1 files changed, 15 insertions, 3 deletions
diff --git a/components/drivers/rtc/SConscript b/components/drivers/rtc/SConscript
index b2d50de758..65552a7765 100644
--- a/components/drivers/rtc/SConscript
+++ b/components/drivers/rtc/SConscript
@@ -1,8 +1,20 @@
 from building import *
 
-cwd     = GetCurrentDir()
-src	= Glob('*.c')
+cwd = GetCurrentDir()
+src = [] 
+
+rtc = ['rtc.c']
+
+rtc_alarm = ['alarm.c']
+
 CPPPATH = [cwd + '/../include']
+group = []
+
+if GetDepend(['RT_USING_RTC']):
+    src = src + rtc
+    if GetDepend(['RT_USING_ALARM']): 
+        src = src + rtc_alarm
+
 group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_RTC'], CPPPATH = CPPPATH)
 
-Return('group')
+Return('group')
+\ No newline at end of file