From 92117da3a83aed926f7fb44d18cf235dbaf60b53 Mon Sep 17 00:00:00 2001
From: Christian Rauch <Rauch.Christian@gmx.de>
Date: Tue, 4 Dec 2018 02:22:19 +0000
Subject: [PATCH] check CONFIG_ARCH_MATH_H

---
 src/platforms/px4_defines.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/platforms/px4_defines.h b/src/platforms/px4_defines.h
index 711e1cc82e..bde247ee9e 100644
--- a/src/platforms/px4_defines.h
+++ b/src/platforms/px4_defines.h
@@ -41,6 +41,10 @@
 
 #include <px4_log.h>
 
+#if defined(__PX4_NUTTX) && !defined(CONFIG_ARCH_MATH_H)
+#error CONFIG_ARCH_MATH_H is required to use math definitions and functions
+#endif
+
 /****************************************************************************
  * Defines for all platforms.
  ****************************************************************************/
-- 
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