Index: /issm/trunk-jpl/etc/environment.sh
===================================================================
--- /issm/trunk-jpl/etc/environment.sh	(revision 16796)
+++ /issm/trunk-jpl/etc/environment.sh	(revision 16797)
@@ -116,5 +116,6 @@
 
 PROJ4_DIR="$ISSM_DIR/externalpackages/proj.4/install"
-libpathappend "$PROJ4_DIR/lib"
+dylibpathprepend "$PROJ4_DIR/lib"
+libpathprepend "$PROJ4_DIR/lib"
 
 MERCURIAL_DIR="$ISSM_DIR/externalpackages/mercurial/install"
@@ -290,2 +291,6 @@
 #SHELL2JUNIT
 pathappend   "$ISSM_DIR/externalpackages/shell2junit/install"
+
+#EXPAT
+libpathprepend   "$ISSM_DIR/externalpackages/expat/install"
+dylibpathprepend   "$ISSM_DIR/externalpackages/expat/install"