--- gnome-screensaver-2.28.0/src/gs-debug.h.orig	2010-01-04 13:55:30.357437050 +0800
+++ gnome-screensaver-2.28.0/src/gs-debug.h	2010-01-04 13:55:58.245752863 +0800
@@ -28,13 +28,7 @@
 
 G_BEGIN_DECLS
 
-#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-#define gs_debug(...) gs_debug_real (__func__, __FILE__, __LINE__, __VA_ARGS__)
-#elif defined(__GNUC__) && __GNUC__ >= 3
-#define gs_debug(...) gs_debug_real (__FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
-#else
-#define gs_debug(...)
-#endif
+#define gs_debug(...) gs_debug_real (G_STRFUNC, __FILE__, __LINE__, __VA_ARGS__)
 
 void gs_debug_init             (gboolean debug,
                                 gboolean to_file);