Find out how to build working Qt GUI apps

[probonopd]

Can we use this for Qt apps? Yes we can build Qt apps (but seemingly not run them yet?)

apk add qt5-qtbase-dev qt5-qtserialport-dev
git clone https://github.com/hvoigt/qt-hello-world
cd qt-hello-world
qmake-qt5
make
cd ..

This builds, but the GUI does not run. Inside the chroot I seem to have no access to Xorg, and outside the chroot it does not run either (probably need something like linuxdeployqt which doesn't handle this correctly yet).

What happens if I try to run a binary built in this way with the Qt that came with the system?

[probonopd]

For testing purposes, I have made an experimental Mumble 1.3.0 AppImage based on the Mumble package in Alpine Linux using musl libc.

mumble-voip/mumble#3959 (comment)

It seems to work, but then we are running into difficulties to use e.g., OpenGL, JACK, Theming? (to be investigated).