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Building QGC on a stock CentOS:
These were the options used to setup a CentOS development system. Use it as a guideline.
CentOS Installation
CentOS Software Selection
Once the system is fully installed and running, we need to set it up for QGC development. First, we need to update GStreamer to a more recent version. This guide follows Alice Wonder's tips found here: https://media.librelamp.com
Update to a more current GStreamer
sudo yum install epel-release
wget http://awel.domblogger.net/7/media/x86_64/awel-media-release-7-6.noarch.rpm
sudo yum localinstall awel-media-release-7-6.noarch.rpm
sudo yum clean all
sudo yum update
sudo yum install gstreamer1*
Make sure these are installed (vaapi for Intel GPUs)
sudo yum install gstreamer1-vaapi
sudo yum install gstreamer1-libav
Installing SDL2
SDL2 is used for joystick support.
sudo yum install SDL2
sudo yum install SDL2-devel
Installing Qt
mkdir ~/devel
cd ~/devel
Install Qt 5.12.4 from the Qt installation script which can be downloaded here. Once downloaded, make it executable and run it:
chmod +x qt-unified-linux-x64-3.1.1-online.run
./qt-unified-linux-x64-3.1.1-online.run
Select the following options and install it under ~/devel/Qt
Clone and Build QGC
git clone --recursive https://github.com/mavlink/qgroundcontrol.git
mkdir build
cd build
For a debug/test build:
../Qt/5.12.4/gcc_64/bin/qmake ../qgroundcontrol/qgroundcontrol.pro -spec linux-g++ CONFIG+=debug
For a release build:
../Qt/5.12.4/gcc_64/bin/qmake ../qgroundcontrol/qgroundcontrol.pro spec linux-g++ CONFIG+=qtquickcompiler
Build it: (use the appropriate number of CPU cores for you machine)
make -j32
You can alternativelly launch QtCreator (found under ~/devel/Qt/Tools/QtCreator/bin/qtcreator), load the qgroundcontro.pro project and build/debug from within its IDE.
By default, this will build the regular QGC. To build the sample, customized UI version, follow these instructions.
Running QGC
Before launching QGC, you need to make sure the current user has access to the dialout group (serial port access permission):
sudo usermod -a -G dialout $USER