Adding support for mingw-w64 and winpthread

[Vincent R via D.gnu]

On Wednesday, 30 March 2016 at 12:05:27 UTC, Vincent R wrote:
> On Wednesday, 30 March 2016 at 11:44:41 UTC, Johannes Pfau 
> wrote:
>> Am Wed, 30 Mar 2016 08:27:27 +0000
>> schrieb Vincent R <lol at dlang.org>:
>>
>>> [...]
>>
>> Known problem, I'll probably push a fix to master for this 
>> soon. Linking -lws2_32 -lwsock32 is the correct workaround, 
>> but the libraries must be specified in the correct order 
>> regarding libphobos IIRC.
>>
>> Try
>> gdc -nophoboslib -lws2_32 -lwsock32 -lgphobos2
>> or
>> gdc -nophoboslib -lgphobos2 -lws2_32 -lwsock32
>>
>> One of these should work ;-)
>
> Thanks the second option works.

Is there any progress for mingw ? Have you fixed what you wanted 
to about tls , link order, ... ?
I am asking because as long as it's not done it cannot be push 
upstream and cannot be tested.