VS Arduino - ESP32 Compiler Error for IPv6Address

Jan 9^th, 2026 at 12:39pm (UTC)

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VS Arduino › › Recycle Bin › ESP32 Compiler Error for IPv6Address

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ESP32 Compiler Error for IPv6Address (Read 2003 times)

The_Specialist Full Member Offline Posts: 228 Joined: Jul 1^st, 2020	ESP32 Compiler Error for IPv6Address Oct 20^th, 2022 at 5:49pm	Print Post
	Also get an error on this when compiling WiFiSTA.h: 87:5: error: 'IPv6Address' does not name a type; did you mean 'IPAddress'?
	« Last Edit: Oct 20^th, 2022 at 5:56pm by Simon@Visual Micro »

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Simon@Visual Micro Administrator Offline Posts: 2834 Joined: Feb 13^th, 2019	Re: ESP32 Compiler Error for IPv6Address Reply #1 - Oct 20^th, 2022 at 5:57pm	Print Post
	Thanks for the report. Can you enable the options shown at the top of the page and attach the build output. Can you also confirm an example line of code from your sketch giving this error?


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The_Specialist Full Member Offline Posts: 228 Joined: Jul 1^st, 2020	Re: ESP32 Compiler Error for IPv6Address Reply #2 - Oct 24^th, 2022 at 11:11am	Print Post
	Code (C++) #include <WiFiUdp.h> #include <WiFiType.h> #include <WiFiSTA.h> #include <WiFiServer.h> #include <WiFiScan.h> #include <WiFiMulti.h> #include <WiFiGeneric.h> #include <WiFiClient.h> #include <WiFiAP.h> #include <WiFi.h> void setup() { } // the loop function runs over and over again until power down or reset void loop() { const char* user = "me"; const char* pwd = "me"; uint8_t auth = strlen(user) + strlen(pwd); char toEncode[auth + 4]; }

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Simon@Visual Micro Administrator Offline Posts: 2834 Joined: Feb 13^th, 2019	Re: ESP32 Compiler Error for IPv6Address Reply #3 - Oct 24^th, 2022 at 11:42am	Print Post
	Thanks for the report. The IPV6Address.h is brought in by the Wifi.h file, if you move the #include <Wifi.h> to the top of the #includes list this should compile as expected. Reviewing all #includes the only ones that are needed are for Wifi.h, and WifiMulti.h, as the WiFi.h brings in all of the others listed (assuming you will be using the WiFiMulti functionality later in your sketch development). We will look at how the headers are added when using the Add Library functionality to see if this can be avoided in the future with the automatically included headers list.


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The_Specialist Full Member Offline Posts: 228 Joined: Jul 1^st, 2020	Re: ESP32 Compiler Error for IPv6Address Reply #4 - Oct 24^th, 2022 at 11:49am	Print Post
	I was thinking something like this, it is almost with evry lib that the are reversed imported.


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Simon@Visual Micro Administrator Offline Posts: 2834 Joined: Feb 13^th, 2019	Re: ESP32 Compiler Error for IPv6Address Reply #5 - Nov 3^rd, 2022 at 3:36pm	Print Post
	Thanks for the detail around this, we have included a fix in the latest release (22.09.05.13) which should resolve this issue, and is available at the top of the board below: https://www.visualmicro.com/forums/YaBB.pl?board=VS_ARDUINO_EXT_RELEASES


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Tim@Visual Micro Administrator Offline Posts: 12204 Location: United Kingdom Joined: Apr 10^th, 2010	Re: ESP32 Compiler Error for IPv6Address Reply #6 - Dec 22^nd, 2022 at 11:03pm	Print Post
	*This Topic was moved here from Visual Studio 2017, 2019, 2022* [move by] Tim@Visual Micro.**


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