add RT_USING_POSIX_DELAY

1 files changed, 6 insertions, 2 deletions

diff --git a/components/libc/posix/src/SConscript b/components/libc/posix/src/SConscript
index ab649ec6bc..4c6d3e3b7b 100644
--- a/components/libc/posix/src/SConscript
+++ b/components/libc/posix/src/SConscript
@@ -1,7 +1,8 @@
+# RT-Thread building script for component
+
 from building import *
-Import('rtconfig')
 
-src     = ['libc.c','delay.c','unistd.c']
+src     = ['libc.c', 'unistd.c']
 cwd     = GetCurrentDir()
 CPPPATH = [cwd]
 
@@ -11,6 +12,9 @@ if GetDepend('RT_USING_POSIX_POLL'):
 if GetDepend('RT_USING_POSIX_SELECT'):
     src += ['select.c']
 
+if GetDepend('RT_USING_POSIX_DELAY'):
+    src += ['delay.c']
+
 group = DefineGroup('POSIX', src, depend = ['RT_USING_POSIX'], CPPPATH = CPPPATH)
 
 Return('group')