Create generic conda toolchain
# Last check installed clang16/gfortran13/mpich
conda create -n esmf-mpich python=3.11
conda activate esmf-mpich
conda install mamba
mamba install gfortran clangxx
mamba install mpich
mamba install hdf5 netcdf4 netcdf-fortran parallelio
mamba install xerces-c
mamba install moab
mamba install pyyaml
mamba install cmake
# On arm64 only:
#(cd $CONDA_PREFIX/bin; ln -sf clang-16 arm64-apple-darwin20.0.0-clang++ )