[lldb-dev] MSVC 2013 w/ Python 2.7 is moving to an unsupported toolchain

[Zachary Turner via lldb-dev]

On Tue, Feb 2, 2016 at 11:42 AM Tamas Berghammer <tberghammer at google.com>
wrote:

> Hi Zachary,
>
> We are still using MSVC 2013 and Python 2.7 to compile LLDB on Windows for
> Android Studio and we also have a buildbot what is testing this
> configuration (without sending e-mail at the moment) here:
> http://lab.llvm.org:8011/builders/lldb-windows7-android
>
> We are in the discussion to decide what is our plan for going forward both
> in terms of Visual Studio version and Python version and I expect that we
> will make a decision this week. Until then please don't remove any hack we
> have in the code because of MSVC 2013 (e.g. alias template workarounds) and
> if adding new code then please try not to break MSVC 2013. I will send out
> an update about our decision hopefully at the end of this week.
>
Yea I mentioned already that I'm not planning on removing anything related
to MSVC 2013, just that I'm personally not supporting it.  Which means that
if anyone asks for help, or wants to make it work, or if it breaks
accidentally, they're on their own :)  I don't even have MSVC 2013
installed on my machine anymore, so I can't fix any MSVC 2013 specific
issues that arise.

Of course if someone else comes along and wants to help, I have no problem
with that, but due to the difficulty of dealing with incompatibility
between Python 2 and MSVC 2015, it's just going to be up to someone else to
continue making that work if they need it.


>
> You mentioned that LLVM plan to bump the minimum version of MSVC to 2015.
> Do you have any link to the place where they discussed it or do you know
> anything about the schedule?
>

As far as I know the discussion hasn't started yet, but historically LLVM
has always been pretty consistent about bumping the required MSVC version
every 12-18 months.   I know some of the Windows people on the LLVM side
are already "unoficially" using MSVC 2015 on a regular basis, and that's
usually a sign that people are getting an early start to see what kind of
issues might be encountered by the general public when bumping the required
version.
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