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-rw-r--r--components/net/SConscript5
1 files changed, 5 insertions, 0 deletions
diff --git a/components/net/SConscript b/components/net/SConscript
index 87943f32ae..1357330270 100644
--- a/components/net/SConscript
+++ b/components/net/SConscript
@@ -1,10 +1,15 @@
# for network related component
import os
Import('RTT_ROOT')
+from building import *
objs = []
list = os.listdir(os.path.join(RTT_ROOT, 'components', 'net'))
+# the default version of LWIP is 1.4.0
+if not GetDepend('RT_USING_LWIP132') and not GetDepend('RT_USING_LWIP141'):
+ AddDepend('RT_USING_LWIP140')
+
for d in list:
path = os.path.join(RTT_ROOT, 'components', 'net', d)
if os.path.isfile(os.path.join(path, 'SConscript')):