Index: /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp	(revision 26055)
+++ /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp	(revision 26056)
@@ -6179,5 +6179,9 @@
 
 		/*for this Tria, compute contribution to rebound at vertex i: */
+		#ifdef _HAVE_GIA_
 		GiaDeflectionCorex(&wi,&dwidt,&arguments);
+		#else
+		_error_("ISSM compiled without GIA capabilities");
+		#endif
 
 		/*plug value into solution vector: */