installing ESMF library version 7.0.0 on OSX el Capitan with macports (gcc4.9, netcdf4, openmpi)

install_esmf7.0.0_osx_macports.bash

#!/bin/bash

# 1. as normal user,extract archive :
#tar -xf esmf_7_0_0_src.tar

# 2. change the file esmf/build_config/Darwin.gfortran.default/build_rules.mk

# OpenMPI --------------------------------------------------
#ifeq ($(shell $(ESMF_DIR)/scripts/available mpifort),mpifort)
#ESMF_F90DEFAULT         = mpifort
#ESMF_CXXLINKLIBS       += -lmpi_mpifh
#else
#ESMF_F90DEFAULT         = mpif90
# this line below is the one we need to change
#ESMF_CXXLINKLIBS       += $(shell mpif90 --showme:linking)

# 3. Run this script with sudo

cd esmf

export ESMF_COMM=openmpi
export ESMF_NETCDF=split
export ESMF_NETCDF_INCLUDE=/opt/local/include
export ESMF_NETCDF_LIBPATH=/opt/local/lib
export ESMF_NETCDF_LIBS=$(nf-config --flibs)
export ESMF_DIR=$( pwd )
export ESMF_INSTALL_PREFIX=/opt/esm-soft/esmf/7.0.0 # or wherever you like

mkdir -p ${ESMF_INSTALL_PREFIX}
make
make install

# this will compile the python wrapper

cd src/addon/ESMPy

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python setup.py build --ESMFMKFILE=${ESMF_INSTALL_PREFIX}/lib/libO/Darwin.gfortran.64.openmpi.default/esmf.mk install