diff -r 70aa52d30f13 -r daddd623ac9a lemon/time_measure.h
--- a/lemon/time_measure.h	Tue Feb 10 15:43:39 2009 +0100
+++ b/lemon/time_measure.h	Tue Feb 10 17:21:26 2009 +0000
@@ -24,8 +24,12 @@
 ///\brief Tools for measuring cpu usage
 
 #ifdef WIN32
+#ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
+#endif
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 #include <windows.h>
 #include <cmath>
 #else