> +#if defined(__has_builtin) > +# if __has_builtin(__builtin_add_overflow) > +# define RTE_HAVE_BUILTIN_OVERFLOW > +# endif > +#elif defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 5000) > +# define RTE__HAVE_BUILTIN_OVERFLOW
Excessive underline after RTE results in RTE_HAVE_BUILTIN_OVERFLOW not being defined. -- Dmitry Kozlyuk