Index: /issm/trunk-jpl/etc/environment.sh
===================================================================
--- /issm/trunk-jpl/etc/environment.sh	(revision 16444)
+++ /issm/trunk-jpl/etc/environment.sh	(revision 16445)
@@ -76,4 +76,6 @@
 	libpathappend "$MPI_DIR/lib"
 fi
+
+export MPI_INC_DIR="$MPI_DIR/include"
 
 PETSC_DIR="$ISSM_DIR/externalpackages/petsc/install"