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[[Category:Tutorial]]
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[[Category:QtCreator]]
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=Install Qt 5 on Ubuntu=


'''English''' [[Install_Qt_5_on_Ubuntu_Bulgarian|Български]]
==Introduction==


This is a tutorial for installation of Qt 5.7.0 to Ubuntu 12.10. It may be used for some newer versions of Qt and Ubuntu. As a counterexample, Ubuntu 16.04 LTS uses an independent system for controlling the Qt version.  Following these directions for Ubuntu 16.04 results in an error where a file can't be found in a qt4 directory, even though you're installing qt5 not 4.  Another difference for OpenGL has been found and added as a note below.


== Introduction ==
==Installation Guide (Ubuntu package)==
 
Open a terminal. Type the following command and hit Enter:
<code>
sudo apt-get install qt5-default
</code>


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.
Qt 5.x will be installed.


== Installation Guide ==
==Installation Guide (Qt download page)==


* '''Download'''
*'''Download'''


Visit Qt downloads page an [http://qt.io/download download a 32-bit or 64-bit Linux installation] depending your version of Ubuntu. The installation file can be also downloaded through the command line using wget.
Visit Qt downloads page an [https://www.qt.io/download-open-source/#section-2 download a 32-bit or 64-bit Linux installation] depending your version of Ubuntu. The installation file can be also downloaded through the command line using wget.


''Example:''
''Example:''
<code>
<code>
wget http://download.qt.io/official_releases/qt/5.0/5.0.2/qt-linux-opensource-5.0.2-x86-offline.run
wget [https://download.qt.io/new_archive/qt/5.7/5.7.0/qt-opensource-linux-x64-5.7.0.run https://download.qt.io/new_archive/qt/5.7/5.7.0/qt-opensource-linux-x64-5.7.0.run]
</code>
</code>


* '''Install'''
''This is valid until 5.14.2 due to policy change, distributing Open Source Qt linux package is discontinue from 5.15.0. You need to [https://doc.qt.io/qt-5/linux-building.html build] your own package starting from 5.15.0.''
 
*'''Install'''


Adjust permission, run the installer and follow the instruction to complete the installation.
Adjust permission, run the installer and follow the instruction to complete the installation.


<code>
<code>
chmod +x qt-linux-opensource-5.0.2-x86-offline.run
chmod +x qt-opensource-linux-x64-5.7.0.run
./qt-linux-opensource-5.0.2-x86-offline.run
./qt-opensource-linux-x64-5.7.0.run
</code>
</code>


* '''Install g++'''
*'''Install g++'''


Open a terminal and execute the following command to install g''+:
Open a terminal and execute the following command to install g++:
<code>
<code>
sudo apt-get install build-essential
sudo apt-get install build-essential
</code>
</code>


''' '''Configure a compiler'''
*'''Install generic font configuration library - runtime'''


Launch '''Qt Creator'''. Go to '''Tools > Options'''. Click '''Build &amp; Run''' and select tab '''Kit'''. Configure a compiler if it is not automatically detected.
Open a terminal and execute the following command to install the full runtime files for the generic font configuration library:
<code>
sudo apt-get install libfontconfig1
</code>


* '''Install OpenGL libraries'''
*'''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:
Execute the following command to install OpenGL libraries:
Line 51: Line 67:
</code>
</code>


Note: Just installing the above-mentioned mesa-common-dev kit is not sufficient for more recent Ubuntu versions. Based on this [http://forum.qt.io/viewthread/23855/#110514 comment in the forum] an additional package needs installation. Execute following command:
Note: Just installing the above-mentioned mesa-common-dev kit is not sufficient for more recent Ubuntu versions. Based on a comment in the Qt forum<ref>[https://forum.qt.io/topic/59062/qt-5-5-0-problem-running-examples-solved/2 Qt 5.5.0 problem running examples &#91;SOLVED&#93;]. 2015-09-22. [https://web.archive.org/web/20160801041947/https://forum.qt.io/topic/59062/qt-5-5-0-problem-running-examples-solved Archived] from the original on 2016-08-01. Retrieved 2016-08-01. <blockquote>Execute the following command to install OpenGL libraries: sudo apt-get install mesa-common-dev 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 an additional package needs installation. Execute following command: sudo apt-get install libglu1-mesa-dev -y Tested with Qt5.3.1 and Ubuntu 14.04 and it solved the problem with missing -lGL.</blockquote></ref> an additional package needs installation. Execute following command:
<code>
<code>
sudo apt-get install libglu1-mesa-dev -y
sudo apt-get install libglu1-mesa-dev -y
Line 57: Line 73:
Tested with Qt5.3.1 and Ubuntu 14.04 and it solved the problem with missing -lGL.
Tested with Qt5.3.1 and Ubuntu 14.04 and it solved the problem with missing -lGL.


* '''Set file association with pro files'''
*'''Set file association with pro files'''


When installing from the on-line source the file association is not done automatically.
When installing from the on-line source the file association is not done automatically.
Line 101: Line 117:
now Qt has been added to the list of file associations.
now Qt has been added to the list of file associations.


== Troubleshooting ==
==Troubleshooting==


* '''Qt Creator needs a compiler set up to build'''
*'''Qt Creator needs a compiler set up to build'''


Follow the instruction from the previous section to configure compiler for Qt Creator.
Follow the instruction from the previous section to configure compiler for Qt Creator.


* '''error: g++: Command not found'''
*'''error: g++: Command not found'''


''Solution:''
''Solution:''
Line 114: Line 130:
</code>
</code>


* '''error: GL/gl.h: No such file or directory'''
*'''error: GL/gl.h: No such file or directory'''


''Solution:''
''Solution:''
<code>
<code>
sudo apt-get install mesa-common-dev
sudo apt-get install mesa-common-dev
</code>
==References==
<div class="references-small">
<references />
</div>

Latest revision as of 06:29, 17 June 2022

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Install Qt 5 on Ubuntu

Introduction

This is a tutorial for installation of Qt 5.7.0 to Ubuntu 12.10. It may be used for some newer versions of Qt and Ubuntu. As a counterexample, Ubuntu 16.04 LTS uses an independent system for controlling the Qt version. Following these directions for Ubuntu 16.04 results in an error where a file can't be found in a qt4 directory, even though you're installing qt5 not 4. Another difference for OpenGL has been found and added as a note below.

Installation Guide (Ubuntu package)

Open a terminal. Type the following command and hit Enter:

sudo apt-get install qt5-default

Qt 5.x will be installed.

Installation Guide (Qt download page)

  • Download

Visit Qt downloads page an download a 32-bit or 64-bit Linux installation depending your version of Ubuntu. The installation file can be also downloaded through the command line using wget.

Example:

wget [https://download.qt.io/new_archive/qt/5.7/5.7.0/qt-opensource-linux-x64-5.7.0.run https://download.qt.io/new_archive/qt/5.7/5.7.0/qt-opensource-linux-x64-5.7.0.run]

This is valid until 5.14.2 due to policy change, distributing Open Source Qt linux package is discontinue from 5.15.0. You need to build your own package starting from 5.15.0.

  • Install

Adjust permission, run the installer and follow the instruction to complete the installation.

chmod +x qt-opensource-linux-x64-5.7.0.run
./qt-opensource-linux-x64-5.7.0.run
  • Install g++

Open a terminal and execute the following command to install g++:

sudo apt-get install build-essential
  • Install generic font configuration library - runtime

Open a terminal and execute the following command to install the full runtime files for the generic font configuration library:

sudo apt-get install libfontconfig1
  • 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:

sudo apt-get install mesa-common-dev

Note: Just installing the above-mentioned mesa-common-dev kit is not sufficient for more recent Ubuntu versions. Based on a comment in the Qt forum[1] an additional package needs installation. Execute following command:

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

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.

[Desktop Entry]
Version=1.0
Encoding=UTF-8
Type=Application
Name=QtCreator
Comment=QtCreator
NoDsiplay=true
Exec=(Install folder of QT)/Tools/QtCreator/bin/qtcreator %f
Icon=(Install folder of QT)/5.4/Src/qtdoc/doc/images/landing/icon_QtCreator_78x78px.png
Name[en_US]=Qt-Creator

Place this file in home .local/share/applications .

Edit a file named “defaults.list” in the same directory . Add the following line.

text/qtcreator=Qt-Creator.desktop;

open file mimeapps.list and check if the following line is present.

application/vnd.nokia.qt.qmakeprofile=qtcreator.desktop

if not add it under [added Associations].

Run the following command.

sudo update-mime-database /usr/share/mime

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:

sudo apt-get install build-essential
  • error: GL/gl.h: No such file or directory

Solution:

sudo apt-get install mesa-common-dev

References

  1. Qt 5.5.0 problem running examples [SOLVED]. 2015-09-22. Archived from the original on 2016-08-01. Retrieved 2016-08-01.

    Execute the following command to install OpenGL libraries: sudo apt-get install mesa-common-dev 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 an additional package needs installation. Execute following command: sudo apt-get install libglu1-mesa-dev -y Tested with Qt5.3.1 and Ubuntu 14.04 and it solved the problem with missing -lGL.