[ndnSIM] New Ubuntu machine - new bizarre errors

John Baugh jpbaugh at umich.edu
Tue Jan 3 21:44:34 PST 2017


By "./waf configure and ./waf inside the scenario template", I took that as
the ./waf inside my my-simulations directory, correct?

I performed the ./waf configure from inside there *after *doing a ./waf
install (from inside ns-3 directory), and I get the following:

jpbaugh at Janeway:~/ndnSIM/my-simulations$ ./waf configure
Setting top to                           :
Setting out to                           :
Checking for 'gcc' (C compiler)          : /usr/bin/gcc
Checking for 'g++' (C++ compiler)        : /usr/bin/g++
Checking supported CXXFLAGS              : -std=c++11
Checking supported CXXFLAGS              : -pedantic -Wall -O2 -g
Checking for program 'pkg-config'        : /usr/bin/pkg-config
Checking for 'libndn-cxx'                : not found
The configuration failed
(complete log in /home/jpbaugh/ndnSIM/my-simulations/build/config.log)

My obvious assumption is that it cannot find the ndn-cxx library.  But I am
following the instructions by the letter.  This is a fresh computer and a
fresh install, so what might be the issue here?  And what is the best /
appropriate corrective measure, as I assume ndnSIM is already installed.



On Wed, Jan 4, 2017 at 12:36 AM, Junxiao Shi <shijunxiao at email.arizona.edu>

> Hi John
> 1.)  Since I already had installed ndnSIM using the instructions in
>> Getting Started on the main ndnSIM.net page, I don't have to perform
>> another git clone on ns-3-dev-ndnSIM.git or any of those files right?  It
>> seems it's just downloading a separate copy of ndnSIM to put in a separate
>> directory.
>> *So, all I did per the instructions was a git clone on the
>> ndnSIM-scenario-template-git.*
> You don't need to clone ns-3 or ndnSIM again, as long as you have
> compatible version.
> 2.)  I placed the downloaded branch (terminology might be off here) in
>> my-simulations, *which in turn I have inside the ndnSIM folder*.  So,
>> my-simulations is a directory that is a sibling directory of ns-3 and
>> pybindgen, all three being inside the top level ndnSIM folder.
>> *Is this correct / ok?*
> Yes, this is correct. scenario template must be outside of ns-3 folder.
> 3.)  I am very confused about the difference between the extensions and
>> scenarios directories.  I was under the impression I could put a
>> subdirectory under extensions named as my scenario, so I named a
>> subdirectory of extensions "jpb-strategy1-test", which contains
>> jpb-strategy1.cpp and a umd/ directory with some classes I'm using (they
>> worked fine with ndnSIM 2.1.)
>> *Is this correct?*
> You may place multiple files in extensions/ folder, which will be linked
> with every scenario.
> Every file in scenarios/ folder is an individual simulation which must
> have a main() function. Every file is linked with every object from
> extensions/ to create an executable.
>> 4.)  Now, it cannot find the scenario, regardless of whether its inside
>> extensions or scenarios.  Does a .cpp or .cc file have to be at the top
>> level or can I put a subdirectory?  I just want to remain organized.  I get
>> the following:
>> *jpbaugh at Janeway:~/ndnSIM/ns-3$ ./waf --run=jpb-strategy1-testWaf:
>> Entering directory `/home/jpbaugh/ndnSIM/ns-3/build'program
>> 'jpb-strategy1-test' not found; available programs are: ['subdir',
>> 'scratch/subdir/subdir', 'scratch-simulator', 'scratch/scratch-simulator',
>> 'test-runner', 'utils/test-runner', 'bench-simulator',
>> 'utils/bench-simulator', 'bench-packets', 'utils/bench-packets',
>> 'print-introspected-doxygen', 'utils/print-introspected-doxygen',
>> 'tap-device-creator', 'src/fd-net-device/tap-device-creator',
>> 'raw-sock-creator', 'src/fd-net-device/raw-sock-creator', 'tap-creator',
>> 'src/tap-bridge/tap-creator']*
> You must first `sudo ./waf install` from ns-3 which installs ns-3
> including ndnSIM system-wide (optimized build is recommended), and then
> `./waf configure` and `./waf` inside the scenario template.
> Yours, Junxiao
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