--- utils/hashMap.hpp.old
+++ utils/hashMap.hpp
@@ -14,7 +14,7 @@
 //
 #if defined( __GNUC__ )
 
-#  if (__GNUC__ == 3)
+#  if (__GNUC__ >= 3)
 #    include <ext/hash_map>
 
 #    if (__GNUC_MINOR__ == 0)