<div dir="ltr">Hi everyone,<div><br></div><div>I need to install ndnSIM 2.1.I downloaded ndnSIM 2.1 from here:</div><div><br></div><div><a href="https://github.com/named-data-ndnSIM/ndnSIM/releases/tag/ndnSIM-2.1">https://github.com/named-data-ndnSIM/ndnSIM/releases/tag/ndnSIM-2.1</a><br></div><div><br></div><div>As for "ns-3" and "pybindgen", first, I did the following:  </div><div><br></div><div><pre>git clone <a href="https://github.com/named-data-ndnSIM/ns-3-dev.git">https://github.com/named-data-ndnSIM/ns-3-dev.git</a> ns-3
git clone <a href="https://github.com/named-data-ndnSIM/pybindgen.git">https://github.com/named-data-ndnSIM/pybindgen.git</a> pybindgen</pre><pre><br></pre><pre>After, I tried also downloading older versions of "pybindgen" as well as "ns-3". But in any case, when I write "./waf configure --enable-examples", I have the following error:</pre><pre><br></pre><pre>Traceback (most recent call last):
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 108, in waf_entry_point
    run_commands()
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 165, in run_commands
    parse_options()
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Scripting.py", line 138, in parse_options
    Context.create_context('options').execute()
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Options.py", line 146, in execute
    super(OptionsContext,self).execute()
  File "/home/carl/ndnSIM-2.1/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/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/carl/ndnSIM-2.1/ns-3/wscript", line 213, in options
    opt.recurse('src')
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/carl/ndnSIM-2.1/ns-3/src/wscript", line 48, in options
    opt.recurse(module, mandatory=False)
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/carl/ndnSIM-2.1/ns-3/src/ndnSIM/wscript", line 16, in options
    opt.load(['version'], tooldir=['%s/.waf-tools' % opt.path.abspath()])
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 86, in load
    module=load_tool(t,path)
  File "/home/carl/ndnSIM-2.1/ns-3/.waf-1.8.12-f00e5b53f6bbeab1384a38c9cc5d51f7/waflib/Context.py", line 342, in load_tool
    __import__(tool)
ImportError: No module named version
</pre><pre><br></pre><pre>I have the same problem for installing ndnSIM 2.2 as well. That is, I can only install the latest version. Does anybody have a successful experience on installing 2.1 or 2.2 ? I highly appreciate any guidance.</pre><pre><br></pre><pre>Thanks,</pre><pre>C</pre></div><div><br></div></div>