Installing Qt Cross Compilation Toolchain for Beaglebone Black

This is the guide that I went through to successfully set the environment. If you get stuck on something, feel free to have a look at the references in the bottom most.

These are the steps that worked for me so I hope it helps.

• Just making sure of the dependencies
• sudo apt-get update
• sudo apt-get upgrade
• sudo apt-get install lib32z1 lib32ncurses5 lib32bz2-1.0 libstdc++6:i386 ia32-libs
• Assuming that you can get access to the root
• Set up Cross compiler
• Download and install
• wget -c https://releases.linaro.org/components/toolchain/binaries/6.4-2018.05/arm-linux-gnueabihf/gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf.tar.xz
• tar xf gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf.tar.xz
• export CC=`pwd`/gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
• Test installation
• ${CC}gcc --version
• Download qt source
• #do this in a directory that is not in your root filesystem, i.e. ~
• git clone git://code.qt.io/qt/qt5.git
• cd qt5
• ./init-repository
• Fix symlinks
• git clone git://gitorious.org/cross-compile-tools/cross-compile-tools.git
• cd cross-compile-tools
• ./fixQualifiedLibraryPaths /Rootfs/of/the/target_device/ /home/cosik/gcc-linaro-arm-linux-gnueabihf-4.8-2013.09_linux/bin/arm-linux-gnueabihf-g++
• Running Qt configuration script
• go to qt5 directory
• It is best to paste the following instruction in a bash script file and edit it however wanted:
• ./configure \

-opengl es2 \

-device linux-beagleboard-g++ \

-device-option CROSS_COMPILE=/home/angelos/Tools/qt/gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- \

-sysroot /home/angelos/Projects/innov8/rootfs/ \

-opensource \

-confirm-license \

-optimized-qmake \

-linuxfb \

-release \

-make libs \

-prefix /home/angelos/Tools/qt/qt_build \

-no-pch \

-nomake examples \

-nomake tests \

-no-xcb \

-eglfs \

-v

• NOTE:
• Some parameters are probably not needed but here are the important ones:
• CROSS_COMPILE - your own beaglebone cross compiler location
• Device - is the directory name in …../qt5/qtbase/mkspecs
• sysroot - rootfs of the target device.
• Prefix - install target directory
• Linuxfb - Enable Linux Framebuffer support
• The rest of the parameter definition can be found by typing:
• ./configure -embedded -help
• Install!
• make -j 2 && sudo make install
• Integrating with Qt creator
• Download and install qt creator
• https://www.qt.io/download-qt-installer?hsCtaTracking=9f6a2170-a938-42df-a8e2-a9f0b1d6cdce%7C6cb0de4f-9bb5-4778-ab02-bfb62735f3e5
• Follow the following link
• Note before go to the link:
• The options menu will be slightly different since this manual was done in an older version of qt
• If you can’t find qmake in the prefix directory you set in the qt configuration, it should be in /qt5/qtbase/
• https://www.olimex.com/forum/index.php?topic=3826.0
• References
• https://www.digikey.com/eewiki/display/linuxonarm/BeagleBone+Black
• https://rm5248.com/cross-compile-qt-for-arm/
• https://www.olimex.com/forum/index.php?PHPSESSID=jhgfpnpeq7kijc4lvjkvnj9cn1&topic=3825.0
• https://www.olimex.com/forum/index.php?topic=3826.0