X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b9b03aadb219d06fbad9d110e508db93e45461af..a459f10b0c1a3e02f160ff3a1a2a0b45ae5b69a7:/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h

diff --git a/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h b/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
index 9e372e35b..f78f395a3 100644
--- a/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
+++ b/Demos/Device/ClassDriver/USBtoSerial/Descriptors.h
@@ -40,7 +40,11 @@
 		#include <avr/pgmspace.h>
 
 		#include <LUFA/Drivers/USB/USB.h>
-		#include <LUFA/Drivers/USB/Class/Device/CDC.h>
+		#include <LUFA/Drivers/USB/Class/CDC.h>
+
+		#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)
+			#warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.
+		#endif
 
 	/* Macros: */
 		/** Endpoint number of the CDC device-to-host notification IN endpoint. */