From ab05daf4ef3bf0b8cb9ddccf89a48f7a0ccf87fd Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Sat, 6 Dec 2014 07:26:19 +0000
Subject: [PATCH] [LIBC] fix compiling warning

---
 components/dfs/filesystems/devfs/devfs.h |  1 +
 components/libc/newlib/libc.c            | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/components/dfs/filesystems/devfs/devfs.h b/components/dfs/filesystems/devfs/devfs.h
index ef320b78c..97b025634 100644
--- a/components/dfs/filesystems/devfs/devfs.h
+++ b/components/dfs/filesystems/devfs/devfs.h
@@ -27,5 +27,6 @@
 #include <rtthread.h>
 
 int devfs_init(void);
+void rt_console_init(const char* device_name);
 
 #endif
diff --git a/components/libc/newlib/libc.c b/components/libc/newlib/libc.c
index f7bb8e3f9..73270969b 100644
--- a/components/libc/newlib/libc.c
+++ b/components/libc/newlib/libc.c
@@ -9,6 +9,15 @@
 #include <pthread.h>
 #endif
 
+#ifdef RT_USING_DFS
+#include <dfs_posix.h>
+
+#ifdef RT_USING_DFS_DEVFS
+#include <devfs.h>
+#endif
+
+#endif
+
 void libc_system_init(const char* tty_name)
 {
 #ifdef RT_USING_DFS
@@ -18,13 +27,16 @@ void libc_system_init(const char* tty_name)
 #error Please enable devfs by defining RT_USING_DFS_DEVFS in rtconfig.h
 #endif
 
-	/* init console device */
+	/* initialize console device */
 	rt_console_init(tty_name);
 
 	/* open console as stdin/stdout/stderr */
 	fd = open("/dev/console", O_RDONLY, 0);	/* for stdin */
 	fd = open("/dev/console", O_WRONLY, 0);	/* for stdout */
 	fd = open("/dev/console", O_WRONLY, 0);	/* for stderr */
+	
+	/* skip warning */
+	fd = fd;
 #endif
 
 	/* set PATH and HOME */
-- 
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