[igt-dev] [PATCH i-g-t] lib/hang_detector: Log message if UDEV lib is missing

[Chris Wilson]

Quoting Antonio Argenziano (2018-01-26 18:32:57)
> Log a message saying that hang detector did not start because we are missing
> a library.

I'd vote for making udev an unconditional dependency. error, hotplug,
backlight all depend on uevents, and there are probably more that I
don't know about.
-Chris