2 files changed, 23 insertions, 0 deletions
diff --git a/components/drivers/SConscript b/components/drivers/SConscript
new file mode 100644
index 0000000000..1cb7618499
--- /dev/null
+++ b/components/drivers/SConscript
@@ -0,0 +1,14 @@
+# for module compiling
+import os
+from building import *
+
+cwd  = GetCurrentDir()
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')
diff --git a/components/drivers/usb/SConscript b/components/drivers/usb/SConscript
new file mode 100644
index 0000000000..5a6486ef44
--- /dev/null
+++ b/components/drivers/usb/SConscript
@@ -0,0 +1,9 @@
+Import('RTT_ROOT')
+from building import *
+
+cwd     = GetCurrentDir()
+src	= Glob('*.c')
+CPPPATH = [cwd]
+group = DefineGroup('USB', src, depend = ['RT_USING_USB_DEVICE'], CPPPATH = CPPPATH)
+
+Return('group')