It needs fftw2-devel and xbae-devel added epel9 first:

(In reply to Terje Røsten from comment #1)
> It needs fftw2-devel and xbae-devel added epel9 first:

Hi Terje,
am I supposed to file a separate branch request in epel9 for those two components or who is taking care?
Best regards,
Lars

> am I supposed to file a separate branch request in epel9 for those two components

yes.

(In reply to Terje Røsten from comment #3)
> > am I supposed to file a separate branch request in epel9 for those two components
> 
> yes.

just filed brach requests for fftw2-devel and xbae-devel
will get back once those two packages are available for testing

There was not much happening here. So if anybody is still interested in Grace for RHEL9, packages are available in veltsov/grace COPR repository. (dnf copr enable veltsov/grace; dnf install grace).

https://pagure.io/releng/fedora-scm-requests/issue/60325

FEDORA-EPEL-2024-a401db921f (grace-5.1.25-38.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-a401db921f

FEDORA-EPEL-2024-a401db921f has been pushed to the Fedora EPEL 9 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-a401db921f

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

FEDORA-EPEL-2024-a401db921f (grace-5.1.25-38.el9) has been pushed to the Fedora EPEL 9 stable repository.
If problem still persists, please make note of it in this bug report.