diff --git a/include/portable.h.nt b/include/portable.h.nt
index ed185606fc..814c9a44ee 100644
--- a/include/portable.h.nt
+++ b/include/portable.h.nt
@@ -685,10 +685,21 @@ typedef char * caddr_t;
 /* #undef CROSS_COMPILING */
 
 /* begin of postamble */
+
 #ifdef HAVE_STDDEF_H
 #	include <stddef.h>
 #endif
 
+#if defined(LDAP_DEVEL) && !defined(LDAP_TEST)
+#define LDAP_TEST
+#endif
+#if defined(LDAP_TEST) && !defined(LDAP_DEBUG)
+#define LDAP_DEBUG
+#endif
+
 #include "ldap_cdefs.h"
 #include "ldap_features.h"
+
+#include "ac/assert.h"
+
 #endif /* _LDAP_PORTABLE_H */