Re: mpich always injects lto flags

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Aug 6, 2020 at 5:24 PM Jeff Law <law@xxxxxxxxxx> wrote:
>
> On Thu, 2020-08-06 at 15:59 -0600, Christoph Junghans wrote:
> > On Wed, Aug 5, 2020 at 7:01 PM Christoph Junghans <junghans@xxxxxxxxx> wrote:
> > > On Wed, Aug 5, 2020 at 2:21 PM Jeff Law <law@xxxxxxxxxx> wrote:
> > > > On Wed, 2020-08-05 at 21:56 +0200, David Schwörer wrote:
> > > > > On 8/5/20 8:45 PM, Christoph Junghans wrote:
> > > > > > Hi,
> > > > > >
> > > > > > I am trying to rebuild espresso to adapt to the recent cmake changes,
> > > > > > when doing this I hit
> > > > > > https://github.com/espressomd/espresso/issues/3396, which prevents us
> > > > > > from compiling espresso with -lto, so I set _lto_cflags to %{nil},
> > > > > > which works for the build with openmpi, but gets ignored for the mpich
> > > > > > build.
> > > > > >
> > > > > > I think the problem is that CMake picks up the lto flags from mpicxx
> > > > > > and then puts them in
> > > > > > MPI_CXX_COMPILE_OPTIONS. (Also compare mpicc -show).
> > > > > >
> > > > > > So I think the fix would be to strip these flags from mpicc. Sounds reasonable?
> > > > > >
> > > > > > The flags also contain
> > > > > > '-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1', which effectively
> > > > > > makes it depend on redhat-rpm-config. We had a similar issue in hdf5 a
> > > > > > while back: https://bugzilla.redhat.com/show_bug.cgi?id=1794625
> > > > > >
> > > > > > Christoph
> > > > > >
> > > > > Another related bug is:
> > > > >
> > > > > https://bugzilla.redhat.com/show_bug.cgi?id=1821728
> > > > Note that the BZ complains about -fstack-clash-protection in LLVM which has had
> > > > various bits landing over the last few months.  So that specific issue I'd expect
> > > > to resolve itself over time.  The more general issue remains though.
> > > https://src.fedoraproject.org/rpms/mpich/pull-request/4
> >
> > Can any proven package retrigger
> > https://koji.fedoraproject.org/koji/taskinfo?taskID=48824350, the
> > tests seem flaky and passed for me here:
> > https://koji.fedoraproject.org/koji/taskinfo?taskID=48825280
> Done.  ppc64le seems to have tested fine this time.  Of course, there's quite a
> back-up on s390x, so it'll be a while before it's done and tagged.
Great, thanks!

>
> jeff
>
>
>


-- 
Christoph Junghans
Web: http://www.compphys.de
_______________________________________________
devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Users]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]

  Powered by Linux