Minor clean up of the Mass Storage bootloader.

Bootloaders/MassStorage/BootloaderAPI.h

@@ -43,6 +43,13 @@
 
 		#include <LUFA/Common/Common.h>
 
+	/* Macros: */
+		#if AUX_BOOT_SECTION_SIZE > 0
+			#define AUX_BOOT_SECTION       __attribute__((section(".boot_aux")))
+		#else
+			#define AUX_BOOT_SECTION
+		#endif
+
 	/* Function Prototypes: */
 		void    BootloaderAPI_ErasePage(const uint32_t Address);
 		void    BootloaderAPI_WritePage(const uint32_t Address);

Bootloaders/MassStorage/Descriptors.h

@@ -41,6 +41,8 @@
 
 		#include <LUFA/Drivers/USB/USB.h>
 
+		#include "BootloaderAPI.h"
+
 	/* Macros: */
 		/** Endpoint address of the Mass Storage device-to-host data IN endpoint. */
 		#define MASS_STORAGE_IN_EPADDR         (ENDPOINT_DIR_IN  | 3)

Bootloaders/MassStorage/makefile

@@ -46,11 +46,11 @@ BOOT_API_LD_FLAGS    += $(call BOOT_SECTION_LD_FLAG, .apitable_signatures,  Boot
 # bootloader code. This is required for 32KB and smaller devices, where the actual bootloader is 6KB but the maximum
 # bootloader section size is 4KB. The actual usable application space will be reduced by 6KB for these devices.
 ifeq ($(BOOT_SECTION_SIZE_KB),8)
-  CC_FLAGS           += -DAUX_BOOT_SECTION='' -DAUX_BOOT_SECTION_SIZE=0
+  CC_FLAGS           += -DAUX_BOOT_SECTION_SIZE=0
 else
   AUX_BOOT_SECTION_SIZE_KB = (6 - $(BOOT_SECTION_SIZE_KB))
 
-  CC_FLAGS           += -DAUX_BOOT_SECTION='__attribute__((section(".boot_aux")))' -DAUX_BOOT_SECTION_SIZE='($(AUX_BOOT_SECTION_SIZE_KB) * 1024)'
+  CC_FLAGS           += -DAUX_BOOT_SECTION_SIZE='($(AUX_BOOT_SECTION_SIZE_KB) * 1024)'
   LD_FLAGS           += -Wl,--section-start=.boot_aux=$(call BOOT_SEC_OFFSET, (($(BOOT_SECTION_SIZE_KB) + $(AUX_BOOT_SECTION_SIZE_KB)) * 1024 - 16))
   LD_FLAGS           += $(call BOOT_SECTION_LD_FLAG, .boot_aux_trampoline, Boot_AUX_Trampoline, ($(BOOT_SECTION_SIZE_KB) + $(AUX_BOOT_SECTION_SIZE_KB)) * 1024)
 endif