module ::RbConfig module Obsolete end class << Obsolete def _warn_ loc, = caller_locations(2, 1) loc = "#{loc.to_s}: " if loc warn "#{loc}Use RbConfig instead of obsolete and deprecated Config." self end def const_missing(name) _warn_ ::RbConfig.const_get(name) end def method_missing(*args, &block) _warn_ rbconfig = ::RbConfig result = rbconfig.__send__(*args, &block) result = rbconfig if rbconfig.equal?(result) result end def respond_to_missing?(*args, &block) _warn_ ::RbConfig.send(:respond_to_missing?, *args, &block) end end end ::Config = ::RbConfig::Obsolete._warn_ =begin def Object.const_missing(name) return super unless name == :Config ::RbConfig::Obsolete._warn_ end =end