renato@X451MA:~/ndnSIM/ns-3$ ./waf configure --enable-examples
Traceback (most recent call last):
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 108, in waf_entry_point
    run_commands()
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 165, in run_commands
    parse_options()
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 138, in parse_options
    Context.create_context('options').execute()
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Options.py", line 146, in execute
    super(OptionsContext,self).execute()
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 92, in execute
    self.recurse([os.path.dirname(g_module.root_path)])
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/renato/ndnSIM/ns-3/wscript", line 213, in options
    opt.recurse('src')
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/renato/ndnSIM/ns-3/src/wscript", line 48, in options
    opt.recurse(module, mandatory=False)
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/renato/ndnSIM/ns-3/src/ndnSIM/wscript", line 18, in options
    tooldir=['%s/ndn-cxx/.waf-tools' % opt.path.abspath()])
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 86, in load
    module=load_tool(t,path)
  File "/home/renato/ndnSIM/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 342, in load_tool
    __import__(tool)
ImportError: No module named cryptopp