"Non-blocking GPIO Interrupts with callback mechanism" feature requires pthreads. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Missing from previous commit. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
[Peter: fix help text, doesn't need fork, file header, license tags] Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>