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Installing Qt on Linux

, 22 Apr 2014
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A brief step-by-step guide on what is needed to get Qt and the Qt Creator installed on your Linux environment

Introduction

Installing Qt is usually an easy task, yet it can be frustrating if you try to install it on Linux. I use Unumtu 12.04 LTS running on a Parallels VM to explain the process, yet is should be applicable to almost any Linuy distribution.

Background - What do you need?

Package Description
Installation packages

Qt

The Qt framework, e.g. the Qt Creator, all libraries and everything needed in relation to Qt

OpenGL

Qt uses OpenGL to render GUI elements. It isn't included with the Qt installation package and needs to be installed via apt-get

GNU g++ compiler

The GNU g++ compiler isn't included with the Qt installation package, either. You can use another compiler (GPP for example), but g++ is recommended by digia.

Installation

Before you start, it is recommended to run

sudo apt-get update && sudo apt-get upgrade 

and

sudo apt-get autoremove

on your Terminal in order to ensure that your system is up-to-date and doesn't contain any obsolete or outdated packages.

After this, get the Qt installation package from the Digia download page. Before you can run it, you need to adjust the permissions on the downloaded file:

chmod +x /home/parallels/Downloads/qt-opensource-linux-x64-5.2.1.run

chmod +x adds the permission to run the file as executable for anyone on the computer, meaning that anyone can use the file to install Qt. After you have done that, you need to execute the file in order to install Qt.

Congratulations, you have installed Qt - But there is still more than just something missing. For example, you can't compile anything yet. To install g++, type

sudo apt-get install build-essential

in your Terminal. This will install the g++ compiler (and generally development related stuff) - You don't need to adjust anything with your Qt Creator settings, it will automatically detect the newly installed compiler the next time you start it.

In order to install OpenGL you need to run

sudo apt-get install mesa-common-dev

and

sudo apt-get install libcr-dev

sudo apt-get install libglu1-mesa-dev -y

from your Terminal. The first command installs OpenGL while the second two command install some development-related additional OpenGL libraries which aren't required for non-development related activities, but needed to build Qt source code which is using OpenGL features.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Marco Bertschi
Software Developer (Junior)
Switzerland Switzerland
Software Developer (Swiss Federal VET Diploma), experienced with Qt C++, C#, RFC 5424 and Arduino Boards.
Music enthusiast, runner, part-time psychologist for friends, awesome guy.
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Comments and Discussions

 
QuestionDo u work on Qt ? Pinmemberpmgpm15-Jun-14 23:06 
AnswerRe: Do u work on Qt ? PinprotectorMarco Bertschi16-Jun-14 3:51 
GeneralRe: Do u work on Qt ? Pinmemberpmgpm16-Jun-14 23:06 
GeneralRe: Do u work on Qt ? PinprotectorMarco Bertschi16-Jun-14 23:12 
GeneralRe: Do u work on Qt ? Pinmemberpmgpm16-Jun-14 23:14 
GeneralRe: Do u work on Qt ? PinprotectorMarco Bertschi16-Jun-14 23:17 
GeneralRe: Do u work on Qt ? Pinmemberpmgpm16-Jun-14 23:20 

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