diff --git a/thread.c b/thread.c index 14a4148c6f..039b858294 100644 --- a/thread.c +++ b/thread.c @@ -145,7 +145,7 @@ static inline void blocking_region_end(rb_thread_t *th, struct rb_blocking_regio } while(0) #ifdef __GNUC__ -#ifdef HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR +#ifdef HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR_CONSTANT_P #define only_if_constant(expr, notconst) __builtin_choose_expr(__builtin_constant_p(expr), (expr), (notconst)) #else #define only_if_constant(expr, notconst) (__builtin_constant_p(expr) ? (expr) : (notconst))