uses lwip 1.4.0 in default.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2009 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/net/lwip-1.4.0/SConscript

@@ -84,8 +84,6 @@ if GetDepend(['RT_LWIP_PPP']):
 if GetDepend(['RT_USING_NETUTILS']):
     src += Glob('./apps/*.c')
 
-# group = DefineGroup('LwIP', src, depend = ['RT_USING_LWIP'], CPPPATH = path)
-# Switch to this branch after lwip1.4 is stable enough.
-group = DefineGroup('LwIP', src, depend = ['NOT_USED'], CPPPATH = path)
+group = DefineGroup('LwIP', src, depend = ['RT_USING_LWIP'], CPPPATH = path)
 
 Return('group')

components/net/lwip/SConscript

@@ -82,6 +82,6 @@ if GetDepend(['RT_LWIP_PPP']):
 if GetDepend(['RT_USING_NETUTILS']):
     src += Glob('./apps/*.c')
 
-group = DefineGroup('LwIP', src, depend = ['RT_USING_LWIP'], CPPPATH = path)
+group = DefineGroup('LwIP', src, depend = ['RT_USING_LWIP', 'RT_USING_LWIP132'], CPPPATH = path)
 
 Return('group')