diff -urN ../tmp-orig/opensp-1.5.1.0/include/RangeMap.cxx ./include/RangeMap.cxx
--- ../tmp-orig/opensp-1.5.1.0/include/RangeMap.cxx        2000-02-25 17:55:21.000000000 +0100
+++ ./include/RangeMap.cxx      2004-07-22 11:08:13.556726757 +0200
@@ -7,6 +7,7 @@
 #include "RangeMap.h"
 #include "ISet.h"
 #include "types.h"
+#include "constant.h"

 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {