0
@@ -356,7 +356,12 @@ module ActionController #:nodoc:
0
 
0
     # If you are deploying to a subdirectory, you will need to set
0
     # <tt>config.action_controller.relative_url_root</tt>
0
-    class_inheritable_accessor :relative_url_root
0
+    # This defaults to ENV['RAILS_RELATIVE_URL_ROOT']
0
+    cattr_writer :relative_url_root
0
+
0
+    def self.relative_url_root
0
+      @@relative_url_root || ENV['RAILS_RELATIVE_URL_ROOT']
0
+    end
0
 
0
     # Holds the request object that's primarily used to get environment variables through access like
0
     # <tt>request.env["REQUEST_URI"]</tt>.