X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/de0df8b16259458c78c742b5dbedd4ac90856285..06df6a3ea8315dec0cefc81ecec76297b7147782:/Bootloaders/HID/BootloaderHID.h

diff --git a/Bootloaders/HID/BootloaderHID.h b/Bootloaders/HID/BootloaderHID.h
index 306f3efa9..df9e39e37 100644
--- a/Bootloaders/HID/BootloaderHID.h
+++ b/Bootloaders/HID/BootloaderHID.h
@@ -48,18 +48,23 @@
 
 		#include <LUFA/Drivers/USB/USB.h>
 
+	/* Preprocessor Checks: */
+		#if !defined(__OPTIMIZE_SIZE__)
+			#error This bootloader requires that it be optimized for size, not speed, to fit into the target device. Change optimization settings and try again.
+		#endif
+
 	/* Macros: */
 		/** Bootloader special address to start the user application */
 		#define COMMAND_STARTAPPLICATION   0xFFFF
 
 		/** Magic bootloader key to unlock forced application start mode. */
 		#define MAGIC_BOOT_KEY             0xDC42
-		
+
 	/* Function Prototypes: */
 		static void SetupHardware(void);
 
 		void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
-		
+
 		void EVENT_USB_Device_ConfigurationChanged(void);
 		void EVENT_USB_Device_UnhandledControlRequest(void);