From owner-freebsd-current@FreeBSD.ORG  Thu Jun 15 20:37:00 2006
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: current@freebsd.org
Delivered-To: freebsd-current@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 17B1716A47A
	for <current@freebsd.org>; Thu, 15 Jun 2006 20:37:00 +0000 (UTC)
	(envelope-from phk@critter.freebsd.dk)
Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222])
	by mx1.FreeBSD.org (Postfix) with ESMTP id B2B0A43D73
	for <current@freebsd.org>; Thu, 15 Jun 2006 20:36:59 +0000 (GMT)
	(envelope-from phk@critter.freebsd.dk)
Received: from critter.freebsd.dk (critter.freebsd.dk [192.168.48.2])
	by phk.freebsd.dk (Postfix) with ESMTP id 5F25E170DF;
	Thu, 15 Jun 2006 20:36:57 +0000 (UTC)
To: Mike Jakubik <mikej@rogers.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 15 Jun 2006 16:28:32 -0400."
	<4491C2F0.6000007@rogers.com> 
Date: Thu, 15 Jun 2006 20:36:57 +0000
Message-ID: <3223.1150403817@critter.freebsd.dk>
Sender: phk@critter.freebsd.dk
Cc: Alexander Leidinger <Alexander@Leidinger.net>, current@freebsd.org
Subject: Re: HEADS-UP: removed COMPAT_43 from GENERIC (and other configs) 
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 15 Jun 2006 20:37:00 -0000

In message <4491C2F0.6000007@rogers.com>, Mike Jakubik writes:

>What about COMPAT_43TTY? Is this still needed, how exactly does it 
>affect the system?

It adds a bunch of ancient-compatible ioctls to the kernel.

It is, as a principle, not needed, but thanks to the many variants
of "sh configure" employed in usr/ports, a quite large number of
ports go "Ohh, this is BSD, I'd better use the old ioctls" and
break if you don't offer them.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.