--- gcc-4.5.4.org/gcc/config/rs6000/linux-unwind.h	2012-11-22 20:11:07.264000002 +0100
+++ gcc-4.5.4/gcc/config/rs6000/linux-unwind.h	2012-11-22 20:16:39.769000002 +0100
@@ -175,6 +175,8 @@
 }
 #endif
 
+#ifdef __GLIBC__
+
 /* Find an entry in the process auxiliary vector.  The canonical way to
    test for VMX is to look at AT_HWCAP.  */
 
@@ -207,6 +209,8 @@
   return 0;
 }
 
+#endif
+
 /* Do code reading to identify a signal frame, and set the frame
    state data appropriately.  See unwind-dw2.c for the structs.  */
 
@@ -252,7 +256,11 @@
 
   if (hwcap == 0)
     {
+#ifdef __GLIBC__
       hwcap = ppc_linux_aux_vector (16);
+#else
+      hwcap = -1;
+#endif
       /* These will already be set if we found AT_HWCAP.  A nonzero
 	 value stops us looking again if for some reason we couldn't
 	 find AT_HWCAP.  */