Updrade to OpenMPI3 to fix diagnostics error

See geoschem/GCHP#10 (comment)

scripts/build_environment/GCHP/openmpi/install_libraries.sh

@@ -6,10 +6,9 @@
 # =========================
 sudo apt-get update
 
-# All libraries need for GCHP. f2py and mpich are new libraries in addition to GC-classic.
 sudo apt-get install -y bc gcc gfortran \
     libnetcdf-dev libnetcdff-dev netcdf-bin \
-    python-numpy libopenmpi-dev
+    python-numpy
 
 # Ubuntu AMI has vim and nano but no emacs
 sudo apt-get install -y emacs
@@ -21,6 +20,25 @@ sudo apt-get install -y awscli
 sudo apt-get clean
 sudo rm -rf /var/lib/apt/lists/*
 
+# =========================
+# OpenMPI 3
+# =========================
+# https://www.open-mpi.org/software/ompi/v3.1/
+wget https://download.open-mpi.org/release/open-mpi/v3.1/openmpi-3.1.3.tar.gz
+tar zxf openmpi-3.1.3.tar.gz
+cd openmpi-3.1.3
+./configure prefix=/usr/local/
+make -j4
+sudo make install
+
+# Fix library linking
+# https://askubuntu.com/a/1100000
+sudo ldconfig
+
+cd ..
+rm -rf openmpi-3.1.3
+# =========================
+
 # =========================
 # Additional fixes for GCHP
 # =========================