[webkit-dev] C++11 (was Re: on coding-style)

Sam Weinig weinig at apple.com
Sun Apr 14 16:14:45 PDT 2013

On Apr 13, 2013, at 1:55 AM, Carlos Garcia Campos <carlosgc at webkit.org> wrote:

> El vie, 12-04-2013 a las 18:15 -0700, Maciej Stachowiak escribió:
>> On Apr 12, 2013, at 4:09 PM, Karen Shaeffer <shaeffer at neuralscape.com> wrote:
>>> Of course, I understand that. But there is a huge opportunity cost to webkit.
>>> The c++11 standard also rewrites the entire standard library. I have been using
>>> g++ 4.7.2 using -stdc++11 in my work with linux. And the code I have tested is
>>> performing nearly like c code. If you take advantage of the performance enhancements
>>> in C++11, then you can realize impressive performance gains.
>>> I do understand the nature of the business. And I also understand that performance
>>> is huge moving forward, where resource constrained mobile platforms are significantly
>>> affected by performance issues. I suggest you'll see Blink moving aggressively to
>>> support C++11 moving forward. And I suggest it is in WebKit's long term interest to
>>> do so as well.
>> As others have said, we are definitely eager to use C++11 across the board but are limited by compiler support requirements.
>> One thing that it would be useful to know: what are the compilers and minimum required versions used for in-tree ports? Perhaps we could record this so we can regularly evaluate which features are safe to use and what the blockers are to wholesale adoption, if any.
> The GTK+ port now requires gcc >= 4.7 and clang >= 3. We also added the
> -stdc++11 where possible. See
> https://bugs.webkit.org/show_bug.cgi?id=109932

That's awesome!  


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