lcl-qt4 software package provides Lazarus Components Library - Qt backend dependency package, 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 lcl-qt4
lcl-qt4 is installed in your system.
Make ensure the lcl-qt4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep lcl-qt4 *
You will get with lcl-qt4 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | lcl-qt4 |
| Version | 1.0.10+dfsg-1 |
| Description | Lazarus Components Library - Qt backend dependency package |
| Sub Section | devel |