From 9f2f2f0875c9bb7b3354bfe54365770e9e8f0ad7 Mon Sep 17 00:00:00 2001
From: tanek liang <tanekliang@gmail.com>
Date: Fri, 25 Aug 2017 22:22:35 +0800
Subject: [PATCH] Add RT_USED definition for IAR

---
 include/rtdef.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rtdef.h b/include/rtdef.h
index 77c302dffa..9c6cd8207f 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -110,7 +110,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #include <stdarg.h>
     #define SECTION(x)                  @ x
     #define RT_UNUSED
-    #define RT_USED
+    #define RT_USED                     __root
     #define PRAGMA(x)                   _Pragma(#x)
     #define ALIGN(n)                    PRAGMA(data_alignment=n)
     #define WEAK                        __weak