Let me take a step back... Looking at the code, it should work ... except it does not :-(
$ configure --enable-mca-no-build=io-romio341 [...] checking which components should be disabled... io-romio341 [...] +++ Configuring MCA framework io checking for no configure components in framework io... checking for m4 configure components in framework io... ompio, romio341 --- MCA component io:ompio (m4 configuration macro) checking for MCA component io:ompio compile mode... static checking if MCA component io:ompio can compile... yes --- MCA component io:romio341 (m4 configuration macro) checking for MCA component io:romio341 compile mode... static checking if want ROMIO component... yes checking if MPI profiling is enabled... yes *** Configuring ROMIO distribution configure: OPAL configuring in 3rd-party/romio341 On Fri, Nov 18, 2022 at 5:18 PM Gilles Gouaillardet < gilles.gouaillar...@gmail.com> wrote: > 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 >> >> >>
