Well, --enable-mca-no-build=io-romio341 works strictly speaking (it does not build the io/romio341 component).
That being said, it does not prevent 3rd-party/romio from being built, and this is what fails with gcc 4.8 I will file an issue in order to keep track of that. Cheers, Gilles On Fri, Nov 18, 2022 at 9:07 AM Barrett, Brian via devel < devel@lists.open-mpi.org> wrote: > --enable-mca-no-build=io-romio341 should still work. Or just > --disable-io-romio. > > No comment around the RHEL7 part; that's pretty old, but I don't think > we've officially said it is too old. Probably something worth filing a > ticket for so that we can run to ground before 5.0 release. Oddly, CI > continues to pass on RHEL7 in AWS. I'm not sure what we've done to cause > that, but also worth investigating. > > Brian > > On 11/14/22, 10:32 PM, "devel on behalf of Gilles Gouaillardet via devel" > <devel-boun...@lists.open-mpi.org on behalf of devel@lists.open-mpi.org> > wrote: > > CAUTION: This email originated from outside of the organization. Do > not click links or open attachments unless you can confirm the sender and > know the content is safe. > > > > Folks, > > > I tried to build on a RHEL7 like, and it fails at make time because > ROMIO requires stdatomic.h > > (it seems this file is only available from GCC 4.9) > > > Are we supposed to be able to build Open MPI 5 with GCC 4.8 (e.g. stock > RHEL7 compiler)? > > > --enable-mca-no-build=io-romio314 cannot help since ROMIO has been > moved > to 3rd-party > > is there an other workaround? if not, should be add something like > --enable-3rd-party-no-build=romio? > > > Cheers, > > > Gilles > > On 10/22/2022 6:23 AM, Austen W Lauria via devel wrote: > > Open MPI v5.0.0rc9 is now available for testing > > athttps://www.open-mpi.org/software/ompi/v5.0/ > > <https://www.open-mpi.org/software/ompi/v5.0/>. > > > > Please test, and send feedback either via the user mailing lists, or > > create an issue athttps://github.com/open-mpi/ompi/issues/ > > <https://github.com/open-mpi/ompi/issues/> . > > > > Seehttps://docs.open-mpi.org/en/v5.0.x/news/news-v5.0.x.html > > <https://docs.open-mpi.org/en/v5.0.x/news/news-v5.0.x.html> for a > list > > of changes since rc8. > > > > Thank you, > > v5.0 Release Managers > > >
