Re: [boost] [config] BOOST_NO_CXX11_HDR_CODECVT is not defined for VC14

Subject: Re: [boost] [config] BOOST_NO_CXX11_HDR_CODECVT is not defined for VC14
From: Stephan T. Lavavej (stl_at_[hidden])
Date: 2015-07-27 15:35:08

[Andrey Semashev]
> You can also see STL mentioning DevDiv#1060849 here:
> http://blogs.msdn.com/b/vcblog/archive/2014/11/12/visual-studio-2015-preview-now-available.aspx?PageIndex=2 
> and I can see that the problem is not fixed in RTM. This also concerns 
> std::codecvt specializations for char16_t and char32_t.
> Can we define the BOOST_NO_CXX11_HDR_CODECVT macro for MSVC?

[John Maddock]
> Investigating.... looks like a regression from VC12?

Technically, this isn't a regression because 2013 lacked char16_t/char32_t as real types. The STL (unwisely) provided fake typedefs.

I need to figure out how to provide real char16_t/char32_t specializations, but this is not planned for any 2015 Updates.

STL