$ sudo apt-get update
$ sudo apt-get install libbpp-phyl9 

libbpp-phyl9 is installed in your system.

Make ensure the libbpp-phyl9 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libbpp-phyl9 *

You will get with libbpp-phyl9 package name, version, architecture and description in a table

libbpp-phyl9 package basic information: