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ENH: respect the I_MPI_ROOT setting for INTELMPI (issue #524)
Mark Olesen authored 
- add note in BuildIssues about the I_MPI_CC variable, which is needed
  when building with Intel-MPI and gcc/clang.

  This additional setting is needed since the changes needed to solve
  the issue of building scotch with Intel-MPI and icc (issue #434)
  means that mpiicc is now being used as the wrapper when compiling
  scotch.

- have the FOAM_MPI short name for INTELMPI start with 'impi-' instead
  of just the version number.
  Intel-MPI is often installed as /opt/intel/impi/4.1.3.049, which
  results in 'FOAM_MPI=4.1.3.049' and the mpi flavour is lost.
  Prefix these cases with 'impi-'
a6ef1050
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caseDicts
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config.csh
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thermoData
README.org
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cshrc
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README.org

OpenFOAM Configuration

The main OpenFOAM settings are located in the parent etc/ directory. The bash and csh shells are supported and to configure OpenFOAM source etc/bashrc or etc/cshrc respectively which source the following files in the config.sh or config.csh respectively:

  • settings: core settings
  • aliases: aliases for interactive shells
  • unset: sourced to clear as many OpenFOAM environment settings as possible
  • mpi: MPI communications library settings
  • ensight: application settings for EnSight
  • paraview: application settings for ParaView
  • scotch: application settings for compiling against scotch
  • metis: application settings for compiling against metis 5

The config.*/example directories contains various example configuration files for the corresponding shell:

  • compiler: an example of fine tuning ThirdParty compiler settings
  • openmpi: an example of fine tuning openmpi settings for OpenFOAM
  • paraview: an example of chaining to the standard config/paraview with a different ParaView_VERSION
  • prefs: an example of supplying alternative site-defined settings