libygl4 software package provides A library that emulates SGIs GL routines under X11, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libygl4
libygl4 is installed in your system.
Make ensure the libygl4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libygl4 *
You will get with libygl4 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libygl4 |
| Version | 4.20E-004 |
| Description | A library that emulates SGIs GL routines under X11 |
| Sub Section | libs |