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

[Po Lu]

Jostein Kjønigsen <jostein@secure.kjonigsen.net> writes:

> Like Saulius says, this is fairly technical and far above at least my head.
>
> I still think it's worth discussing if we *need* this change for
> Linux. When the original commit was landed, (from what I can tell) it
> was because it was needed for Mac, and assumed harmless for other
> platforms. The merge to master was then meant as a testing-ground to
> see if it would cause issues.

FWIW, I think use of posix_spawn should only be enabled on macOS, as a
work around for Apple's recent changes to vfork.  There is no reason to
risk needlessly breaking things for people.