[cfe-dev] Upcoming changes to _MSC_VER

Gabriel Dos Reis via cfe-dev cfe-dev at lists.llvm.org
Wed Oct 5 18:42:05 PDT 2016


Hi,

This is a heads up.
I spoke with a couple of you (e.g. Chandler, Reid) 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 Clang+LLVM source code needed a few changes to
use inequalities instead of equalities with _MSC_VER.

Thanks,

-- Gaby
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