Subject: Re: [boost] Showstopper for Boost 1.56?
From: Eric Niebler (eniebler_at_[hidden])
Date: 2014-07-30 14:58:13
On 7/29/2014 6:45 AM, Peter Dimov wrote:
> Niall Douglas wrote:
>
>> On 29 Jul 2014 at 16:27, Peter Dimov wrote:
>>
>> > > Unless I'm missing something, C++11 includes C99 preprocessor > >
>> (variadic macros, at least). So I don't see why these warnings should
>> > > be emitted. A compiler bug perhaps?
>> >
>> > C++11 (-std=c++11) does, but -std=c++0x probably doesn't.
>>
>> That occurred to me too, so I tried -std=c++11 and got the same
>> warnings spew.
>
> Definitely a clang bug then. It should not enable C99 warnings by
> default in C++11 mode. The fix is to disable the warning in the Jamfile.
> I thought that the clang toolset already did that as we've discussed
> this issue with Edward Diener in the past, but I can't find
> -Wno-c99-extensions anywhere.
Is someone working on a fix? I'd be willing to take a patch that
suppresses the warning from the Jamfile(s). That's obviously
unsatisfactory since it doesn't help people who build in other ways.
\e