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From: Mark Mitchell <mark@codesourcery.com>
To: "obrien@freebsd.org" <obrien@freebsd.org>
Cc: Andreas Jaeger <aj@suse.de>, "gcc@gcc.gnu.org" <gcc@gcc.gnu.org>
Subject: Re: C++ binary compatibility between GCC 3.1 and GCC 3.2?
Date: Fri, 05 Jul 2002 15:08:00 -0000	[thread overview]
Message-ID: <26670000.1025905035@gandalf.codesourcery.com> (raw)
In-Reply-To: <20020705143353.D89951@dragon.nuxi.com>



--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.

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.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

  reply	other threads:[~2002-07-05 21:42 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 [this message]
2002-07-06  5:34           ` Andreas Jaeger
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     ` 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
2002-07-05 15:02     ` Mark Mitchell
2002-07-06  6:28       ` Scott Robert Ladd
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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