--- ./Imath/ImathMatrix.h.orig	2010-07-16 17:48:40.000000000 -0500
+++ ./Imath/ImathMatrix.h	2010-08-09 14:12:07.000000000 -0500
@@ -49,6 +49,7 @@
 #include "ImathVec.h"
 #include "ImathShear.h"
 
+#include <cstring>
 #include <iostream>
 #include <iomanip>