include <ESP8266WiFi.h>

[lllwer]

Basic Infos

• [X ] This issue complies with the issue POLICY doc.
• [X ] I have read the documentation at readthedocs and the issue is not addressed there.
• [X ] I have tested that the issue is present in current master branch (aka latest git).
• [X ] I have searched the issue tracker for a similar issue.
• [X ] If there is a stack dump, I have decoded it.
• [X ] I have filled out all fields below.

Platform

• Hardware: [ESP-12|ESP-01|ESP-07|ESP8285 device|other]
• Core Version: [latest git hash or date]
• Development Env: [Arduino IDE|Platformio|Make|other]
• Operating System: [Windows|Ubuntu|MacOS]

Settings in IDE

• Module: [Generic ESP8266 Module|Wemos D1 mini r2|Nodemcu|other]
• Flash Mode: [qio|dio|other]
• Flash Size: [4MB/1MB]
• lwip Variant: [v1.4|v2 Lower Memory|Higher Bandwidth]
• Reset Method: [ck|nodemcu]
• Flash Frequency: [40Mhz]
• CPU Frequency: [80Mhz|160MHz]
• Upload Using: [OTA|SERIAL]
• Upload Speed: [115200|other] (serial upload only)

Problem Description

When I only wrote this statement 'include <ESP8266WiFi.h>', the IDE prompted me with this error .

MCVE Sketch

#include <Arduino.h>

void setup() {

}

void loop() {

}

Debug Messages

Debug messages go here

C:\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.4\libraries\ESP8266WiFi\src\CertStoreBearSSL.cpp: In static member function 'static BearSSL::CertStore::CertInfo BearSSL::CertStore::_preprocessCert(uint32_t, uint32_t, const void*)':
C:\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.4\libraries\ESP8266WiFi\src\CertStoreBearSSL.cpp:25:31: error: 'DEBUG_ESP_PORT' was not declared in this scope
#define DEBUG_BSSL(fmt, ...) DEBUG_ESP_PORT.printf_P((PGM_P)PSTR( "BSSL:" fmt), ## VA_ARGS)
^
C:\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.4\libraries\ESP8266WiFi\src\CertStoreBearSSL.cpp:56:5: note: in expansion of macro 'DEBUG_BSSL'
DEBUG_BSSL("CertStore::_preprocessCert: OOM\n");