Re: [boost] [Config] Big changes in C++0x detection...

Subject: Re: [boost] [Config] Big changes in C++0x detection...
From: John Maddock (boost.regex_at_[hidden])
Date: 2011-03-17 09:14:48

>>> Yes. So the behavior of vc10's decltype wrt this issue is in conformance
>>> with /current/ working paper -- which is broken, according to n3233. It
>>> will be discussed soon in Madrid. If the proposed wording is accepted
>>> (and I hope to god it is), then VC10's decltype --along with everybody
>>> else's-- will need to be fixed.
>>>
>>> But please fix it anyway. :-)
>> 
>> Eric, is it still your opinion that enabling decltype for vc-10 in
>> Boost.Config will break too much for it to be worth it?
> 
> I worked around the problem in Proto, so Proto and its dependencies
> should be ok -- so flip it, right? OTOH, we flip it, then users' code
> could break the way Proto did -- so don't flip it, right? OTOH, if n3233
> gets rejected, then our hand is forced: vc10's decltype is strictly
> conforming, even if it breaks stuff -- so why not just flip it now,
> right? I've run out of hands, and I haven't seen a good option yet.
> 
> Sure, yeah, what the hell, flip the switch on trunk and see what breaks.
> Whee!

OK, enabled, fingers crossed and hopes for the best...

John.