Index: /issm/trunk-jpl/externalpackages/gmp/install-linux64.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gmp/install-linux64.sh	(revision 13773)
+++ /issm/trunk-jpl/externalpackages/gmp/install-linux64.sh	(revision 13773)
@@ -0,0 +1,29 @@
+#!/bin/bash
+set -eu
+
+#Some cleanup
+rm -rf src install gmp-5.0.5 
+mkdir install src
+
+#Download from ISSM server
+$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/gmp-5.0.5.tar.bz2' 'gmp-5.0.5.tar.bz2'
+
+#Untar 
+bunzip2 gmp-5.0.5.tar.bz2
+tar -xvf  gmp-5.0.5.tar
+
+#Move gmp into install directory
+mv gmp-5.0.5/* src
+rm -rf gmp-5.0.5
+
+#install
+cd src 
+./configure --prefix="$ISSM_DIR/externalpackages/gmp/install" 
+
+#Compile and install gmp
+if [ $# -eq 0 ]; then
+	make
+else
+	make -j $1
+fi
+make install