typedef int (*MethodFunc)();

    void doMethod() {
        static int methodId = 0;

        static const MethodFunc methodFuncs[] = {
    #ifdef METHOD_1_CAN_COMPILE
            method1,
    #endif
            method2,
            ...,
            NULL
        };

        while (methodFuncs[methodId]) {
            int success = (methodFuncs[methodId])();
            if (success)
                return 0;
            methodId++;
        }

        return -1;
    }