libmosquitto0-dev software package provides MQTT version 3.1 client library, development files, 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 libmosquitto0-dev
libmosquitto0-dev is installed in your system.
Make ensure the libmosquitto0-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmosquitto0-dev *
You will get with libmosquitto0-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libmosquitto0-dev |
| Version | 0.15-2ubuntu1 |
| Description | MQTT version 3.1 client library, development files |
| Sub Section | libdevel |