libkvilib4 software package provides KVIrc (IRC client) base library, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libkvilib4
libkvilib4 is installed in your system.
Make ensure the libkvilib4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libkvilib4 *
You will get with libkvilib4 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libkvilib4 |
| Version | 4:4.2.0-2build3 |
| Description | KVIrc (IRC client) base library |
| Sub Section | Libs |