Date: Thu, 11 Oct 2001 00:12:53 +0100 From: Brian Somers <brian@freebsd-services.com> To: obrien@FreeBSD.org, Warner Losh <imp@harmony.village.org> Cc: Brian Somers <brian@freebsd-services.com>, Maxim Sobolev <sobomax@FreeBSD.org>, Paul Richards <paul@freebsd-services.com>, Garance A Drosihn <drosih@rpi.edu>, Mike Barcroft <mike@FreeBSD.org>, 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 Message-ID: <200110102312.f9ANCrA69180@hak.lan.Awfulhak.org> In-Reply-To: Message from "David O'Brien" <obrien@FreeBSD.org> of "Wed, 10 Oct 2001 10:07:51 PDT." <20011010100751.A3532@dragon.nuxi.com>
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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 <imp@harmony.village.org> 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 <brian@freebsd-services.com> <brian@Awfulhak.org>
http://www.freebsd-services.com/ <brian@[uk.]FreeBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org>
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