Alan,
thanks for the report, I addressed this issue in
https://github.com/open-mpi/ompi/pull/8116
As a temporary workaround, you can apply the attached patch.
FWIW, f18 (shipped with LLVM 11.0.0) is still in development and uses
gfortran under the hood.
Cheers,
Gilles
On Wed, Oct 21, 2020 at
Hi Alan,
I do not have any experience building Open MPI with the new “flang” compiler
from the LLVM project (previously known as f18), but I successfully built an
Open MPI 4.0.5 with the legacy “flang” compiler on top of LLVM 9.0.0.
If your users’ requirement for LLVM is not strongly linked on L
