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-rw-r--r--thread_pthread.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/thread_pthread.c b/thread_pthread.c
index e6295db3cb..af56f01507 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -185,14 +185,6 @@ native_thread_destroy(rb_thread_t *th)
#define USE_THREAD_CACHE 0
-#if STACK_GROW_DIRECTION
-#define STACK_GROW_DIR_DETECTION
-#define STACK_DIR_UPPER(a,b) STACK_UPPER(0, a, b)
-#else
-#define STACK_GROW_DIR_DETECTION VALUE stack_grow_dir_detection
-#define STACK_DIR_UPPER(a,b) STACK_UPPER(&stack_grow_dir_detection, a, b)
-#endif
-
#if defined HAVE_PTHREAD_GETATTR_NP || defined HAVE_PTHREAD_ATTR_GET_NP
#define STACKADDR_AVAILABLE 1
#elif defined HAVE_PTHREAD_GET_STACKADDR_NP && defined HAVE_PTHREAD_GET_STACKSIZE_NP