--- libev/Changes	2020/07/30 00:59:36	1.368
+++ libev/Changes	2021/05/19 06:15:50	1.369
@@ -3,6 +3,7 @@
 TODO: for next ABI/API change, consider moving EV__IOFDSSET into io->fd instead and provide a getter.
 TODO: document EV_TSTAMP_T
 
+	- libev did not compile on systems lacking clock_gettime.
 	- due to a logic bug, timerfd availability did not always translate
           into fewer wakeups - libev is now more aggressive in using
           longer sleeps, even when timerfd is not in use.