+src_tincd += files(
+ 'device.c',
+ 'event.c',
+)
+
+dep_libsystemd = dependency('libsystemd', required: opt_systemd)
+if dep_libsystemd.found()
+ src_tincd += files('watchdog.c')
+ deps_tincd += dep_libsystemd
+ cdata.set('HAVE_WATCHDOG', 1)
+endif