/in/calc.cpp:28:23: error: result of comparison against a string literal is unspecified (use strncmp instead) [-Werror,-Wstring-compare]
                if (s == "q")
                      ^  ~~~
1 error generated.
/in/Compile/Makefile:44: recipe for target 'buildCalc' failed
make: *** [buildCalc] Error 1