/in/calc.cpp:43:18: error: variable length arrays are a C99 feature [-Werror,-Wvla-extension]
    int locations[max_possible];
                 ^
/in/calc.cpp:56:13: error: variable length arrays are a C99 feature [-Werror,-Wvla-extension]
    string a[max_possible];
            ^
2 errors generated.
/in/Compile/Makefile:44: recipe for target 'buildCalc' failed
make: *** [buildCalc] Error 1