qtchooser software package provides Wrapper to select between Qt development binary versions, 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 qtchooser
qtchooser is installed in your system.
Make ensure the qtchooser package were installed using the commands given below,
$ sudo dpkg-query -l | grep qtchooser *
You will get with qtchooser package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | qtchooser |
| Version | 39-g4717841-3 |
| Description | Wrapper to select between Qt development binary versions |
| Sub Section | libdevel |