Index: /issm/trunk-jpl/etc/environment.sh
===================================================================
--- /issm/trunk-jpl/etc/environment.sh	(revision 15230)
+++ /issm/trunk-jpl/etc/environment.sh	(revision 15231)
@@ -65,4 +65,5 @@
 libpathappend "$MATLAB_DIR/lib"
 
+#legacy mpich2 (To be removed)
 MPI_DIR="$ISSM_DIR/externalpackages/mpich2/install"
 if [ -d "$MPI_DIR" ]; then
@@ -114,4 +115,7 @@
 pathprepend "$GDAL_DIR/bin"
 libpathappend "$GDAL_DIR/lib"
+
+PROJ4_DIR="$ISSM_DIR/externalpackages/proj.4/install"
+libpathappend "$PROJ4_DIR/lib"
 
 MERCURIAL_DIR="$ISSM_DIR/externalpackages/mercurial/install"