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Use mpicc and mpicxx for MPI configurations

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This commit is contained in:
Paul Romano 2018-02-05 08:09:47 -06:00
parent c710184fba
commit 36244692fd
2 changed files with 10 additions and 7 deletions
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13
docs/source/usersguide/install.rst
View file

@ -263,14 +263,15 @@ should be used:
Compiling with MPI
++++++++++++++++++
To compile with MPI, set the :envvar:`FC` and :envvar:`CC` environment variables
to the path to the MPI Fortran and C wrappers, respectively. For example, in a
bash shell:
To compile with MPI, set the :envvar:`FC`, :envvar:`CC`, and :envvar:`CXX`
environment variables to the path to the MPI Fortran, C, and C++ wrappers,
respectively. For example, in a bash shell:
.. code-block:: sh
export FC=mpif90
export FC=mpifort
export CC=mpicc
export CXX=mpicxx
cmake /path/to/openmc
Note that in many shells, environment variables can be set for a single command,
@ -278,7 +279,7 @@ i.e.
.. code-block:: sh
FC=mpif90 CC=mpicc cmake /path/to/openmc
FC=mpifort CC=mpicc CXX=mpicxx cmake /path/to/openmc
Selecting HDF5 Installation
+++++++++++++++++++++++++++
@ -354,7 +355,7 @@ follows:
.. code-block:: sh
mkdir build && cd build
FC=ifort CC=icc FFLAGS=-mmic cmake -Dopenmp=on ..
FC=ifort CC=icc CXX=icpc FFLAGS=-mmic cmake -Dopenmp=on ..
make
Note that unless an HDF5 build for the Intel Xeon Phi (Knights Corner) is

4
tools/ci/travis-install.py
View file

@ -33,9 +33,11 @@ def install(omp=False, mpi=False, phdf5=False):
if not omp:
cmake_cmd.append('-Dopenmp=off')
# For MPI, we just need to change the Fortran compiler
# Use MPI wrappers when building in parallel
if mpi:
os.environ['FC'] = 'mpifort' if which('mpifort') else 'mpif90'
os.environ['CC'] = 'mpicc'
os.environ['CXX'] = 'mpicxx'
# Tell CMake to prefer parallel HDF5 if specified
if phdf5: