[boost] Upcoming changes to _MSC_VER

Subject: [boost] Upcoming changes to _MSC_VER
From: Gabriel Dos Reis (gdr_at_[hidden])
Date: 2016-10-05 22:11:40

Hi,

This is a heads up.
I spoke with Beman at CppCon about this: the upcoming release of Visual
Studio (VS "15") has some changes to how _MSC_VER will be defined at every
(future) update.  These changes are already implemented in 'VS "15" Preview
5'. The full details are here https://blogs.msdn.
microsoft.com/vcblog/2016/10/05/visual-c-compiler-version/

Internal testing showed that some components of Boost source code needed a
few changes to use inequalities instead of equalities with _MSC_VER.

Thanks,

PS: The formal documentation of _MSVC_LANG is coming.

-- Gaby