Index: /issm/trunk-jpl/src/c/modules/Krigingx/Krigingx.cpp
===================================================================
--- /issm/trunk-jpl/src/c/modules/Krigingx/Krigingx.cpp	(revision 12203)
+++ /issm/trunk-jpl/src/c/modules/Krigingx/Krigingx.cpp	(revision 12204)
@@ -9,5 +9,8 @@
 #include "../../objects/objects.h"
 #include "../modules.h"
+
+#ifdef _HAVE_GSL_
 #include <gsl/gsl_linalg.h>
+#endif
 
 #include "../../objects/Kriging/GaussianVariogram.h"