From 33769db3cf9c49172c402a4950ec5a8f33fe9948 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 15 Feb 2021 07:17:16 +0800
Subject: [PATCH] =?UTF-8?q?[libc][gcc][keil]=20=E5=9C=A8sconscript?=
 =?UTF-8?q?=E4=B8=AD=E5=AE=9A=E4=B9=89RT=5FTICK=5FPER=5FSECOND=E5=AE=8F?=
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---
 components/libc/compilers/common/SConscript | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/components/libc/compilers/common/SConscript b/components/libc/compilers/common/SConscript
index 2407301405..1cf84df01c 100644
--- a/components/libc/compilers/common/SConscript
+++ b/components/libc/compilers/common/SConscript
@@ -16,7 +16,14 @@ else:
 if GetDepend('RT_USING_POSIX') == False:
         SrcRemove(src, ['unistd.c'])
 
+if rtconfig.CROSS_TOOL == 'keil':
+    CPPDEFINES = ['__CLK_TCK=RT_TICK_PER_SECOND']
+elif rtconfig.CROSS_TOOL == 'gcc':
+    CPPDEFINES = ['_CLOCKS_PER_SEC_=RT_TICK_PER_SECOND']
+else:
+    CPPDEFINES = []
+
 if not GetDepend('RT_USING_MINILIBC') and (GetDepend('RT_USING_LIBC') or GetDepend('RT_LIBC_USING_TIME')):
-	group = DefineGroup('libc', src, depend = [''], CPPPATH = CPPPATH)
+    group = DefineGroup('libc', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
 
 Return('group')
-- 
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