[LLVMdev] [RFC] Raising minimum required Visual Studio version to 2013 for trunk

[Yaron Keren]

Mixing Visual C++ 2012 and 2013 runtime DLLs should not a problem as long
you don't try to allocate a resource (FILE, memory,...) managed by one
runtime DLL and access or release it in other runtime DLL that does not
know about it. In general the runtime DLLs don't coordinate resource
management, unless the resource is actually managed by Windows behind the
scenes. See here:


http://social.msdn.microsoft.com/Forums/vstudio/en-US/614c9181-33b7-4ffa-968d-a910bb68eb33/can-i-use-msvcrt100dll-with-visual-c-2013?forum=vcgeneral

Yaron



2014-08-22 5:11 GMT+03:00 Chandler Carruth <chandlerc at google.com>:

>
> On Thu, Aug 21, 2014 at 7:06 PM, Alex Rosenberg <alexr at leftfield.org>
> wrote:
>
>> * We absolutely have to ship a set of DLLs that run hosted in VS2012. Is
>> there any sort of runtime incompatibility that would happen if we built
>> with 2013, needed the 2013 CRT, but tried to run inside the VS2012 process?
>> That would be a complete show stopper for us since we have a committed
>> schedule for support of versions of VS that we host in.
>
>
> FWIW, it is this kind of problem that I worry about too -- hopefully folks
> can try it out and report back?
>
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