Installing the Intel Fortran compiler ===================================== ---- Introduction ------------ These instructions are valid for all systems which use a Linux-style interface. Install the compiler -------------------- Download and install the Intel Fortran compiler as described `here `_). Add the newly-installed compiler to your command path as follows: If you use ``sh``, ``bash``, ``zsh``, or a compatible shell: .. code-block:: shell export PATH=/opt/intel/oneapi/compiler/latest/mac/bin/intel64:${PATH} **Note**: Your installation location may differ from the default location shown above. If so, adjust the ``PATH`` setting appropriately. **Note**: If using MacOS Big Sur or later, you may need to install ``xcode`` (in its entirety, not just the command-line tools). The ``xcode`` package is available in the MacOS App Store.