From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by yquem.inria.fr (Postfix) with ESMTP id 5A313BB91 for ; Fri, 14 Jan 2005 16:21:35 +0100 (CET) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id j0EFLYSr022272 for ; Fri, 14 Jan 2005 16:21:34 +0100 Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id QAA26334 for ; Fri, 14 Jan 2005 16:21:33 +0100 (MET) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.196]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j0EF1153024588 for ; Fri, 14 Jan 2005 16:01:01 +0100 Received: by wproxy.gmail.com with SMTP id 58so750164wri for ; Fri, 14 Jan 2005 07:01:00 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=X20b4tZtG1p4Sn6Qx/Lfy+EyZk4KEOk2WUXvz6p562I2UW8G+IDQhq7sLU1q+r6jf7Sp+wtxqdUNDfsQhsfuwIkwQ5MASiq3EZkDuH/kfevZpJpY5q5H0Xhtl3Brj3GLEsElEuwMtZoHD5Ihyc1gACMahLwk2zJ3DzTQjS+nXNI= Received: by 10.54.46.72 with SMTP id t72mr209417wrt; Fri, 14 Jan 2005 07:01:00 -0800 (PST) Received: by 10.54.2.70 with HTTP; Fri, 14 Jan 2005 07:01:00 -0800 (PST) Message-ID: <891bd33905011407017d58a116@mail.gmail.com> Date: Fri, 14 Jan 2005 10:01:00 -0500 From: Yaron Minsky Reply-To: yminsky@cs.cornell.edu To: Jacques Garrigue , zack@debian.org, caml-list@inria.fr, debian-ocaml-maint@lists.debian.org Subject: Re: [Caml-list] binary compatibility of 3.08.3 In-Reply-To: <20050114133632.GA4923@pegasos> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <99C2C114-6583-11D9-B72B-000D9345235C@inria.fr> <20050113184137.GA24040@fistandantilus.takhisis.org> <20050113.150239.95895778.garrigue@math.nagoya-u.ac.jp> <20050114133632.GA4923@pegasos> X-Miltered: at concorde with ID 41E7E37E.001 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at nez-perce with ID 41E7DEAD.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; yaron:01 minsky:01 yminsky:01 caml-list:01 binary:01 sven:01 luther:01 sven:01 luther:01 wrote:01 wrote:01 zacchiroli:01 damien:01 binary:01 bug:01 X-Spam-Checker-Version: SpamAssassin 3.0.0 (2004-09-13) on yquem.inria.fr X-Spam-Status: No, score=0.0 required=5.0 tests=RCVD_BY_IP autolearn=disabled version=3.0.0 X-Spam-Level: It's worth mentioning that the pain of such upgrades is considerably reduced by the use of a package manager like GODI. It's hardly perfect, but it makes such things much easier. y On Fri, 14 Jan 2005 14:36:32 +0100, Sven Luther wrote: > On Thu, Jan 13, 2005 at 03:02:39PM -0800, Jacques Garrigue wrote: > > From: Stefano Zacchiroli > > > > > On Thu, Jan 13, 2005 at 05:53:07PM +0100, Damien Doligez wrote: > > > > Or you can wait a few weeks for 3.08.3. > > > > > > BTW, do 3.08.3 break binary compatibility with 3.08.2? > > > (as happened when upgrading from 3.08.1 to 3.08.2) > > > > Any bug fix in the compiler has a very high probability of breaking > > binary compatibility. This is due to the fact interface digests depend > > on the indices of internal identifiers, so that purely internal > > changes may break compatibility, eventhough the cmi format is left > > unchanged. > > It is reasonnable to assume that 3.08.3 will not be binary compatible. > > Notice that this is really not nice for a bugfix release, since this means we > have to rebuild all of the ocaml related packages on all arches, which may > take us month and such. Maybe we would be better off just backporting the > non-breaking fixes ? Maybe in future this situation could be somewhat improved ? > > > By the way, due to a bug fix in the variance inference, it will also > > not be 100% source compatible, but I hope this has no impact on > > existing programs (as only few programs use variance). (I sincerely > > hope there were no unsound programs around...) > > Oh, well. ... > > Friendly, > > Sven Luther > > _______________________________________________ > Caml-list mailing list. Subscription management: > http://yquem.inria.fr/cgi-bin/mailman/listinfo/caml-list > Archives: http://caml.inria.fr > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > Bug reports: http://caml.inria.fr/bin/caml-bugs >