Re: master 2c79a8f 2/2: Use posix_spawn if possible.

[Eli Zaretskii]

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Thu, 31 Dec 2020 17:10:28 +0100
> Cc: Emacs developers <emacs-devel@gnu.org>
> 
> I've now created the branch scratch/posix-spawn-no-gnulib that calls
> the libc posix_spawn function/syscall directly. I've realized that for
> now that's the better approach, as the Gnulib replacement doesn't let
> us call setsid() yet (that's a new functionality that is available on
> GNU/Linux and macOS, but not yet in Gnulib). This should also lower
> the impact on the Windows build.

Thanks, that builds on MS-Windows and passes my smoke test (after
fixing a minor glitch that caused a compilation warning).