[cfe-dev] [LLVMdev] [RFC] Raising LLVM minimum required MSVC version to 2013 for trunk

[Óscar Fuentes]

Alex Rosenberg <alexr at leftfield.org> writes:

> On Aug 24, 2014, at 5:08 AM, Renato Golin <renato.golin at linaro.org> wrote:
>
>> On 24 August 2014 02:05, Alex Rosenberg <alexr at leftfield.org> wrote:
>>> But it must. If you want to be able to use LLVM DLLs inside a
>>> Windows app, it has to be built with MSVC because they have their
>>> own C++ ABI. At some point, Clang will support Microsoft's ABI well
>>> enough to consider a bootstrap instead.
>> 
>> Ah, there's my answer! I thought we were at that stage already.
>
> While admirable progress has been made, AFAIK, no attempt has begun to
> get debugging working. It is not practical to use LLVM from within a
> Windows application today unless it's built with MSVC.

You mean "a Windows C++ application compiled by MSVC", don't you? (And
even so we are ignoring the C bindings!)

LLVM always was more usable with MinGW than with MSVC. That's a natural
consequence of LLVM/Clang being focused on GCC compatibility and
developed on a POSIX environment.