libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp.o: In function AWSWebSocketClient::ntpFixNumber(int)': /Users/sunil/Documents/Arduino/libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp:526: undefined reference togmtime_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 functionAWSWebSocketClient::getCurrentTimeNTP()':
/Users/sunil/Documents/Arduino/libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp:526: undefined reference to `gmtime_r'
collect2: error: ld returned 1 exit status
exit status 1
libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp.o: In function
AWSWebSocketClient::ntpFixNumber(int)': /Users/sunil/Documents/Arduino/libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp:526: undefined reference to
gmtime_r' libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp.o:(.text._ZN18AWSWebSocketClient17getCurrentTimeNTPEv+0x33): undefined reference togmtime_r' libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp.o: In function
AWSWebSocketClient::getCurrentTimeNTP()': /Users/sunil/Documents/Arduino/libraries/aws-mqtt-websockets-master/AWSWebSocketClient.cpp:526: undefined reference to `gmtime_r' collect2: error: ld returned 1 exit status exit status 1