From owner-freebsd-bugs@FreeBSD.ORG  Tue Mar 16 06:20:03 2004
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 73EAF16A4CE
	for <freebsd-bugs@hub.freebsd.org>;
	Tue, 16 Mar 2004 06:20:03 -0800 (PST)
Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 6EAD243D46
	for <freebsd-bugs@hub.freebsd.org>;
	Tue, 16 Mar 2004 06:20:03 -0800 (PST)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	i2GEK3bv009702	for <freebsd-bugs@freefall.freebsd.org>;
	Tue, 16 Mar 2004 06:20:03 -0800 (PST)
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.12.10/8.12.10/Submit) id i2GEK3g5009701;
	Tue, 16 Mar 2004 06:20:03 -0800 (PST)
	(envelope-from gnats)
Date: Tue, 16 Mar 2004 06:20:03 -0800 (PST)
Message-Id: <200403161420.i2GEK3g5009701@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
From: Ruslan Ermilov <ru@freebsd.org>
Subject: Re: bin/64327: [PATCH] make(1): document surprising behaviour of
	assign with expansion
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: Ruslan Ermilov <ru@freebsd.org>
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 16 Mar 2004 14:20:03 -0000

The following reply was made to PR bin/64327; it has been noted by GNATS.

From: Ruslan Ermilov <ru@freebsd.org>
To: Oliver Eikemeier <eikemeier@fillmore-labs.com>
Cc: FreeBSD-gnats-submit@freebsd.org
Subject: Re: bin/64327: [PATCH] make(1): document surprising behaviour of assign with expansion
Date: Tue, 16 Mar 2004 16:11:34 +0200

 On Tue, Mar 16, 2004 at 02:58:35PM +0100, Oliver Eikemeier wrote:
 [...]
 > >Perhaps you could convert it to fit the manpage?  Definitely we shouldn't 
 > >put
 > >it in the BUGS section.
 > 
 > I though so. What should I use: HISTORY, CAVEATS, IMPLEMENTATION NOTES or 
 > something else?
 > 
 I prefer to just document this behavior of the := assignment.
 
 > Undefined variables are left untouched when assigned with expansion.
 > 
 Undefined variables can't be "left", as they don't exist at all.  Instead,
 saying something along the code comments, like "expanded variables can be
 undefined, in this case their expansion is attempted later", and give an
 example from the code.
 
 
 Cheers,
 -- 
 Ruslan Ermilov
 FreeBSD committer
 ru@FreeBSD.org