Support patch for a normally generated file so users can 
run the configure step as normal.
===========================================================
--- bfd/bfd-in2.h~      2007-08-06 21:59:15.000000000 +0200
+++ bfd/bfd-in2.h       2008-07-22 17:55:46.000000000 +0200
@@ -2017,6 +2017,13 @@
 #define bfd_mach_avr4          4
 #define bfd_mach_avr5          5
 #define bfd_mach_avr6          6
+#define bfd_mach_avrxmega1 101
+#define bfd_mach_avrxmega2 102
+#define bfd_mach_avrxmega3 103
+#define bfd_mach_avrxmega4 104
+#define bfd_mach_avrxmega5 105
+#define bfd_mach_avrxmega6 106
+#define bfd_mach_avrxmega7 107
   bfd_arch_bfin,        /* ADI Blackfin */
 #define bfd_mach_bfin          1
   bfd_arch_cr16,       /* National Semiconductor CompactRISC (ie CR16). */
