--- misc/mdds_0.6.0/include/mdds/segment_tree.hpp
+++ misc/build/mdds_0.6.0/include/mdds/segment_tree.hpp
@@ -285,7 +285,7 @@ public:
         }
     };
 
-#if UNIT_TEST
+#ifdef UNIT_TEST
     struct node_printer : public ::std::unary_function<const node*, void>
     {
         void operator() (const node* p) const
--- misc/mdds_0.6.0/include/mdds/multi_type_vector_def.inl
+++ misc/build/mdds_0.6.0/include/mdds/multi_type_vector_def.inl
@@ -29,7 +29,7 @@
 
 #include <stdexcept>
 
-#if UNIT_TEST
+#ifdef UNIT_TEST
 #include <iostream>
 using std::cout;
 using std::endl;
--- misc/mdds_0.6.0/include/mdds/mixed_type_matrix_flag_storage.hpp
+++ misc/build/mdds_0.6.0/include/mdds/mixed_type_matrix_flag_storage.hpp
@@ -25,7 +25,7 @@
  *
  ************************************************************************/
 
-#if UNIT_TEST
+#ifdef UNIT_TEST
 #include <iostream>
 #endif
 
@@ -74,7 +74,7 @@ public:
             // Flag is stored at this position.  Remove it.
             m_flags.erase(itr);
     }
-#if UNIT_TEST
+#ifdef UNIT_TEST
     void dump() const
     {
         using namespace std;