Time to bump gcc on master?

Sebastian Huber sebastian.huber at embedded-brains.de
Fri Nov 11 07:52:37 UTC 2016


----- Joel Sherrill <joel at rtems.org> schrieb:
> On Thu, Nov 10, 2016 at 1:36 AM, Sebastian Huber <
> sebastian.huber at embedded-brains.de> wrote:
> 
> > For the libbsd update we need the November Newlib snapshot (or the
> > release). I have also a libgomp (OpenMP) performance improvement in the
> > queue, for this I need a future GCC snapshot.
> >
> >
> Is the 20161025 snapshot that Jeff just posted OK? We can bump again
> when something newer is available.

The snapshot is in general, but not sufficient for the libbsd update. We can bump again, its not a problem.  I struggle currently a bit with the UMA after the FreeBSD update.

> 
> So gcc 6.2 is not worth the trouble to update to? Are we looking at
> a gcc pre-7 snapshot or pre-6.3? Between the new gcc
> versioning and the "future GCC snapshot", I am not sure what
> you want. GCC makes snapshots about once a week. Which
> of these would you be wanting?
> 
> ftp://gcc.gnu.org/pub/gcc/snapshots/6-20161103/

I would bump to the 6-20161103 snapshot.  We should switch to GCC 7 right after the branch on the master.

> ftp://gcc.gnu.org/pub/gcc/snapshots/7-20161106/
> 
> With the assumption that we would be moving 4.12 to a released
> version as soon as we can.
> 
> I am happy to bump the RSB. I just want to make sure I know
> where we need to go.
> 
> --joel
> 
> 
> >
> > On 10/11/16 00:44, Joel Sherrill wrote:
> >
> >> Hi
> >>
> >> As we approach a 4.12 branching point, we need to pick
> >> a better gcc version. The current RTEMS default is
> >> gcc-6-20160609
> >>
> >> I am testing now to bump newlib to newlib-2.4.0.20161025-1.
> >>
> >> This reports as:
> >>
> >> sparc-rtems4.12-gcc (GCC) 6.1.1 20160609 (RTEMS 4.12, RSB
> >> 6d2eaba6c9bccedc04dfc2802a0d11835a98a417, Newlib 2.4.0.20161025)
> >>
> >> gcc 6.2 was released in August and based on their new numbering
> >> scheme, that should be the release immediately following our
> >> snapshot.
> >>
> >> Anyone have any objections to me updating to gcc 6.2 after
> >> seeing how the newlib version bump goes?
> >>
> >> Thanks.
> >>
> >> --joel
> >>
> >>
> >> _______________________________________________
> >> devel mailing list
> >> devel at rtems.org
> >> http://lists.rtems.org/mailman/listinfo/devel
> >>
> >
> > --
> > Sebastian Huber, embedded brains GmbH
> >
> > Address : Dornierstr. 4, D-82178 Puchheim, Germany
> > Phone   : +49 89 189 47 41-16
> > Fax     : +49 89 189 47 41-09
> > E-Mail  : sebastian.huber at embedded-brains.de
> > PGP     : Public key available on request.
> >
> > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
> >
> >

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.



More information about the devel mailing list