libavahi-qt4-dev software package provides Development headers for the Avahi Qt 4 integration library, 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 libavahi-qt4-dev
libavahi-qt4-dev is installed in your system.
Make ensure the libavahi-qt4-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavahi-qt4-dev *
You will get with libavahi-qt4-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libavahi-qt4-dev |
| Version | 0.6.31-4ubuntu1 |
| Description | Development headers for the Avahi Qt 4 integration library |
| Sub Section | libdevel |