Index: /issm/trunk-jpl/externalpackages/petsc/install-3.11-linux64.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.11-linux64.sh	(revision 23821)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.11-linux64.sh	(revision 23821)
@@ -0,0 +1,36 @@
+#!/bin/bash
+set -eu
+
+#Some cleanup
+rm -rf install petsc-3.11.0 src
+mkdir install src
+
+#Download from ISSM server
+$ISSM_DIR/scripts/DownloadExternalPackage.sh 'http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-lite-3.11.0.tar.gz' 'petsc-3.11.0.tar.gz'
+
+#Untar and move petsc to install directory
+tar -zxvf  petsc-3.11.0.tar.gz
+mv petsc-3.11.0/* src/
+rm -rf petsc-3.11.0
+
+#configure
+cd src
+./config/configure.py \
+	--prefix="$ISSM_DIR/externalpackages/petsc/install" \
+	--with-mpi-dir="$ISSM_DIR/externalpackages/mpich/install" \
+	--PETSC_DIR="$ISSM_DIR/externalpackages/petsc/src" \
+	--with-debugging=1 \
+	--with-valgrind=0 \
+	--with-x=0 \
+	--with-ssl=0 \
+	--with-shared-libraries=1 \
+	--download-metis=1 \
+	--download-parmetis=1 \
+	--download-mumps=1 \
+	--download-scalapack=1 \
+	--download-fblaslapack=1 \
+	--with-pic=1
+
+#Compile and intall
+make
+make install