From 1c3d6d6cc905dc9f0a84eb2a3bf885cccbcd6225 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 26 Nov 2021 20:52:00 +0900
Subject: mkmf: MakeMakefile#xpopen may be passed an option hash

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

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index c9eac56702..f4ad2070a0 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -412,7 +412,7 @@ MESSAGE
   def xpopen command, *mode, &block
     Logging::open do
       case mode[0]
-      when nil, /^r/
+      when nil, Hash, /^r/
         puts "#{command} |"
       else
         puts "| #{command}"
-- 
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