X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/de0df8b16259458c78c742b5dbedd4ac90856285..4a7405b2cf8d54cbeb6400010577c36a5fee42b0:/Bootloaders/DFU/BootloaderDFU.h?ds=inline

diff --git a/Bootloaders/DFU/BootloaderDFU.h b/Bootloaders/DFU/BootloaderDFU.h
index 5223e47eb..72bb691d4 100644
--- a/Bootloaders/DFU/BootloaderDFU.h
+++ b/Bootloaders/DFU/BootloaderDFU.h
@@ -54,13 +54,18 @@
 		#include <LUFA/Drivers/USB/USB.h>
 		#include <LUFA/Drivers/Board/LEDs.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: */
 		/** Major bootloader version number. */
 		#define BOOTLOADER_VERSION_MINOR 2
 
 		/** Minor bootloader version number. */
 		#define BOOTLOADER_VERSION_REV   0
-		
+
 		/** Magic bootloader key to unlock forced application start mode. */
 		#define MAGIC_BOOT_KEY            0xDC42
 
@@ -203,7 +208,7 @@
 			static void ProcessWriteCommand(void);
 			static void ProcessReadCommand(void);
 		#endif
-		
+
 		void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
 
 #endif