From owner-freebsd-stable@FreeBSD.ORG  Tue Jun 28 21:47:43 2005
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From: "Alexander S. Usov" <A.S.Usov@kvi.nl>
Date: Tue, 28 Jun 2005 23:45:38 +0200
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Subject: Re: libstdc++ version bump.
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David O'Brien wrote:

> On Tue, Jun 28, 2005 at 06:44:02PM +0200, Michael Nottebrock wrote:
>> On Tuesday, 28. June 2005 18:21, Scot Hetzel wrote:
>> 
>> > Are you sure that the problem is with libstdc++ and not the above
>> > libraries?
>> 
>> Yes, it's a well known-fact. In fact there might have been a break of ABI
>> backwards-compatibility between gcc 3.3 and 3.4, too, but I'm not sure.
> 
> There was.  3.3 could support either the C++ ABI of GCC 3.2, in which
> there was an implementation bug; or the fixed ABI of 3.4.  I had hoped we
> had gone with the fixed ABI rather than being G++ 3.2 compatible, but
> that is what users wanted at the time.

Do I read it correctly that on 5.4 (with 3.4 in it) it is possible to
convince lang/gcc33 to be binary compatible with system libraries?
Do you have any link for it?

-- 
Best regards,
  Alexander.