diff --git a/testsuites/libtests/ChangeLog b/testsuites/libtests/ChangeLog
index 910ca72597..0f57909916 100644
--- a/testsuites/libtests/ChangeLog
+++ b/testsuites/libtests/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-20	Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* rtems++/Init.cc, rtems++/Task1.cc, rtems++/Task2.cc,
+	rtems++/Task3.cc: Added HAVE_CONFIG_H.
+
 2011-05-06	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* malloc04/init.c: Fix tests broken in warning pass.
diff --git a/testsuites/libtests/rtems++/Init.cc b/testsuites/libtests/rtems++/Init.cc
index e939b22c2e..affb99e763 100644
--- a/testsuites/libtests/rtems++/Init.cc
+++ b/testsuites/libtests/rtems++/Init.cc
@@ -21,6 +21,10 @@
  *  $Id$
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define CONFIGURE_INIT
 #include "System.h"
 
diff --git a/testsuites/libtests/rtems++/Task1.cc b/testsuites/libtests/rtems++/Task1.cc
index 880b23590f..3ab355ef3e 100644
--- a/testsuites/libtests/rtems++/Task1.cc
+++ b/testsuites/libtests/rtems++/Task1.cc
@@ -22,6 +22,10 @@
  *  $Id$
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include "System.h"
diff --git a/testsuites/libtests/rtems++/Task2.cc b/testsuites/libtests/rtems++/Task2.cc
index 56a7348c7f..50cab64252 100644
--- a/testsuites/libtests/rtems++/Task2.cc
+++ b/testsuites/libtests/rtems++/Task2.cc
@@ -18,6 +18,10 @@
  *  $Id$
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "System.h"
 
 Task2::Task2(const char* name,
diff --git a/testsuites/libtests/rtems++/Task3.cc b/testsuites/libtests/rtems++/Task3.cc
index 4fb46ef54f..31fdf3ee36 100644
--- a/testsuites/libtests/rtems++/Task3.cc
+++ b/testsuites/libtests/rtems++/Task3.cc
@@ -18,6 +18,10 @@
  *  $Id$
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "System.h"
 
 Task3::Task3(const char* name,