Bug#1054148: mingw-w64: please enable support for the mcf thread model

[Stephen Kitt]

Package: mingw-w64
Version: 8.0.0-1
Severity: wishlist
X-Debbugs-Cc: LIU Hao <lh_m...@126.com>

Dear Maintainer,

On Wed, 4 Oct 2023 21:29:07 +0800, LIU Hao <lh_m...@126.com> wrote:
> I have submitted a new thread model for mingw-w64 targets, namely the `mcf`
> thread model [1], which can be enabled by passing `--enable-threads=mcf`
> when configuring GCC. The mcfgthread library [2] is required to have been
> built and installed after the mingw-w64 CRT; it doesn't depend on the CRT
> though, only depends on some import libraries for system DLLs.
>
> AFAICT Debian provides GCC with the `posix` and `win32` thread model. Would
> you please consider providing an `mcf` one as well? So far I have made
> similar proposals to winlibs [3] and mingw-builds [4], hopefully we can
> have it on Debian as well.
>
>
> [1]
> https://github.com/gcc-mirror/gcc/commit/f036d759ecee538555fa8c6b11963e4033732463
> [2] https://github.com/lhmouse/mcfgthread [3]
> https://github.com/brechtsanders/winlibs_mingw/releases/tag/13.2.0mcf-16.0.6-11.0.0-ucrt-r1
> [4]
> https://github.com/niXman/mingw-builds/commit/b876df909372d7fb0ab21aa58ce1b7c0df813dbe