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
>
>
>

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