[PATCH 1/2] toplevel: do not make libstdc++ configure wait for libgomp

[Jonathan Wakely]

On Wed, 12 Aug 2026 at 14:56, Jeffrey Law <jeffrey.law@oss.qualcomm.com> wrote:
>
>
>
> On 8/12/2026 7:50 AM, Kyrylo Tkachov wrote:
> >
> >> On 12 Aug 2026, at 15:30, Jeffrey Law <jeffrey.law@oss.qualcomm.com> wrote:
> >>
> >>
> >>
> >> On 8/11/2026 9:24 AM, Sam James wrote:
> >>> Kyrylo Tkachov <ktkachov@nvidia.com> writes:
> >>>
> >>>>> On 11 Aug 2026, at 15:11, Sam James <sam@gentoo.org> wrote:
> >>>>>
> >>>>> <ktkachov@nvidia.com> writes:
> >>>>>
> >>>>>> From: Kyrylo Tkachov <ktkachov@nvidia.com>
> >>>>>>
> >>>>>> libstdc++'s configure was made to depend on libgomp's configure in 2007, when
> >>>>>> GLIBCXX_ENABLE_PARALLEL decided whether to enable parallel mode by looking for
> >>>>>> a configured libgomp/omp.h on disk.  Since 2010 the test has instead grepped
> >>>>> Could you include commit refs for these? It's nice for us who go digging
> >>>>> fairly often (also makes it easier to verify this is right).
> >>>> Yeah, sure. Here it is with the references in the commit message.
> >>> Thank you!
> >>>
> >>> I can't approve it but both patches LGTM.
> >> OK for the trunk.  Thanks!
> > Thanks, does that include patch 2 (the one that gives the biggest bootstrap gain)? Or do we want a libstdc++ for that?
> Sorry I wasn't clear.  Just patch #1. I'd prefer one of the libstdc++
> guys chime in on patch #2 since it's clearly in their space.


I approved patch 2 as well, thanks for working on this.