From 61af508755c59d177c4e61a35cbfa270b06d9684 Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Mon, 19 Mar 2018 02:19:34 -0400
Subject: [PATCH] helper_functions include required px4_defines header

---
 matrix/helper_functions.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/matrix/helper_functions.hpp b/matrix/helper_functions.hpp
index e8cc0dcb80..dffd9e0020 100644
--- a/matrix/helper_functions.hpp
+++ b/matrix/helper_functions.hpp
@@ -2,6 +2,10 @@
 
 #include "math.hpp"
 
+#if defined (__PX4_NUTTX) || defined (__PX4_QURT)
+#include <px4_defines.h>
+#endif
+
 namespace matrix
 {