From 2966ae2022c51449c02fe76eaf2a470c003d26af Mon Sep 17 00:00:00 2001
From: Chris Roadfeldt <chris@roadfeldt.com>
Date: Wed, 1 Apr 2015 13:32:25 -0500
Subject: [PATCH] Fix Z_PROBE_PING not declared, allows code to compile if
 Z_PROBE_ENDSTOP is not used.

---
 Marlin/pins.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/pins.h b/Marlin/pins.h
index 6db56e9f4..0d6329886 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -187,7 +187,7 @@
   #define Z_MIN_PIN          -1
 #endif
 
-#ifdef DISABLE_Z_PROBE_ENDSTOP
+#if defined (DISABLE_Z_PROBE_ENDSTOP) || ! defined (Z_PROBE_ENDSTOP) // Allow code to compile regardless of Z_PROBE_ENDSTOP setting.
   #define Z_PROBE_PIN        -1
 #endif