELEASE upgrade before, 
so I just don't know.