Index: /issm/trunk-jpl/externalpackages/autotools/install-win.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/autotools/install-win.sh	(revision 22023)
+++ /issm/trunk-jpl/externalpackages/autotools/install-win.sh	(revision 22024)
@@ -6,4 +6,16 @@
 
 export PATH="$ISSM_DIR/externalpackages/autotools/install/bin:$PATH"
+
+#install m4
+echo " === INSTALLING M4 =="
+rm -rf src
+$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/m4-1.4.17.tar.gz' 'm4-1.4.17.tar.gz'
+tar -zxvf m4-1.4.17.tar.gz
+mv m4-1.4.17 src
+cd src
+./configure --prefix="$ISSM_DIR/externalpackages/autotools/install"
+make
+make install
+cd ..
 
 #install autoconf