I have a (64-bit) Ubuntu installed using the WSL Compatibility Libraries for 32 bit are installed, GUI applications can be executed.
I have succeeded in satisfying most of the requirements listed at this page.
However I have failed to locate any source for the file xdg-shell.h, which is listed as include in the file 'gfx_system_wayland.c'.
According to the notation in the source file, I'd expect that the file is part of the distribution, but it is not.
How can I build/run an EmWi application under 64bit Ubuntu 22.04?