Install Qt 5 on Ubuntu
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Install Qt 5 on Ubuntu
Introduction
This is a tutorial for installation of Qt 5.0.2 to Ubuntu 12.10. It may be used also for newer versions of Qt and Ubuntu. A difference for OpenGL has been found and added as a note below.
Installation Guide
- Download
Visit Qt downloads page an download a 32-bit or 64-bit Linux installation [qt.io] depending your version of Ubuntu. The installation file can be also downloaded through the command line using wget.
Example:
- Install
Adjust permission, run the installer and follow the instruction to complete the installation.
- Install g++
Open a terminal and execute the following command to install g++:
- Configure a compiler
Launch Qt Creator. Go to Tools > Options. Click Build & Run and select tab Kit. Configure a compiler if it is not automatically detected.
- Install OpenGL libraries
Execute the following command to install OpenGL libraries:
Note: Just installing the above-mentioned mesa-common-dev kit is not sufficient for more recent Ubuntu versions. Based on this comment in the forum [qt.io] an additional package needs installation. Execute following command:
Tested with Qt5.3.1 and Ubuntu 14.04 and it solved the problem with missing -lGL.
- Set file association with pro files
When installing from the on-line source the file association is not done automatically.
It also not show up when you try to associate it with file explorer.
Create a file named “Qt-Creator.desktop” and fill the file with the following.
Place this file in home .local/share/applications .
Edit a file named “defaults.list” in the same directory .
Add the following line.
open file mimeapps.list and check if the following line is present.
if not add it under [added Associations].
Run the following command.
now Qt has been added to the list of file associations.
Troubleshooting
- Qt Creator needs a compiler set up to build
Follow the instruction from the previous section to configure compiler for Qt Creator.
- error: g++: Command not found
Solution:
- error: GL/gl.h: No such file or directory
Solution: