...
To build everything (with Fortran HLI, but try to be reasonable with the number of parallel threads 
, and do understand that the fortran HLI might be not fully working as I have a few commits to be pushed and DD is being updated/fixed, even if I usually don't ):
make -j16 install
Through the installer
...
export IMAS_HOME=/home/ITER/hoeneno/test-install
export IMAS_VERSION=improvement/new_low_level_rebased_3.1618.0_structure_gen
export UAL_VERSION=improvement/new_low_level
export IMAS_CPP=no
export IMAS_PYTHON=no
export IMAS_JAVA=no
export IMAS_MATLAB=no
export G95=no
export IFORT=no
export PYTHON=no
export PYTHON2=no
export PYTHON3=no
export JAVA=no
...