Date: Thu, 25 Oct 2007 17:04:08 -0600 From: Scott Long <scottl@samsco.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: Andrey Chernov <ache@nagual.pp.ru>, src-committers@FreeBSD.org, d@delphij.net, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src/lib/libc/locale utf8.c Message-ID: <472120E8.90504@samsco.org> In-Reply-To: <20071025233536.B99770@fledge.watson.org> References: <200710150951.l9F9pUm7026506@repoman.freebsd.org> <4720B30F.4040903@samsco.org> <20071025151707.GA11398@nagual.pp.ru> <4720E0AF.1010004@samsco.org> <4720E904.2090704@delphij.net> <20071025191127.GC16187@nagual.pp.ru> <20071025233536.B99770@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Robert Watson wrote: > On Thu, 25 Oct 2007, Andrey Chernov wrote: > >> On Thu, Oct 25, 2007 at 12:05:40PM -0700, LI Xin wrote: >>> Well, I think the problem is not exposing a new symbol by itself, but >>> __mb_sb_limit is being used in _ctype.h, in a form of __inline >>> functions. Therefore, the change will break new binaries running on >>> older systems. >> >> Yes. Only vice versa compatibility supported. > > I think the issue here is that the change occurred very quickly after > the branch, and when users wanted to 'change gears' back to RELENG_7 > from HEAD once it was created immediately ran into the problem. It > seems like a useful piece of post-branch advice to developers in the > future will be, "Please don't do things that make switching branches -- > back or forward -- for the first few weeks after the branch is > created". In general, I don't think we care about forward > compatibility, but we are currently getting lots of reports because this > is one of those few times where a lot of moving backward happens. > We do care about forward compatibility within STABLE branches, as Ken and I have discussed in side threads. But yes, forward compat between major branches is merely desired; i.e. changes will happen, and hopefully not for gratuitous reasons. Scott
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?472120E8.90504>