Re: bug#54667: 29.0.50; posix_spawn breaks emacs-gdb

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Date: Wed, 06 Apr 2022 11:02:12 +0200
> 
> >>>>> On Mon, 04 Apr 2022 16:11:51 +0200, Robert Pluim <rpluim@gmail.com> 
> >>>>> said:
>     Robert> In emacs-28 we only use posix_spawn on macOS because its vork is
>     Robert> sub-optimal. I donʼt remember the rationale for switching to 
> using it
>     Robert> everywhere, itʼs undoubtedly in the archives somewhere.
> 
>     Robert> Closing.
>     Robert> Committed as 8103b060d8
> 
> Actually, do we want this in emacs-28 as well?

The fix installed on master isn't macOS-specific, AFAICT.  Can it be
reasonably installed on emacs-28 as macOS-specific?  If yes, I think
we should indeed backport it.

Thanks.