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[[Category:HowTo]]
#REDIRECT [[Install Qt 5 on Ubuntu]]
[[Category:Tutorial]]
[[Category:QtCreator]]
 
[toc align_right="yes" depth="2"]
 
'''English''' [[Install_Qt_5_on_Ubuntu_Bulgarian|Български]]
 
= 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":http://qt.io/download depending your version of Ubuntu. The installation file can be also downloaded through the command line using wget.
 
''Example:''
<code>
wget http://download.qt.io/official_releases/qt/5.0/5.0.2/qt-linux-opensource-5.0.2-x86-offline.run
</code>
 
* '''Install'''
 
Adjust permission, run the installer and follow the instruction to complete the installation.
 
<code>
chmod +x qt-linux-opensource-5.0.2-x86-offline.run
./qt-linux-opensource-5.0.2-x86-offline.run
</code>
 
* '''Install g+''*
 
Open a terminal and execute the following command to install g''+:
<code>
sudo apt-get install build-essential
</code>
 
''' '''Configure a compiler'''
 
Launch '''Qt Creator'''. Go to '''Tools > Options'''. Click '''Build &amp; 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:
<code>
sudo apt-get install mesa-common-dev
</code>
 
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":http://forum.qt.io/viewthread/23855/#110514 an additional package needs installation. Execute following command:
<code>
sudo apt-get install libglu1-mesa-dev -y
</code>
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.
 
<code>
[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
</code>
 
Place this file in home .local/share/applications .
 
Edit a file named “defaults.list” in the same directory .
Add the following line.
 
<code>
text/qtcreator=Qt-Creator.desktop;
</code>
 
open file mimeapps.list and check if the following line is present.
 
<code>
application/vnd.nokia.qt.qmakeprofile=qtcreator.desktop
</code>
 
if not add it under [added Associations].
 
Run the following command.
 
<code>
sudo update-mime-database /usr/share/mime
</code>
 
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:''
<code>
sudo apt-get install build-essential
</code>
 
* '''error: GL/gl.h: No such file or directory'''
 
''Solution:''
<code>
sudo apt-get install mesa-common-dev

Latest revision as of 05:58, 10 July 2015

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