--- gcc/config/avr/avr.h.orig	2006-04-13 15:31:19.000000000 +0200
+++ gcc/config/avr/avr.h	2006-04-13 16:23:16.000000000 +0200
@@ -892,3 +892,7 @@
 #define ZERO_REGNO 1
 
+#define DWARF2_DEBUGGING_INFO 1
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* Offset from the frame pointer register value to the top of the stack.  */
+#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0