diff -urN ddt-0.5.9.org/framework/ddtdb/DbPsql.h ddt-0.5.9/framework/ddtdb/DbPsql.h
--- ddt-0.5.9.org/framework/ddtdb/DbPsql.h	Tue May  6 13:10:39 2003
+++ ddt-0.5.9/framework/ddtdb/DbPsql.h	Wed May  7 07:49:16 2003
@@ -17,6 +17,7 @@
 #define DBPSQL_H
 
 using namespace std;
+#include <postgres.h>
 #include <libpq++.h>
 
 #include "Db.h"