From c8d0470bb0888bcb6719ba536e5f3f6a8b6551bb Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 10 Jul 2023 19:18:48 +0900
Subject: Use `File::NULL` instead of hard coded null device names

---
 lib/mkmf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 20389ed705..cd67645a5d 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2699,7 +2699,7 @@ MESSAGE
   when $mswin
     $nmake = ?m if /nmake/i =~ make
   end
-  $ignore_error = $nmake ? '' : ' 2> /dev/null || true'
+  $ignore_error = $nmake ? '' : " 2> #{File::NULL} || true"
 
   RbConfig::CONFIG["srcdir"] = CONFIG["srcdir"] =
     $srcdir = arg_config("--srcdir", File.dirname($0))
-- 
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