From owner-cvs-all Wed Oct 10 16:13: 1 2001 Delivered-To: cvs-all@freebsd.org Received: from Awfulhak.org (gw.Awfulhak.org [217.204.245.18]) by hub.freebsd.org (Postfix) with ESMTP id 4F74337B406; Wed, 10 Oct 2001 16:12:49 -0700 (PDT) Received: from hak.lan.Awfulhak.org (root@hak.lan.Awfulhak.org [fec0::1:12]) by Awfulhak.org (8.11.6/8.11.6) with ESMTP id f9ANCkq02049; Thu, 11 Oct 2001 00:12:46 +0100 (BST) (envelope-from brian@freebsd-services.com) Received: from hak.lan.Awfulhak.org (brian@localhost [127.0.0.1]) by hak.lan.Awfulhak.org (8.11.6/8.11.6) with ESMTP id f9ANCrA69180; Thu, 11 Oct 2001 00:12:53 +0100 (BST) (envelope-from brian@freebsd-services.com) Message-Id: <200110102312.f9ANCrA69180@hak.lan.Awfulhak.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: obrien@FreeBSD.org, Warner Losh Cc: Brian Somers , Maxim Sobolev , Paul Richards , Garance A Drosihn , Mike Barcroft , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, brian@freebsd-services.com Subject: Re: cvs commit: src/lib/libc/string strnstr.c Makefile.inc strstr.3src/include string.h In-Reply-To: Message from "David O'Brien" of "Wed, 10 Oct 2001 10:07:51 PDT." <20011010100751.A3532@dragon.nuxi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 11 Oct 2001 00:12:53 +0100 From: Brian Somers Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG obrien@FreeBSD.org said: > On Wed, Oct 10, 2001 at 04:22:24PM +0100, Brian Somers wrote: > > > Correct me if I am wrong, but we never actually were strongly > > > enforcing forward binary compatibility, so that it should not be a > > > big problem. > > > > I've always understood the rule to be that -stable remains binary > > compatible (both forwards and backwards) while the major release > > number is the same. > > That has never been my understanding. In fact with the rules we have for > bumping shared lib version numbers; it is very hard to do unless we make > -stable truely -stale. Commercial vendors who cater to "production > shops" (hi Paul) do not remain forwards compatible either. Well, I didn't think library version numbers changed between minor -stable releases... Warner Losh said: > In message <200110101522.f9AFMOg11391@hak.lan.Awfulhak.org> Brian Somers writes: > : I've always understood the rule to be that -stable remains binary > : compatible (both forwards and backwards) while the major release > : number is the same. > > Only backwards, but never forwards. And not for some kernel > interfaces. While there may be periods of time that you can build, > say, a 4.2 binary and have it work on 4.1, that hasn't been a priority > in the past. We've added a lot of APIs over the years to stable > branches... That's true, and I agree that it's pretty reasonable to not be forward compatible as much as it's pretty reasonable to expect backwards compatibility. -- Brian http://www.freebsd-services.com/ Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message