Re: [boost] [config] Changes to reflect Visual C++ "15" preview 5

Subject: Re: [boost] [config] Changes to reflect Visual C++ "15" preview 5
From: Billy O'Neal (VC LIBS) (bion_at_[hidden])
Date: 2016-10-08 01:47:47

>This still applies to MSVC 14.3, you can see the errors in the lexical_cast tests. Unfortuntely the tests don't build with MSVC 15 Preview 5 because of the new directory structure. But the MS Connect reports have been resolved as fixed

It's fixed in WCFB02 -- next time we can break bincompat. VS "15" will not have this bug fixed, as it requires changing the export surface of MSVCP140.dll, which we cannot do since we support deploying that thing app-locally. (Steve's comment in the connect bug saying he fixed this in the "next major version" was from February, before the major release schedules of the libraries and Visual Studio proper were de-synchronized)

>I recently reported a bug with char32_t instantiations in one of the extension codecvt headers (big5 IIRC)

Yes, I get to fix this bug. I'm not sure if any of those extensions are intended to be supported with char16_t/char32_t. Going to make for fun debugging ;)

Billy3
________________________________
From: Boost <boost-bounces_at_[hidden]> on behalf of Marcel Raad <raad_at_[hidden]>
Sent: Friday, October 7, 2016 9:25:02 PM
To: boost_at_[hidden]
Subject: Re: [boost] [config] Changes to reflect Visual C++ "15" preview 5

Andrey Semashev-2 wrote
> On 10/08/16 00:38, Beman Dawes wrote:
>>
>> BOOST_NO_CXX11_HDR_CODECVT
>>
>> That's wrong.
> <codecvt>
>  has been supplied at least since msvc 10.0. I'll
>> submit a P/R.
>
> I remember the
> <codecvt>
>  functionality was unusable because of the
> linking errors. I think it was the case around MSVC 14. I don't know
> if/when it was fixed.

This still applies to MSVC 14.3, you can see the errors in the lexical_cast
tests. Unfortuntely the tests don't build with MSVC 15 Preview 5 because of
the new directory structure. But the MS Connect reports have been resolved
as fixed:
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fconnect.microsoft.com%2FVisualStudio%2Ffeedback%2Fdetails%2F1348277%2F&data=01%7C01%7Cbion%40microsoft.com%7Cc3e46ec2feb048fa36b708d3ef340e85%7C72f988bf86f141af91ab2d7cd011db47%7C1&sdata=c3YqOtKC8OoSzhE1l9vzLbJ%2Fv2nTM81fXEfK%2B9JSa6c%3D&reserved=0
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