[Ndn-interest] some error about NDN installation

[jinyangl at mail.ustc.edu.cn]

recently, i encounter some question when i install ndn-cxx .the details as follow:

ndn at ndn:~/Downloads/flow-ndn-cxx$ ./waf 
Traceback (most recent call last):
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Scripting.py", line 103, in waf_entry_point
    run_commands()
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Scripting.py", line 160, in run_commands
    parse_options()
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Scripting.py", line 133, in parse_options
    Context.create_context('options').execute()
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Options.py", line 143, in execute
    super(OptionsContext,self).execute()
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Context.py", line 92, in execute
    self.recurse([os.path.dirname(g_module.root_path)])
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/ndn/Downloads/flow-ndn-cxx/wscript", line 17, in options
    tooldir=['.waf-tools'])
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Context.py", line 86, in load
    module=load_tool(t,path)
  File "/home/ndn/Downloads/flow-ndn-cxx/.waf-1.8.9-849024857bd41c3cf8e87dc01ecf79b0/waflib/Context.py", line 345, in load_tool
    __import__(tool)
ImportError: No module named default-compiler-flags

the VERSION is 0.4.0-beta2-6-gb1990df.
i have changed some code but i successfully installed ndn-cxx and NFD after that.
when i copy the code to a new ubuntu or git that to a new ubuntu , that occur.
i dont know the reason,  anyone has an idea ?
another question. where can i get the code of ndn-cxx/NFD0.4.0-beta2-6-gb1990df.
i git clone it from github ,but find it is 0.3.92,
Why???


jinyangl at mail.ustc.edu.cn
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