diff --git a/components/libc/SConscript b/components/libc/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..e8c7d1a6b5769e9ca572a2d9f8cc07d040484ec3
--- /dev/null
+++ b/components/libc/SConscript
@@ -0,0 +1,13 @@
+# for libc component
+import os
+Import('RTT_ROOT')
+
+objs = []
+list = os.listdir(os.path.join(RTT_ROOT, 'components', 'libc'))
+
+for d in list:
+    path = os.path.join(RTT_ROOT, 'components', 'libc', d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')
diff --git a/components/net/SConscript b/components/net/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..2e3bfdd60313d33e777a34387e8cefa36ddf9a32
--- /dev/null
+++ b/components/net/SConscript
@@ -0,0 +1,13 @@
+# for libc component
+import os
+Import('RTT_ROOT')
+
+objs = []
+list = os.listdir(os.path.join(RTT_ROOT, 'components', 'net'))
+
+for d in list:
+    path = os.path.join(RTT_ROOT, 'components', 'net', d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')