[GH-ISSUE #971] can't compile with esp8266 v2.6.1

Originally created by @hznupeter on GitHub (Nov 17, 2019). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/971 ### Basic Infos #### Hardware **WiFimanager Branch/Release:** - [x] Master - [ ] Development **Esp8266/Esp32:** - [x] ESP8266 - [ ] ESP32 **Hardware: ESP-12e, esp01, esp25** - [ ] ESP01 - [x] ESP12 E/F/S (nodemcu, wemos, feather) - [ ] Other **ESP Core Version: 2.4.0, staging** - [ ] 2.3.0 - [ ] 2.4.0 - [ ] staging (master/dev) - [x]2.6.1 ### Description Problem description can't compile with esp8266 2.6.0 and 2.6.1 ### Settings in IDE Module: NodeMcu, Wemos D1 Additional libraries: ### Sketch Example:AutoConnect ```cpp #include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino //needed for library #include <DNSServer.h> #include <ESP8266WebServer.h> #include <WiFiManager.h> //https://github.com/tzapu/WiFiManager void setup() { // put your setup code here, to run once: Serial.begin(115200); //WiFiManager //Local intialization. Once its business is done, there is no need to keep it around WiFiManager wifiManager; //reset saved settings //wifiManager.resetSettings(); //set custom ip for portal //wifiManager.setAPStaticIPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0)); //fetches ssid and pass from eeprom and tries to connect //if it does not connect it starts an access point with the specified name //here "AutoConnectAP" //and goes into a blocking loop awaiting configuration wifiManager.autoConnect("AutoConnectAP"); //or use this for auto generated name ESP + ChipID //wifiManager.autoConnect(); //if you get here you have connected to the WiFi Serial.println("connected...yeey :)"); } void loop() { // put your main code here, to run repeatedly: } ``` ### Debug Messages ``` In file included from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/sys/stdio.h:6:0, from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/stdio.h:63, from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\cores\esp8266/Arduino.h:32, from sketch\AutoConnect.ino.cpp:1: D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/sys/pgmspace.h:25:130: error: 'const char HTTP_HEAD []' redeclared as different kind of symbol #define PROGMEM __attribute__((section( "\".irom.text." __FILE__ "." __STRINGIZE(__LINE__) "." __STRINGIZE(__COUNTER__) "\""))) D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager/WiFiManager.h:25:24: note: in expansion of macro 'PROGMEM' const char HTTP_HEAD[] PROGMEM = "<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\" name=\"viewport\" content=\"width=device-width, initial-scale=1, user-scalable=no\"/><title>{v}</title>"; ^ In file included from D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager\examples\AutoConnect\AutoConnect.ino:5:0: D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WebServer\src/ESP8266WebServer.h:33:39: error: previous declaration of 'HTTPMethod HTTP_HEAD' enum HTTPMethod { HTTP_ANY, HTTP_GET, HTTP_HEAD, HTTP_POST, HTTP_PUT, HTTP_PATCH, HTTP_DELETE, HTTP_OPTIONS }; ^ "WiFiManager.h" 对应多个库已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager "ESP8266WiFi.h" 对应多个库已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WiFi "DNSServer.h" 对应多个库已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\DNSServer "ESP8266WebServer.h" 对应多个库已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WebServer exit status 1 为开发板 WeMos D1 R1 编译时出错。 ```

kerem commented

2026-02-28 01:27:13 +03:00

Owner

Originally created by @hznupeter on GitHub (Nov 17, 2019).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/971

Basic Infos

Hardware

WiFimanager Branch/Release:

Master
Development

Esp8266/Esp32:

ESP8266
ESP32

Hardware: ESP-12e, esp01, esp25

ESP01
ESP12 E/F/S (nodemcu, wemos, feather)
Other

ESP Core Version: 2.4.0, staging

2.3.0
2.4.0
staging (master/dev)
2.6.1

Description

Problem description
can't compile with esp8266 2.6.0 and 2.6.1

Settings in IDE

Module: NodeMcu, Wemos D1

Additional libraries:

Sketch

Example:AutoConnect

#include <ESP8266WiFi.h>          //https://github.com/esp8266/Arduino
//needed for library
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h>         //https://github.com/tzapu/WiFiManager
void setup() {
    // put your setup code here, to run once:
    Serial.begin(115200);
    //WiFiManager
    //Local intialization. Once its business is done, there is no need to keep it around
    WiFiManager wifiManager;
    //reset saved settings
    //wifiManager.resetSettings();
    //set custom ip for portal
    //wifiManager.setAPStaticIPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
    //fetches ssid and pass from eeprom and tries to connect
    //if it does not connect it starts an access point with the specified name
    //here  "AutoConnectAP"
    //and goes into a blocking loop awaiting configuration
    wifiManager.autoConnect("AutoConnectAP");
    //or use this for auto generated name ESP + ChipID
    //wifiManager.autoConnect();
    //if you get here you have connected to the WiFi
    Serial.println("connected...yeey :)");
}
void loop() {
    // put your main code here, to run repeatedly:
}

Debug Messages

In file included from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/sys/stdio.h:6:0,
                 from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/stdio.h:63,
                 from D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\cores\esp8266/Arduino.h:32,
                 from sketch\AutoConnect.ino.cpp:1:
D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1/tools/sdk/libc/xtensa-lx106-elf/include/sys/pgmspace.h:25:130: error: 'const char HTTP_HEAD []' redeclared as different kind of symbol
   #define PROGMEM __attribute__((section( "\".irom.text." __FILE__ "." __STRINGIZE(__LINE__) "."  __STRINGIZE(__COUNTER__) "\"")))                                                                                                                    
D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager/WiFiManager.h:25:24: note: in expansion of macro 'PROGMEM'
 const char HTTP_HEAD[] PROGMEM            = "<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\" name=\"viewport\" content=\"width=device-width, initial-scale=1, user-scalable=no\"/><title>{v}</title>";
                        ^
In file included from D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager\examples\AutoConnect\AutoConnect.ino:5:0:
D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WebServer\src/ESP8266WebServer.h:33:39: error: previous declaration of 'HTTPMethod HTTP_HEAD'
 enum HTTPMethod { HTTP_ANY, HTTP_GET, HTTP_HEAD, HTTP_POST, HTTP_PUT, HTTP_PATCH, HTTP_DELETE, HTTP_OPTIONS };
                                       ^
"WiFiManager.h" 对应多个库
 已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\sketchbook\libraries\WiFiManager
"ESP8266WiFi.h" 对应多个库
 已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WiFi
"DNSServer.h" 对应多个库
 已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\DNSServer
"ESP8266WebServer.h" 对应多个库
 已使用： D:\GitHub\Mixly1.0_WIN\arduino\portable\packages\esp8266\hardware\esp8266\2.6.1\libraries\ESP8266WebServer
exit status 1
为开发板 WeMos D1 R1 编译时出错。

kerem closed this issue

Author

@tihoangyeudau commented on GitHub (Nov 17, 2019):

WIFIMANAGER_DEV STILL WORKS WELL WITH 2.6.1. YOU SHOULD TRY OTHER CODE

@tihoangyeudau commented on GitHub (Nov 17, 2019): WIFIMANAGER_DEV STILL WORKS WELL WITH 2.6.1. YOU SHOULD TRY OTHER CODE

@tablatronix commented on GitHub (Nov 17, 2019):

https://github.com/tzapu/WiFiManager/releases/tag/0.15.0-beta

@tablatronix commented on GitHub (Nov 17, 2019): https://github.com/tzapu/WiFiManager/releases/tag/0.15.0-beta

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[GH-ISSUE #971] can't compile with esp8266 v2.6.1 #824