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-rw-r--r--thread.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/thread.c b/thread.c
index 14a4148..039b858 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))