bug#44743: native-comp: confirm-exit-emacs warns about active processes when compiling

[Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Andrea Corallo <akrl@sdf.org>
>> Cc: stefan@marxist.se, larsi@gnus.org, 44743-done@debbugs.gnu.org
>> Date: Fri, 26 Feb 2021 13:44:47 +0000
>> 
>> > A better solution, from my POV, given the controversy, is to provide a
>> > defcustom for this, and then I'm okay with making silently killing the
>> > compilation the default.  I thought it would leave everyone happy.
>> > For some reason, Lars and Stefan are against even that, so I hesitate
>> > to even ask you, Andrea, to add such a defcustom if you have time.
>> 
>> I also agree the customize look like the best option, 54df918ad1 adds
>> `comp-async-query-on-exit' setting it to nil as default.
>
> Thanks.
>
>> Please have a look to the docstring I've added and let me know in case
>> needs improvent, my docstring skills are worst than my coding one's.
>
> Thanks, I've made some changes there.

Appreciated

> Btw, all the defcustom's in comp.el will need to have the :version
> tag.  But we can leave this for later.

Okay

Thanks

  Andrea