From: Andreas Jaeger <aj@suse.de>
To: Mark Mitchell <mark@codesourcery.com>
Cc: "obrien@freebsd.org" <obrien@freebsd.org>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>
Subject: Re: C++ binary compatibility between GCC 3.1 and GCC 3.2?
Date: Sat, 06 Jul 2002 05:34:00 -0000 [thread overview]
Message-ID: <u8adp5v2od.fsf@gromit.moeb> (raw)
In-Reply-To: <26670000.1025905035@gandalf.codesourcery.com> (Mark Mitchell's message of "Fri, 05 Jul 2002 14:37:15 -0700")
Mark Mitchell <mark@codesourcery.com> writes:
> --On Friday, July 05, 2002 02:33:53 PM -0700 David O'Brien
> <obrien@freebsd.org> wrote:
>
>> On Fri, Jul 05, 2002 at 01:11:10PM -0700, Mark Mitchell wrote:
>>> >> In any case, GCC 3.1 and GCC 3.2 will not be 100% binary compatible
>>> >> with respect to the C++ ABI.
>>> > How severe is this? Will people encounter this in every day code or
>>> > is only in some esoteric situations?
>> ...
>>> I would lean towards "only in some esoteric situations", but of course
>>> that depends on exactly what you consider esoteric.
>>
>> Would we see it in KDE and GNOME and all the related C++ libs there?
>
> I don't think anybody knows.
>
>>> > it would be better to have 3.1.1 and 3.2 compatible (with the cost of
>>> > 3.1 and 3.1.1 not compatible to each other).
>>>
>>> This bit has already been decided. We will not break compatibility
>>> between minor releases (3.1 and 3.1.1) unless it is absolutely
>>> necessary. I don't think renumbering is going to help a lot.
>>
>> Why not put the decision in the hands of the distributors? Offer both
>> 3.1 and 3.2 C++ ABI's and let the vendor pick the one they want with a
>># define.
That would mean incompatibility between 3.1. versions - my
self compiled 3.1.1 compiler would be incompatible to your
self-compiled 3.1.1 compiler :-(.
>
> Because our goal is to produce minor releases that fix critical bugs.
>
> Adding in new, not nearly as well-tested ABI changes, one week for a
> release is simply not going to happen.
What about postponing this change for 3.1.2 - with possible renaming
it to 3.2.2 - with the goal to be compatible to GCC mainline?
Andreas
--
Andreas Jaeger
SuSE Labs aj@suse.de
private aj@arthur.inka.de
http://www.suse.de/~aj
next prev parent reply other threads:[~2002-07-06 5:35 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-04 9:55 Andreas Jaeger
2002-07-04 10:23 ` H. J. Lu
2002-07-05 14:17 ` Mark Mitchell
2002-07-05 14:22 ` Andreas Jaeger
2002-07-05 14:28 ` Mark Mitchell
2002-07-05 14:53 ` David O'Brien
2002-07-05 15:08 ` Mark Mitchell
2002-07-06 5:34 ` Andreas Jaeger [this message]
2002-07-06 6:40 ` Gabriel Dos Reis
2002-07-06 6:40 ` Jakub Jelinek
2002-07-06 7:20 ` Gabriel Dos Reis
2002-07-06 7:53 ` Andreas Jaeger
2002-07-06 8:54 ` Gabriel Dos Reis
2002-07-06 11:04 ` Daniel Jacobowitz
2002-07-06 7:42 ` Andreas Jaeger
2002-07-06 11:08 ` Jeff Law
2002-07-06 11:10 ` Gwenole Beauchesne
2002-07-06 6:19 ` Daniel Egger
2002-07-05 14:46 ` David O'Brien
2002-07-05 15:02 ` Mark Mitchell
2002-07-06 6:28 ` Scott Robert Ladd
2002-07-05 15:02 ` H. J. Lu
2002-07-05 15:12 ` David O'Brien
2002-07-05 15:20 ` H. J. Lu
2002-07-05 16:11 ` Stan Shebs
2002-07-05 16:12 ` David Edelsohn
2002-07-05 16:35 ` Stan Shebs
2002-07-05 22:18 ` Geoff Keating
2002-07-07 23:14 ` Mark Mitchell
2002-07-06 4:56 ` Andreas Jaeger
2002-07-06 6:44 ` Gerald Pfeifer
2002-07-06 7:35 ` Andreas Jaeger
2002-07-06 11:44 ` David O'Brien
2002-07-05 22:35 ` David Edelsohn
2002-07-06 5:40 ` Joseph S. Myers
2002-07-06 6:40 ` Gabriel Dos Reis
2002-07-06 7:49 ` Andreas Jaeger
-- strict thread matches above, loose matches on Subject: below --
2002-07-10 4:24 Iain McClatchie
2002-07-08 10:09 Ben Woodhead
2002-07-08 9:02 Bernard Dautrevaux
2002-07-08 13:03 ` Bernard Dautrevaux
2002-07-10 7:32 ` Bernard Dautrevaux
2002-07-12 3:09 ` Bernard Dautrevaux
2002-07-12 13:50 ` Bernard Dautrevaux
2002-07-08 3:42 Bernard Dautrevaux
2002-07-08 4:07 ` Gabriel Dos Reis
2002-07-08 6:28 ` Joern Rennecke
2002-07-08 13:05 ` Bernard Dautrevaux
2002-07-10 7:33 ` Bernard Dautrevaux
2002-07-12 4:27 ` Bernard Dautrevaux
2002-07-12 13:53 ` Bernard Dautrevaux
2002-07-06 15:47 Joern Rennecke
2002-07-06 16:09 ` Gabriel Dos Reis
2002-07-07 8:03 ` Joern Rennecke
[not found] <3900A36C.18989ED4@apple.com>
2000-04-21 17:17 ` [patch] beginnings of the macro rewrite Horst von Brand
2000-04-22 10:33 ` Zack Weinberg
2000-04-22 20:13 ` Marc Espie
2000-04-22 20:20 ` Neil Booth
2000-04-24 8:57 ` Michael Meissner
2000-04-24 17:54 ` Russ Allbery
2000-04-27 15:54 ` Philipp Thomas
2000-04-27 17:32 ` Joe Buck
2000-04-24 23:38 ` Martin Kahlert
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