From 0af011101d896ec77ae1e4c6b4b986ac53a29a87 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Mon, 4 May 2015 20:35:28 +0800
Subject: [libc] Add more system header file for armlibc and dlib.

---
 components/libc/dlib/SConscript | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'components/libc/dlib/SConscript')

diff --git a/components/libc/dlib/SConscript b/components/libc/dlib/SConscript
index a6b7554a07..44be106e03 100644
--- a/components/libc/dlib/SConscript
+++ b/components/libc/dlib/SConscript
@@ -9,6 +9,10 @@ CPPPATH = [cwd]
 CPPDEFINES = ['RT_USING_DLIBC']
 
 if rtconfig.PLATFORM == 'iar':
+
+    if GetDepend('RT_USING_DFS'):
+        CPPDEFINES = CPPDEFINES + ['_DLIB_FILE_DESCRIPTOR', '_DLIB_THREAD_SUPPORT']
+
     group = DefineGroup('dlib', src, depend = ['RT_USING_LIBC'], 
         CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
 
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