From 471dd87b5c37865bb318e85c264698b8f01d10dc Mon Sep 17 00:00:00 2001
From: david gauchard <gauchard@laas.fr>
Date: Mon, 21 Jan 2019 17:32:17 +0100
Subject: [PATCH] hardwareSerial: add missing include (#5648)

Fix #5644, #include <time.h>
---
 cores/esp8266/HardwareSerial.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cores/esp8266/HardwareSerial.h b/cores/esp8266/HardwareSerial.h
index ce9a1c566..9d50be55e 100644
--- a/cores/esp8266/HardwareSerial.h
+++ b/cores/esp8266/HardwareSerial.h
@@ -28,6 +28,7 @@
 #define HardwareSerial_h
 
 #include <inttypes.h>
+#include <time.h>
 #include "Stream.h"
 #include "uart.h"