From fa7a712d460dc904f8a836bb22b54d457d95ba8e Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 29 Apr 2021 15:03:46 +0200
Subject: Fix -Wundef warnings for HAVE_RB_EXT_RACTOR_SAFE

* See [Feature #17752]
---
 ext/zlib/zlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/zlib/zlib.c')

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 45919202e4..4c5349783b 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -4564,7 +4564,7 @@ zlib_gunzip_run(VALUE arg)
 void
 Init_zlib(void)
 {
-#if HAVE_RB_EXT_RACTOR_SAFE
+#ifdef HAVE_RB_EXT_RACTOR_SAFE
     rb_ext_ractor_safe(true);
 #endif
 
-- 
cgit v1.2.3