--- libev/ev.c	2019/12/24 13:24:29	1.516
+++ libev/ev.c	2019/12/24 13:52:58	1.517
@@ -5078,6 +5078,7 @@
   }
 }
 
+#if EV_FORK_ENABLE
 static void
 embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
 {
@@ -5094,6 +5095,7 @@
 
   ev_embed_start (EV_A_ w);
 }
+#endif
 
 #if 0
 static void
@@ -5124,8 +5126,10 @@
   ev_set_priority (&w->prepare, EV_MINPRI);
   ev_prepare_start (EV_A_ &w->prepare);
 
+#if EV_FORK_ENABLE
   ev_fork_init (&w->fork, embed_fork_cb);
   ev_fork_start (EV_A_ &w->fork);
+#endif
 
   /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
 
@@ -5145,7 +5149,9 @@
 
   ev_io_stop      (EV_A_ &w->io);
   ev_prepare_stop (EV_A_ &w->prepare);
+#if EV_FORK_ENABLE
   ev_fork_stop    (EV_A_ &w->fork);
+#endif
 
   ev_stop (EV_A_ (W)w);