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m (How to compile Qt5)
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./configure -developer-build -opensource -nomake examples -nomake tests -no-pch  -qt-xcb
 
./configure -developer-build -opensource -nomake examples -nomake tests -no-pch  -qt-xcb
'''make -j8'''
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make -j8
 
</pre>
 
</pre>
  

Revision as of 13:52, 3 January 2013

How to compile Qt5

In order to compile Qt5, is mandatory to start from a clean system, especially if you are using a 8 GB SD card. Moreover, you have to install the mesa packages:

sudo apt-get install mesa-utils mesa-common-dev libgl1-mesa-dev x11proto-xext-dev libxrender-dev

missing this step, the build will fail on unknown OpenGL symbols, even if the OpenGL build has been explicitly disabled.

Clone the base repository:

cd
git clone git://gitorious.org/qt/qt5.git qt5

this is only a template repository, it is almost empty, we need to download the whole code using the initialization script

cd qt5
perl init-repository --no-webkit

Next we have to configure, avoiding to compile examples and test programs, in order to shorten the build time:

./configure -developer-build -opensource -nomake examples -nomake tests -no-pch  -qt-xcb
make -j8

If the build ends successfully, there is no need to install the package, it is enough use includes and libraries as found in ~/qt5/qtbase directory.

export PATH=~/qt5/qtbase/bin:$PATH

Reference

Building Qt 5 from Git on Qt Project web site