name : compatibility.rb # frozen_string_literal: true # :stopdoc: #-- # This file contains all sorts of little compatibility hacks that we've # had to introduce over the years. Quarantining them into one file helps # us know when we can get rid of them. # # Ruby 1.9.x has introduced some things that are awkward, and we need to # support them, so we define some constants to use later. #++ # TODO remove at RubyGems 4 module Gem RubyGemsVersion = VERSION deprecate_constant(:RubyGemsVersion) RbConfigPriorities = %w[ MAJOR MINOR TEENY EXEEXT RUBY_SO_NAME arch bindir datadir libdir ruby_install_name ruby_version rubylibprefix sitedir sitelibdir vendordir vendorlibdir rubylibdir ].freeze unless defined?(ConfigMap) ## # Configuration settings from ::RbConfig 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] end end end