diff -ruN ecos_web_cvs/ecos/packages/infra/current/ChangeLog ecos/ecos/packages/infra/current/ChangeLog
--- ecos_web_cvs/ecos/packages/infra/current/ChangeLog	2009-02-14 04:15:14.000000000 +0100
+++ ecos/ecos/packages/infra/current/ChangeLog	2009-10-06 10:47:20.906250000 +0200
@@ -1,3 +1,9 @@
+2009-10-06  Uwe Kindler  <uwe_kindler@web.de>
+
+	* include/cyg_type.h: Changed definition of macro
+	CYG_REFERENCE_OBJECT according to proposal of Bart Veer on
+	ecos-discuss mailing list.
+	
 2009-02-14  Jonathan Larmour  <jifl@eCosCentric.com>
 
 	* tests/cxxsupp.cxx (cyg_start): Only test 'new' with ARM tools after
diff -ruN ecos_web_cvs/ecos/packages/infra/current/include/cyg_type.h ecos/ecos/packages/infra/current/include/cyg_type.h
--- ecos_web_cvs/ecos/packages/infra/current/include/cyg_type.h	2009-02-04 17:59:41.000000000 +0100
+++ ecos/ecos/packages/infra/current/include/cyg_type.h	2009-10-06 10:34:50.406250000 +0200
@@ -196,15 +196,16 @@
 CYG_MACRO_END
 
 
-// -------------------------------------------------------------------------
-// Reference a symbol without explicitly making use of it. Ensures that
-// the object containing the symbol will be included when linking.
-
-#define CYG_REFERENCE_OBJECT(__object__)                                 \
-     CYG_MACRO_START                                                     \
-     static void *__cygvar_discard_me__ __attribute__ ((unused)) =       \
-                                                          &(__object__); \
-     CYG_MACRO_END
+//----------------------------------------------------------------------------
+// The unused attribute stops the compiler warning about the variable
+// not being used.
+// The used attribute prevents the compiler from optimizing it away.
+
+#define CYG_REFERENCE_OBJECT(__object__)                            \
+    CYG_MACRO_START                                                 \
+    static const void*  __cygvar_discard_me__                       \
+    __attribute__ ((unused, used)) = (const void*)&(__object__);    \
+    CYG_MACRO_END
 
 // -------------------------------------------------------------------------
 // Define basic types for using integers in memory and structures;