user@debian:~/urn$ strace ./urn-gtk 2>&1 | grep schema
openat(AT_FDCWD, "/usr/share/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = 10
openat(AT_FDCWD, "/usr/local/share/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/var/lib/flatpak/exports/share/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/user/.local/share/flatpak/exports/share/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/mate/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/user/.local/share/glib-2.0/schemas/gschemas.compiled", O_RDONLY) = -1 ENOENT (No such file or directory)
(urn-gtk:71722): GLib-GIO-ERROR **: 16:49:00.909: Settings schema 'wildmouse.urn' is not installed
user@debian:~/urn$
Just after compiling, it crashes:
I used the version from master branch at commit 246a7a642fa7a673166c1bd281585d0fc22e75b2