diff -Naur meep-0.10.1/src/update_e_from_d.cpp meep-0.10.1.new/src/update_e_from_d.cpp
--- meep-0.10.1/src/update_e_from_d.cpp	2007-11-13 15:13:20.000000000 -0500
+++ meep-0.10.1.new/src/update_e_from_d.cpp	2008-06-27 11:22:21.000000000 -0400
@@ -15,6 +15,7 @@
 %  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
+#include <cstring>
 #include "meep.hpp"
 #include "meep_internals.hpp"