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From: Ian Lance Taylor <iant@google.com>
To: mario guerra <emailformario@yahoo.com>
Cc: mario guerra <emailformario@gmail.com>, gcc-help@gcc.gnu.org
Subject: Re: supporting multiple versions of GCC with a single shared object   release?
Date: Wed, 15 Apr 2009 17:40:00 -0000	[thread overview]
Message-ID: <m34owpvmqw.fsf@google.com> (raw)
In-Reply-To: <340697.63416.qm@web34805.mail.mud.yahoo.com> (mario guerra's message of "Wed\, 15 Apr 2009 10\:13\:38 -0700 \(PDT\)")

mario guerra <emailformario@yahoo.com> writes:

> --- On Tue, 4/14/09, Ian Lance Taylor <iant@google.com> wrote:
>> The C++ compiler/library is supposed to have a stable ABI
>> as of gcc 4.0
>> and later.  For earlier versions, you pretty much do
>> have to do a build
>> for each version.
>
> If we built our simulator with 4.x, wouldn't that potentially break
> some of our third party vendors who are still using some variant of
> 3.x? The 4.x library isn't backwards compatible, is it?

No, the 4.x library is not reliably backward compatible.  Actually it
may be backward compatible to 3.4, but not before that.  For earlier
versions you will still have to do a build for each version.

Ian

  reply	other threads:[~2009-04-15 17:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-15 17:13 mario guerra
2009-04-15 17:40 ` Ian Lance Taylor [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-04-17 14:55 mario guerra
2009-04-17 15:30 ` Ian Lance Taylor
2009-04-15 17:09 mario guerra
     [not found] <5480d0a80904141452g45324a9ch68c1e1a6e5e51904@mail.gmail.com>
2009-04-14 22:02 ` mario guerra
2009-04-14 22:09   ` Brian Budge
2009-04-14 22:21   ` Ian Lance Taylor
2009-04-15 15:09   ` John Fine
2009-04-16 17:06     ` Andrew Haley

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