Index: /issm/trunk/aux-config/ar-lib
===================================================================
--- /issm/trunk/aux-config/ar-lib	(revision 22022)
+++ /issm/trunk/aux-config/ar-lib	(revision 22023)
@@ -227,5 +227,5 @@
     $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member
     do
-      $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $?
+      $AR -NOLOGO -EXTRACT:"$(echo $member | tr -d '\r')" "$archive" || exit $?
     done
   fi
Index: /issm/trunk/externalpackages/autotools/install-win.sh
===================================================================
--- /issm/trunk/externalpackages/autotools/install-win.sh	(revision 22022)
+++ /issm/trunk/externalpackages/autotools/install-win.sh	(revision 22023)
@@ -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