mimalloc build fails on GNU/Hurd due to undeclared 'open'

[sthibaul]

Bug report

Bug description:

Bug description:

The compilation of mimalloc on GNU/Hurd currently fails with the following error:

In file included from ../Objects/mimalloc/prim/prim.c:22,
                 from ../Objects/mimalloc/static.c:37:
../Objects/mimalloc/prim/unix/prim.c: In function 'mi_prim_open':
../Objects/mimalloc/prim/unix/prim.c:82:10: error: implicit declaration of function 'open'; did you mean 'popen'? [-Werror=implicit-function-declaration]
   82 |   return open(fpath,open_flags);
      |          ^~~~
      |          popen

This is already fixed upstream by https://github.com/microsoft/mimalloc/commit/98abfe042cbb168309832b744bbed982d81bba6b . will submit a PR containing a backport

CPython versions tested on:

CPython 3.13.0 b3

CPython versions tested on:

3.13

Operating systems tested on:

Other

Linked PRs

• gh-121732
• gh-121773

[Eclips4]

Related: #113141