[Mvapich-discuss] Build Failure with NVHPC 23.3

[Subramoni, Hari]

Hi, Sylvain/Louise.

Thanks for the report. We will take a look at this and get back to you soon.

Best,
Hari.

From: Mvapich-discuss <mvapich-discuss-bounces+subramon=cse.ohio-state.edu at lists.osu.edu> On Behalf Of Korzennik, Sylvain via Mvapich-discuss
Sent: Friday, May 5, 2023 11:20 AM
To: Louise Spellacy <louise.spellacy at linaro.org>; Announcement about MVAPICH2 (MPI over InfiniBand, RoCE, Omni-Path, iWARP and EFA) Libraries developed at NBCL/OSU <mvapich-discuss at lists.osu.edu>
Subject: Re: [Mvapich-discuss] Build Failure with NVHPC 23.3

I ran into the exact same problem - unclear to me why config w/ NVIDIA 23. x turns on "supports fortran 2008" and then fails miserably, while NVIDIA 22. x compilers did not. Also, the config adds -rdynamic that is not supported by NVIDIA's
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I ran into the exact same problem - unclear to me why config w/ NVIDIA 23.x turns on "supports fortran 2008" and then fails miserably, while NVIDIA 22.x compilers did not.
Also, the config adds -rdynamic that is not supported by NVIDIA's compilers.
    Cheers,
      Sylvain
--


On Fri, May 5, 2023 at 11:14 AM Louise Spellacy via Mvapich-discuss <mvapich-discuss at lists.osu.edu<mailto:mvapich-discuss at lists.osu.edu>> wrote:
Hi, I am building MVAPICH2 2. 3. 7 with NVHPC 23. 3 which is encountering a build error. The configure script runs successfully but when building with make I get the following error:  make -j 8   MOD      src/binding/fortran/use_mpi_f08/mpi_f08_types. stampNVFORTRAN-S-0081-Illegal
Hi,

I am building MVAPICH2 2.3.7 with NVHPC 23.3 which is encountering a build error.

The configure script runs successfully but when building with make I get the following error:

 make -j 8
  MOD      src/binding/fortran/use_mpi_f08/mpi_f08_types.stamp
NVFORTRAN-S-0081-Illegal selector - KIND value must be non-negative  (../mvapich2-2.3.7/src/binding/fortran/use_mpi_f08/mpi_f08_types.f90: 355)
  0 inform,   0 warnings,   1 severes, 0 fatal for mpi_sizeof_xreal128
NVFORTRAN-S-0081-Illegal selector - KIND value must be non-negative  (../mvapich2-2.3.7/src/binding/fortran/use_mpi_f08/mpi_f08_types.f90: 385)
  0 inform,   0 warnings,   1 severes, 0 fatal for mpi_sizeof_xcomplex128
make: *** [Makefile:45401: src/binding/fortran/use_mpi_f08/mpi_f08_types.stamp] Error 1

These lines refer to code using real128 datatypes.

When I compared the status of the configure, with a previously successful build with NVHPC 22.5 - the HAVE_F08_BINDING is set to 1 (with 23.3) not 0 (with 22.5).

I attempted to work around this by setting --enable-fortran=f77 but this removes the mpif90 compiler so this wasn't a viable work-around.

Is there a way of enabling f90 support without explicitly enabling f08 support? The only option I could see was --enable-fortran=fc which enables both.

Or adding a check for real128 support to the configure script for Fortran 2008 support checking?

All the best,

Louise
--------

Louise Spellacy
Principal Engineer

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