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Install OpenMC

Clone repository

git clone https://github.com/mit-crpg/openmc.git
cd openmc
git checkout master

Make sure modules are loaded

module load openmpi/3.1.3
module load hdf5/1.10.4-openmpi
module load cmake/3.13.0

Export environment variables specifying mpi compilers and parallel hdf library

export FC=$MPI_ROOT/bin/mpif90
export CC=$MPI_ROOT/bin/mpicc
export HDF_ROOT=$HDF5_DIR

Now to configure with cmake and build/install with make

mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=/path/to/install/dir -DHDF5_PREFER_PARALLEL=on ..
make
make install

Seems to work. There were some errors about the Python directories, but they haven't been installed yet.

Testing OpenMC

Download test data (make sure you are in the directory that contains the openmc repo.

wget -O nndc_hdf5.tar.xz $(cat openmc/.travis.yml | grep anl.box | awk '{print $2}')
tar xJvf nndc_hdf5.tar.xz
export OPENMC_CROSS_SECTIONS=$(pwd)/nndc_hdf5/cross_sections.xml

git clone --branch=master git://github.com/smharper/windowed_multipole_library.git wmp_lib
tar xzvf wmp_lib/multipole_lib.tar.gz
export OPENMC_MULTIPOLE_LIBRARY=$(pwd)/multipole_lib