command to check if mqtt is installed
ls $(qmake -query QT_INSTALL_LIBS) | grep Mqtt
mkdir -p ${HOME}/qt
cd ${HOME}/qt
git clone https://code.qt.io/qt/qtmqtt.git
cd qtmqtt
mkdir build && cd build
QT_INSTALL_DIR=/opt/Qt5.1.0/5.1.0
QT_QMAKE_DIR=$QT_INSTALL_DIR/gcc_64/bin/
$QT_QMAKE_DIR/qmake -r ..
make
sudo make install
QT_QMAKE_AND_DIR=$QT_INSTALL_DIR/android_armv7/bin/
$QT_QMAKE_AND_DIR/qmake -r ..
make
sudo make install