From 2b894084eff60a010b0f606c5c9731094358b041 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 17 Nov 2018 01:42:30 +0000
Subject: [PATCH] test/mkmf/base.rb: use CC_WRAPPER same as the toplevel

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65774 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/mkmf/base.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/mkmf/base.rb b/test/mkmf/base.rb
index 3ba3e03387..80dec1421a 100644
--- a/test/mkmf/base.rb
+++ b/test/mkmf/base.rb
@@ -1,5 +1,13 @@
 # frozen_string_literal: false
 $extmk = true
+require 'rbconfig'
+RbConfig.fire_update!("top_srcdir", File.expand_path("../..", __dir__))
+File.foreach(RbConfig::CONFIG["topdir"]+"/Makefile") do |line|
+  if /^CC_WRAPPER\s*=\s*/ =~ line
+    RbConfig.fire_update!('CC_WRAPPER', $'.strip)
+    break
+  end
+end
 
 require 'test/unit'
 require 'mkmf'