From eeadfe47059f0ebd374f63443755c23c4df281cf Mon Sep 17 00:00:00 2001
From: Bright Pan <bright_pan@163.com>
Date: Sun, 23 Nov 2014 00:04:58 +0800
Subject: [PATCH] Fix compile warning: variable "c" was declared but never
 referenced, when RT_USING_CONSOLE is disable.

---
 components/libc/armlibc/stubs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/libc/armlibc/stubs.c b/components/libc/armlibc/stubs.c
index ea42777a08..cb651b66fa 100644
--- a/components/libc/armlibc/stubs.c
+++ b/components/libc/armlibc/stubs.c
@@ -224,10 +224,12 @@ char *_sys_command_string(char *cmd, int len)
 /* This function writes a character to the console. */
 void _ttywrch(int ch)
 {
+#ifdef RT_USING_CONSOLE
     char c;
 
     c = (char)ch;
     rt_kprintf(&c);
+#endif
 }
 
 void _sys_exit(int return_code)
-- 
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