Index: /issm/trunk-jpl/externalpackages/mpich2/install-1.5-walgreen.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/mpich2/install-1.5-walgreen.sh	(revision 13824)
+++ /issm/trunk-jpl/externalpackages/mpich2/install-1.5-walgreen.sh	(revision 13824)
@@ -0,0 +1,34 @@
+#!/bin/bash
+set -eu
+
+#Some cleanup
+rm -rf src install mpich2-1.5
+mkdir src install
+
+#Download from ISSM server
+$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/mpich2-1.5.tar.gz' 'mpich2-1.5.tar.gz'
+
+#Untar 
+tar -zxvf  mpich2-1.5.tar.gz
+
+#Move mpich2 into src directory
+mv mpich2-1.5/* src
+rm -rf mpich2-1.5
+
+#Configure mpich2
+cd src
+./configure \
+	--prefix="$ISSM_DIR/externalpackages/mpich2/install" \
+	--enable-shared \
+	--with-device=ch3:sock\
+	--with-atomic-primitives=no
+
+	#--with-device=ch_p4 \
+
+#Compile mpich2 (this new version supports parallel make)
+if [ $# -eq 0 ]; then
+	make
+else
+	make -j $1
+fi
+make install