AC_CHECK_FUNCS([getclock getrusage times])
AC_CHECK_FUNCS([_chsize ftruncate])
-AC_CHECK_FUNCS([epoll_create1 epoll_ctl eventfd kevent kevent64 kqueue poll])
+AC_CHECK_FUNCS([epoll_ctl eventfd kevent kevent64 kqueue poll])
# event-related fun
FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
FPTOOLS_CHECK_HTYPE(clock_t)
FPTOOLS_CHECK_HTYPE(time_t)
+FPTOOLS_CHECK_HTYPE(useconds_t)
+FPTOOLS_CHECK_HTYPE(suseconds_t)
FPTOOLS_CHECK_HTYPE(dev_t, Word32)
FPTOOLS_CHECK_HTYPE(ino_t)
FPTOOLS_CHECK_HTYPE(mode_t)