Migrates from Qt 5 to Qt 6

[nicomiguelino]

References

• https://wiki.qt.io/Cross-Compile_Qt_6_for_Raspberry_Pi
• https://github.com/ninja-build/ninja/releases
• https://doc.qt.io/qt-6/linux-building.html

Handy Commands

docker buildx build \
    --load \
    --build-arg GIT_HASH=$(git rev-parse --short HEAD) \
    -t qt6-builder .

docker run -itd \
    --name qt6-builder-instance \
    -v ~/tmp-qt6/qt-src:/src:Z \
    -v ~/tmp-qt6/qt-build:/build:Z \
    -v $(pwd):/webview:ro \
    -e TARGET=pi4 \
    qt6-builder