Install dependencies on MacOS

1. Install HomeBrew

2. Install Smilei dependencies:

   brew install python numpy hdf5-mpi
   

3. Install python packages needed for the happi python module:

   pip3 install ipython h5py pint sphinx matplotlib scipy
   

4. Add the following lines to ~/.bash_profile (or ~/.zprofile of you’re using zsh) :

   export OMPI_CXX=g++-14
   export HDF5_ROOT_DIR=$(brew --prefix hdf5-mpi)
   

5. In a new terminal window, you can now compile smilei (see Compile Smilei for other options)