xmega compiling (not flashing yet)

tmk_core/protocol/lufa/lufa.c

@@ -1082,6 +1082,7 @@ void virtser_send(const uint8_t byte)
  ******************************************************************************/
 static void setup_mcu(void)
 {
+  #ifndef __AVR_XMEGA__
     /* Disable watchdog if enabled by bootloader/fuses */
     MCUSR &= ~(1 << WDRF);
     wdt_disable();
@@ -1091,6 +1092,7 @@ static void setup_mcu(void)
 
     CLKPR = (1 << CLKPCE);
     CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0);
+  #endif
 }
 
 static void setup_usb(void)

tmk_core/protocol/lufa/lufa.h

@@ -61,6 +61,11 @@ extern host_driver_t lufa_driver;
 }
 #endif
 
+#ifdef __AVR_XMEGA__
+    #define MCUSR RST_STATUS
+    #define WDRF RST_WDRF_bp
+#endif
+
 /* extra report structure */
 typedef struct {
     uint8_t  report_id;