On Wed, Dec 22, 2021 at 4:11 PM Matt Thompson <fort...@gmail.com> wrote: > > All, > > When I build Open MPI with NAG, I have to pass in: > > FCFLAGS"=-mismatch_all -fpp" > > this flag tells nagfor to downgrade some errors with interfaces to warnings: > > -mismatch_all > Further downgrade consistency checking of procedure argument > lists so that calls to routines in the same file which are > incorrect will produce warnings instead of error messages. > This option disables -C=calls. > > The fpp flag is how you tell NAG to do preprocessing (it doesn't > automatically do it with .F90 files). > > I also have to pass in a lot of other flags as seen here: > > https://github.com/mathomp4/parcelmodulefiles/blob/main/Compiler/nag-7.1_7101/openmpi/4.1.2.lua > > Now I hadn't yet tried NAG 7.1 with Open MPI because NAG 7.1 has a bug with a > library I depend on, but it does promise better F2008 support. To see what > happens, I tried myself and added --enable-mpi-fortran=all, but: > > checking if building Fortran 'use mpi_f08' bindings... no > configure: error: Cannot build requested Fortran bindings, aborting > > Unfortunately, the NAG Fortran guru I work with is off until the new year. > When he comes back, I might ask him about this. He might know something we > can do to make NAG happy with mpif08. >
The very curious thing about this is that NAG 7.1 is that mpif08 configured properly with the macOS (Intel architecture) flavor of it. But as this thread seems to indicate, it barfs on Linux. Just an extra data point. Tom
