llvm-mingw support update

[Martin Storsjö]

On Tue, 28 Jan 2020, Jacek Caban wrote:

> On 20.12.2019 15:36, Jacek Caban wrote:
>> DEFAULT_MSVCRT=msvcrt-os part is needed because Wine can't deal with 
>> mingw-w64 defaulting to crt version other than msvcrt.dll.
>
>
> With current Wine git, this is no longer relevant, Wine should handle that 
> fine. mingw-w64 config just needs to be good enough for configure tests, so 
> any sane mingw-w64 configuration will work. If you want to use llvm-mingw, 
> leaving its default config is probably a good choice in general.

Awesome! Thanks for working on this!

// Martin