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

[Philipp]

> Am 13.11.2021 um 15:08 schrieb Aaron Jensen <aaronjensen@gmail.com>:
> 
> On Fri, Nov 12, 2021 at 5:05 PM Alan Third <alan@idiocy.org> wrote:
>> 
>> On Fri, Nov 12, 2021 at 08:42:57AM -0500, Aaron Jensen wrote:
>>> On Fri, Nov 12, 2021 at 6:48 AM Philipp <p.stephani2@gmail.com> wrote:
>>> 
>>>> For now I did the second part.  There's a small slowdown on GNU/Linux 
>>>> (because posix_spawn performs a few additional safety checks), and a large 
>>>> speedup on macOS, see the attached plot
>>> 
>>> Great, thanks. I've added the patch to the homebrew installed
>>> emacs-plus for version 28, which is one of the more popular ways of
>>> installing Emacs on macOS. I believe a future version of emacs-mac
>>> will have the patch applied too, so there's not necessarily a rush to
>>> patch 28 and we will be getting some testing.
>> 
>> I think emacsformacosx.com builds dwarf pretty much any other macOS
>> builds in terms of user-base, and IIRC they're totally vanilla, so we
>> still might want to install this on the release branch only for macOS.
> 
> Ah, I didn't think about that one, good point. Then yeah, that seems
> like a good idea to install to emacs-28. If that's done, please let me
> know so I can remove the patch from emacs-plus.

I've backported the commit now onto the release branch.