From 18bcded0f17a538345fcb3bfa4cd8dfc46b5d66f Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Mon, 9 Jul 2018 12:27:43 +0200
Subject: [PATCH] Fix compilation if USBCON is not defined

---
 cores/arduino/USB/USBDesc.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cores/arduino/USB/USBDesc.h b/cores/arduino/USB/USBDesc.h
index 3c35eddc..05f420c9 100644
--- a/cores/arduino/USB/USBDesc.h
+++ b/cores/arduino/USB/USBDesc.h
@@ -19,6 +19,8 @@
 #ifndef __USBDESC_H__
 #define __USBDESC_H__
 
+#ifdef USBCON
+
 // CDC or HID can be enabled together.
 #ifndef CDC_DISABLED
 #define CDC_ENABLED
@@ -35,4 +37,6 @@
 #define IPRODUCT    2
 #define ISERIAL    3
 
+#endif /* USBCON */
+
 #endif /* __USBDESC_H__ */