From f0fe26c411de5bd49572a013cccacb51a1f3710e Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Wed, 17 May 2017 05:07:35 -0500
Subject: [PATCH] Ensure Arduino.h and configs are included for serial.cpp

---
 Marlin/serial.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Marlin/serial.h b/Marlin/serial.h
index 62e06c98926..b57e7b1b675 100644
--- a/Marlin/serial.h
+++ b/Marlin/serial.h
@@ -23,6 +23,8 @@
 #ifndef __SERIAL_H__
 #define __SERIAL_H__
 
+#include "MarlinConfig.h"
+
 #ifdef USBCON
   #include "HardwareSerial.h"
   #if ENABLED(BLUETOOTH)