scripts: exit with 77 if python-libevdev is missing

This way we pass make check/ninja test even where the module is not available

See xorg/proto/xorgproto!31 (comment 879823)

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
9 jobs for wip/skip-python-libevdev in 2 minutes and 10 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Prep
passed #8925584
container-prep

00:00:20

 
  Check
passed #8925586
check formatting

00:00:09

 
  Build
passed #8925591
autotools: []

00:00:36

passed #8925593
autotools: [--enable-legacy]

00:00:51

passed #8925588
meson: []

00:00:10

passed #8925589
meson: [-Dlegacy=true]

00:00:12

 
  Test
passed #8925598
check evdev keysyms

00:00:35

passed #8925597
compare meson and autotools

00:00:48

passed #8925595
meson from tarball

00:00:38