undefined reference to 'gmtime_r' in Stream.h and AWSWebSocketClient.h

Question

undefined reference to 'gmtime_r' in Stream.h and AWSWebSocketClient.h

dy-le opened this issue 6 years ago · comments

i was trying to run examples and when i tried to compile this error occurred. What could possible be the cause of this error and how to fix it?

Arduino: 1.8.5 (Windows Store 1.8.10.0) (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, 40MHz, DIO, 115200, 512K (64K SPIFFS), ck, Disabled, None"

Build options changed, rebuilding all
Archiving built core (caching) in: C:\Users\lpxed\AppData\Local\Temp\arduino_cache_110068\core\core_esp8266_esp8266_generic_CpuFrequency_80,FlashFreq_40,FlashMode_dio,UploadSpeed_115200,FlashSize_512K64,ResetMethod_ck,Debug_Disabled,DebugLevel_None_____58eaac4747090ff4d9dbc37c18df4663.a
libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o: In function `AWSWebSocketClient::ntpFixNumber(int)':

C:\Users\lpxed\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/Stream.h:93: undefined reference to `gmtime_r'

libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o:(.text._ZN18AWSWebSocketClient17getCurrentTimeNTPEv+0x33): undefined reference to `gmtime_r'

libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o: In function `AWSWebSocketClient::getCurrentTimeNTP()':

C:\Users\lpxed\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/Stream.h:93: undefined reference to `gmtime_r'

collect2.exe: error: ld returned 1 exit status

exit status 1
Error compiling for board Generic ESP8266 Module.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

Fábio Toledo · Answer 1 · Mon Aug 27 2018 03:03:51 GMT+0800 (China Standard Time)

do you have a time.h in your project besides the one that comes with ESP sdk? are you using the lastest version of ESP sdk? 2.4.2

…

On Sun, Aug 26, 2018 at 4:53 AM daemon-Lee ***@***.***> wrote: i was trying to run examples and when i tried to compile this error occurred `Arduino: 1.8.5 (Windows Store 1.8.10.0) (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, 40MHz, DIO, 115200, 512K (64K SPIFFS), ck, Disabled, None" Build options changed, rebuilding all Archiving built core (caching) in: C:\Users\lpxed\AppData\Local\Temp\arduino_cache_110068\core\core_esp8266_esp8266_generic_CpuFrequency_80,FlashFreq_40,FlashMode_dio,UploadSpeed_115200,FlashSize_512K64,ResetMethod_ck,Debug_Disabled,DebugLevel_None_____58eaac4747090ff4d9dbc37c18df4663.a libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o: In function `AWSWebSocketClient::ntpFixNumber(int)': C:\Users\lpxed\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/Stream.h:93: undefined reference to `gmtime_r' libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o:(.text._ZN18AWSWebSocketClient17getCurrentTimeNTPEv+0x33): undefined reference to `gmtime_r' libraries\aws-mqtt-websockets-master\AWSWebSocketClient.cpp.o: In function `AWSWebSocketClient::getCurrentTimeNTP()': C:\Users\lpxed\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/Stream.h:93: undefined reference to `gmtime_r' collect2.exe: error: ld returned 1 exit status exit status 1 Error compiling for board Generic ESP8266 Module. This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences. ` — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#45>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AE34Dpg56g5TmUU_yyvorPIjVjHeZ_3kks5uUlP_gaJpZM4WMsAN> .