diff -Naur ilmbase-1.0.2/Imath/ImathMatrix.h ilmbase-1.0.2-magellan/Imath/ImathMatrix.h
--- ilmbase-1.0.2/Imath/ImathMatrix.h	2010-07-17 00:48:40.000000000 +0200
+++ ilmbase-1.0.2-magellan/Imath/ImathMatrix.h	2010-09-22 21:54:01.000000000 +0200
@@ -51,6 +51,7 @@
 
 #include <iostream>
 #include <iomanip>
+#include <cstring>
 
 #if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
 // suppress exception specification warnings