--- OpenSP-1.5/include/RangeMap.cxx.bak	2005-04-04 00:48:21.000000000 -0700
+++ OpenSP-1.5/include/RangeMap.cxx	2005-04-04 00:49:13.000000000 -0700
@@ -7,6 +7,7 @@
 #include "RangeMap.h"
 #include "ISet.h"
 #include "types.h"
+#include "constant.h"
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {