From 7e67a084b6d298caa061b9e257cdc5a688bb7990 Mon Sep 17 00:00:00 2001
From: Jason2866 <24528715+Jason2866@users.noreply.github.com>
Date: Wed, 20 Sep 2023 12:53:59 +0200
Subject: [PATCH] include ctime

without compile will fail with newer GCC version.
---
 cores/esp32/HardwareSerial.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cores/esp32/HardwareSerial.cpp b/cores/esp32/HardwareSerial.cpp
index 58f740b14c0..6eeeced0e95 100644
--- a/cores/esp32/HardwareSerial.cpp
+++ b/cores/esp32/HardwareSerial.cpp
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
+#include <ctime>
 
 #include "pins_arduino.h"
 #include "HardwareSerial.h"