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@@ -112,6 +112,7 @@ Download Qt 5.3 from here: <http://download.qt-project.org/official_releases/qt/
 `CONFIG+=release` depending on the build type you want.
 * Build using QtCreator: It is possible to build and debug using QtCreator as well. The above instructions should provide you with enough information to setup QtCreator on OSX and Linux. QtCreator on Windows is supposedly possible but we don't have any instructions available for that.
 * Google Earth is only supported on 32 bit builds, which by default means only Windows builds.
+* QGroundControl is using the Qt QLoggingCategory class for logging (<http://qt-project.org/doc/qt-5/qloggingcategory.html>). Since logging is on by default, an example qtlogging.ini file is included at the root of the repository which disables logging. Follow the instructions from Qt as to why and where to put this file. You can then edit the file to get a logging level that suits your needs.
 
 ## Additional functionality
 QGroundcontrol has functionality that is dependent on the operating system and libraries installed by the user. The following sections describe these features, their dependencies, and how to disable/alter them during the build process. These features can be forcibly enabled/disabled by specifying additional values for variables either at the command line when calling `qmake` or in the `user_config.pri`. When calling `qmake` additional variables can be set using the syntax `VARIABLE="SPACE_SEPARATED_VALUES"`, which can be repeated for multiple variables. For example: `qmake DEFINES="DISABLE_QUPGRADE DISABLE_SPEECH" MAVLINK_CONF="sensesoar"` disables the QUpgrade widget, speech functionality, and sets the MAVLink dialect to sensesoar. These values can be more permanently specified by setting them in the `user_config.pri` file in the root directly. Copy the `user_config.pri.dist` file and name the copy `user_config.pri`, uncommenting the lines with the variables to modify and set their values as you desire.