Index: /issm/trunk-jpl/src/c/modules/Solverx/SolverxGsl.cpp
===================================================================
--- /issm/trunk-jpl/src/c/modules/Solverx/SolverxGsl.cpp	(revision 12443)
+++ /issm/trunk-jpl/src/c/modules/Solverx/SolverxGsl.cpp	(revision 12444)
@@ -2,4 +2,6 @@
  * \brief Gsl implementation of solver
  */
+
+#include <cstring>
 
 #include "./Solverx.h"