How to convert warning C4715 to error

Question

I am building cpp files using msys Make.exe , and getting the below warning c:\\ankit_cc\\wm2015git\\wm-cpp\\base\\wmautomator\\base\\wmautomator.cpp(1047) : warning C4715: 'WMAutomator::fetchSerialNumbersBasedOnLpn' : not all control paths return a value ;

I want to make this above warning to error . Please suggest .

Answer 1

Two ways of doing this

• #pragma warning (error : 4715)

http://msdn.microsoft.com/en-us/library/2c8f766e.aspx

• Compiling with /we4715 option passed to cl.exe

http://msdn.microsoft.com/en-us/library/thxezb7y.aspx

Answer 2

Pass

/we4715

to the compiler in your makefile.