X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e40f0eb2897756a7a439c2ad1610554249539697..344cd1a2e82202112e34f840588bc9686d04c29d:/Bootloaders/Printer/BootloaderPrinter.h

diff --git a/Bootloaders/Printer/BootloaderPrinter.h b/Bootloaders/Printer/BootloaderPrinter.h
index 4995cdca9..acd6001ff 100644
--- a/Bootloaders/Printer/BootloaderPrinter.h
+++ b/Bootloaders/Printer/BootloaderPrinter.h
@@ -47,6 +47,11 @@
 		#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 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