lldpad-dev software package provides Link Layer Discovery Protocol Implementation (Development headers), 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 lldpad-dev
lldpad-dev is installed in your system.
Make ensure the lldpad-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep lldpad-dev *
You will get with lldpad-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | lldpad-dev |
| Version | 0.9.46-2 |
| Description | Link Layer Discovery Protocol Implementation (Development headers) |
| Sub Section | libdevel |