[llvm-dev] Upgrading to MSVC 2015

[Aaron Ballman via llvm-dev]

On Tue, Mar 29, 2016 at 3:52 PM, Alexander Riccio via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Btw, I can't remember if this is explicit in the documentation: Does LLVM
> require the latest two *updated* versions of Visual Studio? (i.e. VS2013
> update 5 & VS 2015 update 1)
>
> I've seen people on the mailing list several times running an out of date
> version, which is nonsensical, and could cause strange problems.

Yes, we require the latest updates to be installed, though we don't
currently document it (I'll go fix that).

~Aaron

>
> sent from my (stupid) windows phone
> ________________________________
> From: Zachary Turner via llvm-dev
> Sent: ‎3/‎29/‎2016 1:30 PM
> To: llvm-dev
> Subject: [llvm-dev] Upgrading to MSVC 2015
>
> I think it's been a little over a year since we bumped the minimum VS
> version to 2013.  Are we planning to do the same for 2015?  Update 2 is
> releasing soon, which is stable enough at least to ship Chromium.
>
> Language wise, 2015 comes with a lot of new C++ features.  The most
> interesting to people will probably be template aliases, C++11 constexpr,
> the thread_local keyword, and thread-safe function local statics (finally).
> A complete list of new C++ language support can be found here.
>
> As far as the different LLVM subprojects are concerned, LLDB was always
> going to be the hardest get working with MSVC 2015 due to the fact that it
> embeds python as an extension module, but as the LLDB maintainer for Windows
> I tackled this early and I can say that it's now done and we have completely
> transitioned to MSVC 2015 already in LLDB.
>
> Since we are only supporting 2015 in LLDB moving forward, I have a slight
> preference to bumping this in LLVM sooner rather than later, but I'd like to
> hear other peoples' thoughts on the matter as well.
>
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