netcat needs poll.h portability goop
diff --git a/regress/netcat.c b/regress/netcat.c
index 6be6e05..1a9fc87 100644
--- a/regress/netcat.c
+++ b/regress/netcat.c
@@ -46,7 +46,6 @@
#include <errno.h>
#include <netdb.h>
-#include <poll.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@@ -56,6 +55,14 @@
#include <limits.h>
#include "atomicio.h"
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#else
+# ifdef HAVE_SYS_POLL_H
+# include <sys/poll.h>
+# endif
+#endif
+
#ifndef SUN_LEN
#define SUN_LEN(su) \
(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))