I am not able to install Frr on Linux 4.9 LTSI , Angstrom distribution 

I am trying to install from source downloaded from git .

There are various issues ,Frr dependencies

Libyang

Cmake 

Are the major once when I am trying to install .

Please guide me with proper versions of dependencies required to install Frr on my platform mentioned above .

Guide me with the dependencies versions and other link support .

Regards 

PJ