X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/64e5c4084f862267d96b0947f462de7058f3dc4c..34dc7f241fe0627e21c3a218123d5d9fbc97374c:/LUFA/Drivers/USB/Class/MassStorage.h

diff --git a/LUFA/Drivers/USB/Class/MassStorage.h b/LUFA/Drivers/USB/Class/MassStorage.h
index d2ad7dc09..962b4d62b 100644
--- a/LUFA/Drivers/USB/Class/MassStorage.h
+++ b/LUFA/Drivers/USB/Class/MassStorage.h
@@ -53,6 +53,10 @@
 	/* Includes: */
 		#include "../HighLevel/USBMode.h"
 
+		#if defined(NO_STREAM_CALLBACKS)
+			#error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers.
+		#endif
+
 		#if defined(USB_CAN_BE_DEVICE)
 			#include "Device/MassStorage.h"
 		#endif