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#mpi #probe #query #installed #find #probing #environment

build build-probe-mpi

Probes the system for an installation of an MPI library

by Benedikt Steinbusch, Andrew Gaspar, Jed Brown and 18 contributors

5 releases

0.1.4 May 3, 2024
0.1.3 Oct 21, 2023
0.1.2 Aug 5, 2022
0.1.1 Feb 24, 2018
0.1.0 Jun 5, 2017

#217 in Build Utils

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3,236 downloads per month
Used in 23 crates (3 directly)

MIT/Apache

13KB
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Probe an environment for an installed MPI library

Probing is done in several steps on Unix:

  1. Try to find an MPI compiler wrapper either from the environment variable MPICC or under the name mpicc then run the compiler wrapper with the command line argument -show and interpret the resulting output as gcc compatible command line arguments.
  2. Query the pkg-config database for an installation of mpich.
  3. Query the pkg-config database for an installation of openmpi.

On Windows, only MS-MPI is looked for. The MSMPI_INC and MSMPI_LIB32/64 environment variables are expected.

The result of the first successful step is returned. If no step is successful, a list of errors encountered while executing the steps is returned.

Dependencies

~60KB