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QtJetsonNano5.15.0

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README.md

QT5.15.0 compilation for jetson nano

Youtube video:

Youtube video link

Qt Configuration on jetson nano Plese watch the video carefully. :)

jetson nano

Update and upgrade the ubuntu(jetpack)

sudo apt update
sudo apt upgrade

Install dependencies

apt install -y '.*libxcb.*' libxrender-dev libxi-dev libfontconfig1-dev libudev-dev libgles2-mesa-dev libgl1-mesa-dev gcc git bison python gperf pkg-config make libclang-dev build-essential

Host

pdate and upgrade the ubuntu(20.04)

sudo apt update
sudo apt upgrade

run sudo bash. If you do not want to run sudo, be carefuk about the permissions

apt install gcc git bison python gperf pkg-config
apt install make libclang-dev build-essential

Create a director under opt for building

mkdir /opt/qt5jnano
chown jnanoqt:jnanoqt /opt/qt5jnano
cd /opt/qt5jnano/

Install linaro toolchain

wget https://releases.linaro.org/components/toolchain/binaries/latest-5/aarch64-linux-gnu/gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu.tar.xz
tar xf gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu.tar.xz 
export PATH=$PATH:/opt/qt5jnano/gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu/bin

Download qt single, or if you want to build only base then you can do also.

wget https://download.qt.io/official_releases/qt/5.15/5.15.0/single/qt-everywhere-src-5.15.0.tar.xz
tar xf qt-everywhere-src-5.15.0.tar.xz

Get the related dependencies for sysroot from nano hardware. Becareful about the slashes.

rsync -avz root@192.168.16.24:/lib sysroot
rsync -avz root@192.168.16.24:/usr/include sysroot/usr
rsync -avz root@192.168.16.24:/usr/lib sysroot/usr
wget https://raw.githubusercontent.com/Kukkimonsuta/rpi-buildqt/master/scripts/utils/sysroot-relativelinks.py
chmod +x sysroot-relativelinks.py
./sysroot-relativelinks.py sysroot

Replace the qmake.conf file with the one in the repo

cp -r qt-everywhere-src-5.15.0/qtbase/mkspecs/devices/linux-jetson-tk1-g++/ qt-everywhere-src-5.15.0/qtbase/mkspecs/devices/linux-jetson-nano
gedit qt-everywhere-src-5.15.0/qtbase/mkspecs/devices/linux-jetson-nano/qmake.conf

Create a director for building binaries and configure qt

mkdir qt5buid && cd qt5build
../qt-everywhere-src-5.15.0/configure -opengl es2 -device linux-jetson-nano -device-option CROSS_COMPILE=/opt/qt5jnano/gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- -sysroot /opt/qt5jnano/sysroot -prefix /usr/local/qt5jnano -opensource -confirm-license -skip qtscript -skip wayland -skip qtwebengine -force-debug-info -skip qtdatavis3d -skip qtlocation -nomake examples -make libs -pkg-config -no-use-gold-linker -v
make -j4
make install

Send compiled binaries to jetson nano

rsync -avz sysroot/usr/local/qt5jnano root@192.168.16.24:/usr/local