Index: /issm/trunk-jpl/externalpackages/petsc/install-3.7-discover.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.7-discover.sh	(revision 25894)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.7-discover.sh	(revision 25894)
@@ -0,0 +1,62 @@
+#!/bin/bash
+set -eu
+
+#Some cleanup
+rm -rf install petsc-3.7.6 src
+mkdir install src
+
+#Download from ISSM server
+$ISSM_DIR/scripts/DownloadExternalPackage.sh 'https://issm.ess.uci.edu/files/externalpackages/petsc-lite-3.7.6.tar.gz' 'petsc-3.7.6.tar.gz'
+
+#Untar and move petsc to install directory
+tar -zxvf  petsc-3.7.6.tar.gz
+mv petsc-3.7.6/* src/
+rm -rf petsc-3.7.6
+
+#configure
+cd src
+./config/configure.py \
+	--prefix="$ISSM_DIR/externalpackages/petsc/install" \
+	--PETSC_DIR="$ISSM_DIR/externalpackages/petsc/src" \
+	--with-blas-lapack-dir="/usr/local/intel/2020/compilers_and_libraries_2020.0.166/linux/mkl/" \
+	--with-mpi-lib="/usr/local/sgi/mpi/mpt-2.17/lib/libmpi.so" \
+	--with-mpi-include="/usr/local/sgi/mpi/mpt-2.17/include/" \
+	--known-mpi-shared-libraries=1 \
+	--with-debugging=0 \
+	--with-valgrind=0 \
+	--with-x=0 \
+	--with-ssl=0 \
+	--with-batch=1  \
+	--with-shared-libraries=1 \
+	--download-metis=1 \
+	--download-parmetis=1 \
+	--download-mumps=1 \
+	--download-scalapack=1 
+
+#prepare script to reconfigure petsc
+cat > script.queue << EOF
+#!/bin/bash
+#SBATCH -J petscinstall # Job Name
+#SBATCH -N 1
+#SBATCH -n 1
+#SBATCH -A s1690
+#SBATCH -t 00:01:00 # Run time (hh:mm:ss) - 1.5 hours
+#SBATCH --qos=debug
+#SBATCH -o petscinstall.outlog
+#SBATCH -e petscinstall.errlog
+
+. /usr/share/modules/init/bash
+module purge
+module load comp/intel/20.0.0.166
+module load mpi/sgi-mpt/2.17
+module load cmake/3.17.0
+
+export PATH="$PATH:."
+export MPI_GROUP_MAX=64
+mpiexec -np 1 ./conftest-arch-linux2-c-opt
+EOF
+
+#print instructions
+echo "== Now: cd src/ "
+echo "== sbatch script.queue "
+echo "== Then run reconfigure script generated by PETSc and follow instructions"