Index: /issm/trunk-jpl/externalpackages/petsc/install-3.1-win7-parallel.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.1-win7-parallel.sh	(revision 15118)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.1-win7-parallel.sh	(revision 15118)
@@ -0,0 +1,35 @@
+#!/bin/bash
+set -eu
+
+#Some cleanup
+rm -rf install petsc-3.1-p7 src
+mkdir install src
+
+#Download from ISSM server
+$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/petsc-3.1-p7.tar.gz' 'petsc-3.1-p7.tar.gz'
+
+#Untar and move petsc to install directory
+tar -zxvf  petsc-3.1-p7.tar.gz
+mv petsc-3.1-p7/* src/
+rm -rf petsc-3.1-p7
+
+cd src
+./config/configure.py  \
+	--prefix="$ISSM_DIR/externalpackages/petsc/install" \
+	--PETSC_ARCH=cygwin-intel \
+	--PETSC_DIR="$ISSM_DIR/externalpackages/petsc/src" \
+	--with-debugging=0 \
+	--download-c-blas-lapack=yes \
+	--with-cc='win32fe cl' \
+	--with-fc=0 \
+	--with-cxx='win32fe cl' \
+	--with-clanguage=cxx  \
+	--with-mpi-include="/cygdrive/c/MPICH2/include" \
+	--with-mpi-lib="/cygdrive/c/MPICH2/lib/mpi.lib"
+
+
+#Compile petsc and install it
+make
+make install
+
+patch ../install/include/petscfix.h ../configs/3.1/win7/petscfix.h.patch