1 files changed, 2 insertions, 0 deletions

diff --git a/misc.c b/misc.c
index 800588af4..ad6d88641 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;