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Set the following environment before calling make (please adapt IMAS_HOME and SITEHOSTCONFIG to your local need):
export IMAS_HOME=/home/ITER/hoeneno/test-install
export IMAS_VERSION=improvement/new_low_level_rebased_3.18.0_structure_gen
export UAL_VERSION=improvement/develop_new_low_level
export IMAS_MAJOR=3
export SITEHOSTCONFIG=./site-config/Makefile.ITER.HPC.CentOS-5.5
export IMAS_CPP=no
export IMAS_JAVA=no
export IMAS_MATLAB=no
export IMAS_G95=no
export IMAS_IFORT=no
export IMAS_PYTHON=no
export IMAS_PYTHON2=no
export IMAS_PYTHON3=no
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