====== ESMF Ubuntu 18.04 ======

<code>
# installing ESMF on Ubuntu Linux
# pre-req : gfortran, netcdf, openmpi, python3
# first mkdir /opt/esmf/7.1.0r and chown to yourself
# you also need a copy of esmf v7.1.0r
# https://sourceforge.net/code-snapshots/git/e/es/esmf/esmf.git/esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd.zip
# unzip esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd.zip
# mv esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd /opt/esmf-7.1.0r
# Raphael Dussin, July 2016
# Some part modified k2patel, July 2019

PYTHONBIN=/usr/bin/
CUSTOMINSTALLDIR=/opt/esmf-7.1.0r

#------------------ installing the ESMF libraries ---------------
#git archive --remote=git://git.code.sf.net/p/esmf/esmf --format=tar --prefix=esmf/ ESMF_7_1_0_beta_snapshot_06 | tar -xf -
wget https://sourceforge.net/code-snapshots/git/e/es/esmf/esmf.git/esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd.zip
unzip esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd.zip
mv esmf-esmf-e3ac95b2e25a36d6cbfa68ed93eb1645fea29fcd /opt/esmf-7.1.0r
cd /opt/esmf-7.1.0r

export ESMF_DIR=$( pwd )
export ESMF_INSTALL_PREFIX=$CUSTOMINSTALLDIR
export ESMF_COMM=openmpi
export ESMF_NETCDF=split
export ESMF_NETCDF_INCLUDE=/usr/include
export ESMF_NETCDF_LIBPATH=/usr/lib
export ESMF_NETCDF_LIBS="-lnetcdff -lnetcdf"

make
make install

# At this point you should have ESMF installed
#------------------ installing the python3 wrapper ---------------

cd src/addon/ESMPy
$PYTHONBIN/python setup.py build --ESMFMKFILE=$CUSTOMINSTALLDIR/lib/libO/Linux.gfortran.64.openmpi.default/esmf.mk install
</code>