--- libev/ev.h	2007/11/10 03:13:50	1.47
+++ libev/ev.h	2007/11/11 01:07:35	1.50
@@ -48,6 +48,10 @@
 # define EV_MULTIPLICITY 1
 #endif
 
+#ifndef EV_PERIODICS
+# define EV_PERIODICS 1
+#endif
+
 /* support multiple event loops? */
 #if EV_MULTIPLICITY
 struct ev_loop;
@@ -55,11 +59,15 @@
 # define EV_P_ EV_P,
 # define EV_A loop
 # define EV_A_ EV_A,
+# define EV_DEFAULT_A ev_default_loop (0)
+# define EV_DEFAULT_A_ EV_DEFAULT_A,
 #else
 # define EV_P void
 # define EV_P_
 # define EV_A
 # define EV_A_
+# define EV_DEFAULT_A
+# define EV_DEFAULT_A_
 #endif
 
 /* eventmask, revents, events... */
@@ -272,7 +280,7 @@
 static ev_tstamp
 ev_now ()
 {
-  extern ev_rt_now;
+  extern ev_tstamp ev_rt_now;
 
   return ev_rt_now;
 }
@@ -366,9 +374,11 @@
 /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
 void ev_timer_again    (EV_P_ struct ev_timer *w);
 
+#if EV_PERIODICS
 void ev_periodic_start (EV_P_ struct ev_periodic *w);
 void ev_periodic_stop  (EV_P_ struct ev_periodic *w);
 void ev_periodic_again (EV_P_ struct ev_periodic *w);
+#endif
 
 void ev_idle_start     (EV_P_ struct ev_idle *w);
 void ev_idle_stop      (EV_P_ struct ev_idle *w);