From c4f7c260f995778a40c6fc15107090fdb51d49a8 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Wed, 31 Jul 2019 11:46:09 +0800
Subject: [PATCH] [rubygems/rubygems] Make deprecate Gem::RubyGemsVersion and
 Gem::ConfigMap.

https://github.com/rubygems/rubygems/commit/1133c2f700
---
 lib/rubygems/compatibility.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/rubygems/compatibility.rb b/lib/rubygems/compatibility.rb
index 9238deee72..f1d452ea04 100644
--- a/lib/rubygems/compatibility.rb
+++ b/lib/rubygems/compatibility.rb
@@ -13,6 +13,7 @@
 # TODO remove at RubyGems 4
 module Gem
   RubyGemsVersion = VERSION
+  deprecate_constant(:RubyGemsVersion)
 
   RbConfigPriorities = %w[
     MAJOR
@@ -29,6 +30,7 @@ module Gem
     ConfigMap = Hash.new do |cm, key|
       cm[key] = RbConfig::CONFIG[key.to_s]
     end
+    deprecate_constant(:ConfigMap)
   else
     RbConfigPriorities.each do |key|
       ConfigMap[key.to_sym] = RbConfig::CONFIG[key]