Index: /issm/trunk-jpl/externalpackages/petsc/install-3.7-linux.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.7-linux.sh	(revision 24420)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.7-linux.sh	(revision 24420)
@@ -0,0 +1,51 @@
+#!/bin/bash
+set -eu
+
+
+## Constants
+#
+VER="3.7.6"
+
+# Download source
+$ISSM_DIR/scripts/DownloadExternalPackage.sh "https://issm.ess.uci.edu/files/externalpackages/petsc-lite-${VER}.tar.gz" "petsc-${VER}.tar.gz"
+
+# Unpack source
+tar -zxvf  petsc-$VER.tar.gz
+
+# Cleanup
+rm -rf install src
+mkdir install src
+
+# Move source to 'src' directory
+mv petsc-$VER/* src/
+rm -rf petsc-$VER
+
+# Configure
+cd src
+./config/configure.py \
+	--prefix="${ISSM_DIR}/externalpackages/petsc/install" \
+	--PETSC_DIR="${ISSM_DIR}/externalpackages/petsc/src" \
+	--with-mpi-dir="${ISSM_DIR}/externalpackages/mpich/install" \
+	--with-blas-lib="-L${ISSM_DIR}/externalpackages/lapack/install/lib -lblas" \
+	--with-lapack-lib="-L${ISSM_DIR}/externalpackages/lapack/install/lib -llapack" \
+	--with-debugging=0 \
+	--with-valgrind=0 \
+	--with-x=0 \
+	--with-ssl=0 \
+	--with-shared-libraries=1 \
+	--download-metis=1 \
+	--download-parmetis=1 \
+	--download-scalapack=1 \
+	--download-mumps=1
+
+# Compile and install
+if [ $# -eq 0 ]; then
+	make
+	make install
+else
+	make -j $1
+	make -j $1 install
+fi
+
+# Return to initial directory
+cd ..
Index: /issm/trunk-jpl/jenkins/ross-debian_linux
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux	(revision 24419)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux	(revision 24420)
@@ -45,5 +45,5 @@
 	mpich		install-3.3.sh
 	lapack		install-3.8-linux.sh
-	petsc		install-3.11-linux.sh
+	petsc		install-3.7-linux.sh
 	triangle	install-linux64.sh
 	chaco		install.sh
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampioff
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampioff	(revision 24419)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampioff	(revision 24420)
@@ -52,5 +52,5 @@
 	mpich		install-3.3.sh
 	lapack		install-3.8-linux.sh
-	petsc		install-3.11-linux.sh
+	petsc		install-3.7-linux.sh
 	triangle	install-linux64.sh
 	gsl			install-linux64.sh
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampion
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampion	(revision 24419)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-adolc-ampion	(revision 24420)
@@ -53,5 +53,5 @@
 	mpich			install-3.3.sh
 	lapack			install-3.8-linux.sh
-	petsc			install-3.11-linux.sh
+	petsc			install-3.7-linux.sh
 	triangle		install-linux64.sh
 	gsl				install-linux64.sh
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-python
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-python	(revision 24419)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-python	(revision 24420)
@@ -47,5 +47,5 @@
 	mpich		install-3.3.sh
 	lapack		install-3.8-linux.sh
-	petsc		install-3.11-linux.sh
+	petsc		install-3.7-linux.sh
 	triangle	install-linux64.sh
 	chaco		install.sh