[ndnSIM] ndnSIM-NLSR: No package 'protobuf' found

[vicky sg]

Dear all,

I am trying use NLSR with ndnSIM and for that I tried to install
ndnSIM-NLSR from the following link,
https://github.com/3rd-ndn-hackathon/ndnSIM-NLSR

When trying to configure (using ./waf configure --enable-examples
--enable-nlsr), I encounter the following error:

Checking for 'protobuf'
['/usr/bin/pkg-config', '--cflags', '--libs', 'protobuf']
err: Package protobuf was not found in the pkg-config search path.
Perhaps you should add the directory containing `protobuf.pc'
to the PKG_CONFIG_PATH environment variable
No package 'protobuf' found

I have tried changing the PKG_CONFIG_PATH environment variable but it does
not seem to work.

Any help is appreciated.
Thank you for your attention.

Abhishek
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