X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/88bcc6fde546f12a31f46b5c8b77631b0c648638..5dba028aa529ef4426f08e5e0e8a1c1e8a49b8a7:/Bootloaders/MassStorage/BootloaderMassStorage.h

diff --git a/Bootloaders/MassStorage/BootloaderMassStorage.h b/Bootloaders/MassStorage/BootloaderMassStorage.h
index 05b0eedfe..34297d4a5 100644
--- a/Bootloaders/MassStorage/BootloaderMassStorage.h
+++ b/Bootloaders/MassStorage/BootloaderMassStorage.h
@@ -50,6 +50,11 @@
 		#include <LUFA/Drivers/Board/LEDs.h>
 		#include <LUFA/Drivers/USB/USB.h>
 
+	/* Preprocessor Checks: */
+		#if !defined(__OPTIMIZE_SIZE__)
+			#error This bootloader requires that it be optimize for size, not speed, to fit into the target device. Change optimization settings and try again.
+		#endif
+
 	/* Macros: */
 		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
 		#define LEDMASK_USB_NOTREADY      LEDS_LED1