From caa2b25b407985686c419be1fd7fb75ff0eb9ee0 Mon Sep 17 00:00:00 2001
From: Daid <daid303@gmail.com>
Date: Sun, 11 Nov 2012 11:17:54 +0100
Subject: [PATCH] Fix Gen7 compile if you have avr-libc version 1.7.1 or
higher. See http://code.google.com/p/arduino/issues/detail?id=604
---
Marlin/Gen7/cores/arduino/wiring.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Marlin/Gen7/cores/arduino/wiring.h b/Marlin/Gen7/cores/arduino/wiring.h
index 6309a364fc..48ff04a752 100644
--- a/Marlin/Gen7/cores/arduino/wiring.h
+++ b/Marlin/Gen7/cores/arduino/wiring.h
@@ -70,7 +70,9 @@ extern "C"{
#define max(a,b) ((a)>(b)?(a):(b))
#define abs(x) ((x)>0?(x):-(x))
#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#if __AVR_LIBC_VERSION__ < 10701UL
#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#endif
#define radians(deg) ((deg)*DEG_TO_RAD)
#define degrees(rad) ((rad)*RAD_TO_DEG)
#define sq(x) ((x)*(x))
--
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