How to suppress this warning " empty expression statement has no effect; remove unnecessary ';' to silence this warning [-Wextra-semi-stmt]"

Hi, I am using Keil uVision V5.37.0.0 and compiler version is 6.18, I am getting tons of above warnings in different files with this version of uVision, the same was built without any warnings on previous...
warnings

upon building my application in keil I get following warning *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
warnings

upon building my application in keil I get following warning *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
Linker Warning

Greetings, Within my serial receive interrupt routine I'm getting a linker warning dealing with a printf statement. My code and the warning are shown below: void serial_int() interrupt 4...
Warning: L6776W:

program crashs in debugging and it doesn't run to main !! linking... .\Objects\ELKREM.axf: Warning: L6776W: The debug frame in .debug_frame(spark_wiring_string.o) does not describe an executable...