From 217cea78129174bc964a94e4df547ead0d2f526a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 31 Mar 2022 12:11:30 +0900
Subject: [PATCH] [ruby/psych] Remove `unknown` vendor for cross-compiling tool
 prefix

https://github.com/ruby/psych/commit/a4ffa06646
---
 ext/psych/extconf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/psych/extconf.rb b/ext/psych/extconf.rb
index 5c936c32b4..f7e610ce88 100644
--- a/ext/psych/extconf.rb
+++ b/ext/psych/extconf.rb
@@ -41,7 +41,7 @@ if yaml_source
   Dir.mkdir(yaml) unless File.directory?(yaml)
   unless system(yaml_configure, "-q",
                 "--enable-#{$enable_shared || !$static ? 'shared' : 'static'}",
-                "--host=#{RbConfig::CONFIG['host']}",
+                "--host=#{RbConfig::CONFIG['host'].sub(/-unknown-/, '-')}",
                 *(["CFLAGS=-w"] if RbConfig::CONFIG["GCC"] == "yes"),
                 chdir: yaml)
     raise "failed to configure libyaml"