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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/66005] libgomp make check time is excessive
Date: Fri, 02 Jun 2023 10:16:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D66005

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |iains at gcc dot gnu.org

--- Comment #19 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Thomas Schwinge from comment #18)
> (In reply to Iain Sandoe from
> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109951#c4>)
> > I am also somewhat puzzled by what conditions I need to take advantage =
of
> > the parallel running?
> > Darwin has /usr/bin/getconf and AFAICT the number of cpus is reported OK
> > both at runtime and during config
>=20
> (That's not actually relevant for libgomp parallel testing.)
>=20
> > but it seems to be determined to run a single process.
>=20
> That's the fail-safe default if there's no 'flock' executable available --
> which I suspect is the case on your Darwin systems?  My recent commit
> r14-1490-g04abe1944d30eb18a2060cfcd9695d085f7b4752 "Support parallel test=
ing
> in libgomp: fallback Perl 'flock' [PR66005]" should've addressed that case
> (if you have Perl).

thanks. yes flock used to exist on Darwin but was removed some time ago (li=
ke
10+ years) so a replacement is needed - and Perl is available so let's see.=