Рабочая инструкция. На выполнение требуется примерно 30 часов
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install libfontconfig1-dev libdbus-1-dev libfreetype6-dev libudev-dev libicu-dev libsqlite3-dev libxslt1-dev libssl-dev libasound2-dev libavcodec-dev libavformat-dev libswscale-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev gstreamer-tools gstreamer0.10-plugins-good gstreamer0.10-plugins-bad libraspberrypi-dev libpulse-dev libx11-dev libglib2.0-dev libcups2-dev freetds-dev libsqlite0-dev libpq-dev libiodbc2-dev libmysqlclient-dev firebird-dev libpng12-dev libjpeg9-dev libgst-dev libxext-dev libxcb1 libxcb1-dev libx11-xcb1 libx11-xcb-dev libxcb-keysyms1 libxcb-keysyms1-dev libxcb-image0 libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev libxcb-sync-dev libxcb-render-util0 libxcb-render-util0-dev libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-glx0-dev libxi-dev libdrm-dev libssl-dev
sudo apt-get install libxcb-xinerama0-dev
Install libpng16-16! Default libpng is too old.
mkdir ~/opt
cd ~/opt
git clone git://code.qt.io/qt/qt5.git
cd qt5
./init-repository
./configure -v -opengl es2 -device linux-rasp-pi-g''+ -device-option CROSS_COMPILE=/usr/bin/ -opensource -confirm-license -optimized-qmake -reduce-exports -release -qt-pcre -qt-libpng -make libs -prefix /usr/local/qt5 &> output
make -j4 &> output_make
sudo make install &> output_make_install
pi@raspberrypi:~ $ cat >> .bashrc
export LD_LIBRARY_PATH=/usr/local/qt5/lib/
export PATH=/usr/local/qt5/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
pi@raspberrypi:~ $ source .bashrc