p4raw-id: //depot/perl@19772
if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
#endif
-#ifdef SA_NOCLDWAIT && !defined(BSDish) /* See [perl #18849] */
+#if defined(SA_NOCLDWAIT) && !defined(BSDish) /* See [perl #18849] */
if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN)
act.sa_flags |= SA_NOCLDWAIT;
#endif