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Subject:	Re: Updated: gcc-5.2.0-1 (Test x86/x86_64)
To:	cygwin AT cygwin DOT com
References:	<560BC46D DOT 3060500 AT gmail DOT com> <560C0863 DOT 70505 AT tiscali DOT co DOT uk> <560C6369 DOT 7060602 AT gmail DOT com>
From:	David Stacey <drstacey AT tiscali DOT co DOT uk>
Message-ID:	<560C71FB.4030005@tiscali.co.uk>
Date:	Thu, 1 Oct 2015 00:36:27 +0100
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On 30/09/15 23:34, JonY wrote:
> On 10/1/2015 00:05, David Stacey wrote:
>> On 30/09/15 12:15, JonY wrote:
>>> gcc-5.2.0-1 has been uploaded for 32bit and 64bit Cygwin.
>>>
>>> This is the first series of the 5.x releases, and should be considered
>>> as experimental as such.
>>
>> Have you managed to work around the ABI change in gcc-5 [1], or will
>> this require a mass rebuild at the point gcc-5 becomes 'current'?
>>
>> [1] -http://developerblog.redhat.com/2015/02/05/gcc5-and-the-c11-abi/
> As far as I know, every gcc release will break C++ ABI, so it would mean
> rebuilding everything C++.

According to the Red Hat blog above, the last time g++ caused an ABI 
change was back in the 3.x days, so it hasn't happened for a while. Ah 
well, we have maintainers for most packages in Cygwin, so we'll have to 
co-ordinate a rebuild.

Dave.


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