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[DirectVerbs] Add support to Spectrum MPI #95

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[DirectVerbs] Add support to Spectrum MPI #95

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pakmarkthub
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Problem:

  • When using Spectrum MPI, we need to link against libmpi_ibm instead of libmpi.
  • This project cannot be compiled because it hard-code with -lmpi.

This PR:

  • adds --with-spectrum-mpi to configure. When it is detected, -lmpi_ibm will be used instead of -lmpi.
  • adds check that --with-mpi and --with-spectrum-mpi settings are mutually exclusive.

Presubmit testing:

  • Called configure and make on Summit and verified that the project can be compiled with Spectrum MPI.

@pakmarkthub pakmarkthub mentioned this pull request Aug 5, 2021
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@drossetti drossetti Awaiting requested review from drossetti

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