From dcfc0bca133b0560422fdb08e683a20af6966ff8 Mon Sep 17 00:00:00 2001
From: rob-the-dude <43481893+rob-the-dude@users.noreply.github.com>
Date: Mon, 9 Mar 2020 09:15:37 -0700
Subject: [PATCH] [posix] NetBSD is also missing util.h (#4651)

---
 src/posix/platform/hdlc_interface.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/posix/platform/hdlc_interface.cpp b/src/posix/platform/hdlc_interface.cpp
index 96ae4cfe6..d4d7221f2 100644
--- a/src/posix/platform/hdlc_interface.cpp
+++ b/src/posix/platform/hdlc_interface.cpp
@@ -39,7 +39,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #if OPENTHREAD_CONFIG_POSIX_APP_ENABLE_PTY_DEVICE
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__NetBSD__)
 #include <util.h>
 #else
 #include <pty.h>