在 2022-11-07 12:37, Andrew Pinski 写道:
> 
> The original code which used pthread was added in GCC 5 way before GCC
> moved to being written in C++11 which was only in the last 3 years.
> pthread_* functions were the best choice at the time (2014) but now
> GCC is written in C++11, I don't see any reason not to move them over
> to using C++11 threading code.
> 
>

Attached is the proposed patch.

The win32 thread model does not have `std::mutex`; but there is no `pthread_mutex_t` either, so it 
does not build either way.

Tested bootstrapping GCC on `{i686,x86_64}-w64-mingw32` with languages 
`c,lto,c++,fortran,objc,obj-c++` and with the `mcf` thread model; no errors observed. The built 
`libgccjit-0.dll` does not have imports from winpthread any more.

Please review.


-- 
Best regards,
LIU Hao