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 microsoft/mimalloc@98abfe0 . 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-121731: Fix mimalloc compile error on GNU/Hurd #121732
• [3.13] gh-121731: Fix mimalloc compile error on GNU/Hurd (GH-121732) #121773

[Eclips4]

Related: #113141