[webkit-dev] Build slave for JSCOnly Linux MIPS

[Anders Carlsson]

> On Apr 19, 2016, at 12:21 PM, Konstantin Tokarev <annulen at yandex.ru> wrote:
> 
> 
> 
> 19.04.2016, 22:11, "Anders Carlsson" <andersca at apple.com>:
>>>  On Apr 19, 2016, at 12:09 PM, Konstantin Tokarev <annulen at yandex.ru> wrote:
>>> 
>>>  19.04.2016, 21:38, "Anders Carlsson" <andersca at apple.com>:
>>>>  I’d like us to switch over to using C++14 in WebKit2 so we can get the new generalized lambda capture (https://isocpp.org/files/papers/N3648.html), so we can capture move-only types in lambdas. According to https://gcc.gnu.org/projects/cxx-status.html that would require GCC 4.9.
>>> 
>>>  This code compiles fine with GCC 4.8 with -std=c++1y flag:
>>> 
>>>  auto f(std::unique_ptr<int> ptr)
>>>  {
>>>     [value = std::move(ptr)] {return *value;};
>>>  }
>> 
>> GCC 4.8 has “partial” support, which may or may not be OK for our purposes. I’d rather be safe than sorry.
> 
> From https://gcc.gnu.org/gcc-4.9/changes.html#cxx:
> 
> "
> G++ supports C++1y lambda capture initializers:
> 
>    [x = 42]{ ... };
> 
> Actually, they have been accepted since GCC 4.5, but now the compiler doesn't warn about them with -std=c++1y, and supports parenthesized and brace-enclosed initializers as well. 
> "
> 
> So it states pretty clearly what is supported only since 4.9

According do  https://gcc.gnu.org/projects/cxx-status.html <https://gcc.gnu.org/projects/cxx-status.html> (which I linked in original e-mail), GCC 4.5 has “partial” support.

- Anders

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