1 files changed, 2 insertions, 0 deletions
diff --git a/misc.c b/misc.c
index 800588af..ad6d8864 100644
--- a/misc.c
+++ b/misc.c
@@ -108,8 +108,10 @@ mysignal(int sig, mysig_t act)
 		memset(&sa, 0, sizeof sa);
 		sigemptyset(&sa.sa_mask);
 		sa.sa_flags = 0;
+#ifdef SA_RESTART
 		if (sig == SIGCHLD)
 			sa.sa_flags |= SA_RESTART;
+#endif
 		sa.sa_handler = act;
 		if (sigaction(sig, &sa, 0) == -1)
 			return (mysig_t) -1;