From 0b45493557863f6a78738d91a13630c51b3f9628 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sun, 9 Feb 2020 21:58:12 -0600
Subject: [PATCH] Add a caution to drivers.h

---
 Marlin/src/core/drivers.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/core/drivers.h b/Marlin/src/core/drivers.h
index f0338b535d..ad2c755bae 100644
--- a/Marlin/src/core/drivers.h
+++ b/Marlin/src/core/drivers.h
@@ -21,7 +21,10 @@
  */
 #pragma once
 
-#include "../inc/MarlinConfigPre.h"
+//
+// Included by MarlinConfigPre.h ahead of Configuration_adv.h.
+// Don't use #if in this file for anything not defined early!
+//
 
 #define _A4988              0x4988
 #define _A5984              0x5984
-- 
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