--- gcc-3.4.6/gcc/defaults.h	2013-05-19 20:08:05.000000000 +0200
+++ gcc/defaults.h	2013-05-19 20:23:32.000000000 +0200
@@ -280,8 +280,10 @@
 /* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
    the rest of the DWARF 2 frame unwind support is also provided.  */
 #if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
+#if !defined (NO_DWARF2_UNWIND_INFO)
 #define DWARF2_UNWIND_INFO 1
 #endif
+#endif
 
 /* If we have named sections, and we're using crtstuff to run ctors,
    use them for registering eh frame information.  */