brew install open-mpi

brew install lapack
  
#  export LDFLAGS="-L/usr/local/opt/lapack/lib"
#  export CPPFLAGS="-I/usr/local/opt/lapack/include"

export ATS_BASE=/software/ATS-master
export ATS_BUILD_TYPE=Release
export ATS_VERSION=master
export OPENMPI_DIR=/usr/local/Cellar/open-mpi/4.0.5  # works on Mac; soft link will not work

export AMANZI_TPLS_BUILD_DIR=${ATS_BASE}/amanzi_tpls-build-${ATS_VERSION}-${ATS_BUILD_TYPE}
export AMANZI_TPLS_DIR=${ATS_BASE}/amanzi_tpls-install-${ATS_VERSION}-${ATS_BUILD_TYPE}

export AMANZI_SRC_DIR=${ATS_BASE}/repos/amanzi
export AMANZI_BUILD_DIR=${ATS_BASE}/amanzi-build-${ATS_VERSION}-${ATS_BUILD_TYPE}
export AMANZI_DIR=${ATS_BASE}/amanzi-install-${ATS_VERSION}-${ATS_BUILD_TYPE}

export ATS_SRC_DIR=${AMANZI_SRC_DIR}/src/physics/ats
export ATS_DIR=${AMANZI_DIR}

export PATH=${ATS_DIR}/bin:${PATH}
export PATH=${AMANZI_TPLS_DIR}/bin:${PATH}
export PYTHONPATH=${ATS_SRC_DIR}/tools/utils:${PYTHONPATH}
export PYTHONPATH=${AMANZI_TPLS_DIR}/SEACAS/lib:${PYTHONPATH}

git clone -b ecoon/land_cover http://github.com/amanzi/amanzi $AMANZI_SRC_DIR

# optional when the previous clone does not download ats automatically
git clone -b ecoon/land_cover http://github.com/amanzi/ats $ATS_SRC_DIR

vi ${AMANZI_SRC_DIR}/build_ATS_generic.sh

# change the following bootstrap flags and options
${AMANZI_SRC_DIR}/bootstrap.sh \
   ${dbg_option} \
   --with-mpi=${OPENMPI_DIR} \
   --enable-shared \
   --disable-clm \ 
   --disable-geochemistry \  # added to save some time
   --disable-structured  --enable-unstructured \
   --disable-stk_mesh --enable-mstk_mesh \
   --enable-hypre \
   --enable-silo \
   --disable-petsc \
   --disable-amanzi_physics \
   --enable-ats_physics \
   --disable-ats_dev \
   --disable-geochemistry \
   --amanzi-install-prefix=${AMANZI_DIR} \
   --amanzi-build-dir=${AMANZI_BUILD_DIR} \
   --tpl-install-prefix=${AMANZI_TPLS_DIR} \
   --tpl-build-dir=${AMANZI_TPLS_BUILD_DIR} \
   --tpl-download-dir=${ATS_BASE}/amanzi-tpls/Downloads \
   --tools-download-dir=${ATS_BASE}/amanzi-tpls/Downloads \
   --tools-build-dir=${ATS_BASE}/build \
   --tools-install-prefix=${ATS_BASE}/install \
   --with-cmake=`which cmake` \
   --with-ctest=`which ctest` \
   --branch_ats=${ATS_VERSION} \
   --parallel=4 \
   --with-fort-flags="-fallow-argument-mismatch"  # added because of compatability issue between gfortran 10.x and latest ATS 1.0. This may change in the future.

sh ${AMANZI_SRC_DIR}/build_ATS_generic.sh

cd $ATS_BASE
mkdir testing
cd testing
git clone -b master http://github.com/amanzi/ats-demos

export PATH="path/to/ats:$PATH"

cd ats-demos
cd 01_richards_steadystate
# serial
ats --xml_file=richards_steadystate.xml &> out.log

# parallel
mpirun -n 4 ats --xml_file=richards_steadystate.xml &> out.log