[cfe-commits] Microsoft extension (enum 'enum' used in

[Nico Weber]

On Mon, Apr 30, 2012 at 8:56 AM, Aaron Ballman <aaron at aaronballman.com> wrote:
> On Mon, Apr 30, 2012 at 10:51 AM, Douglas Gregor <dgregor at apple.com> wrote:
>>
>> On Apr 28, 2012, at 2:04 PM, Francois Pichet wrote:
>>
>>> On Sat, Apr 28, 2012 at 4:09 PM, Ahmed Charles <ahmedcharles at gmail.com> wrote:
>>>>  qualified name)
>>>> MIME-Version: 1.0
>>>> Content-Type: text/plain; charset="utf-8"
>>>> Content-Transfer-Encoding: 7bit
>>>>
>>>> Has there been any consideration around having MS imply C++11? Given
>>>> that VC doesn't support modes for standard versions, it wouldn't
>>>> breaking users expectations as much as requiring that their code is
>>>> compatible with the most recent version of VC.
>>>
>>>
>>> Yes that would make sense if we want to emulate the latest MSVC.
>>> (clang can't the MSVC 2010 standard header files without -std=c++11)
>>>
>>> I haven't pushed that because I always use -cc1 and explicitly pass
>>> the options I want.
>>
>>
>> I'd be fine with ms-compatibility mode enabling C++11. There's no point in trying to support older MSVC versions.
>
> I think it's reasonable as well.

Note that the msvc c++ library headers expect stddef.h to define
std::nullptr_t when building in c++11 mode. Without this, they won't
parse. (That's not an argument against the proposed change, doing it
will just require other changes too.)

Nico