Issue #2484 has been updated by Luis Lavena. Thank you for your answer. This requirement is something new. Can you please indicate a link/file where this is being listed? A partial functionality of rake-compiler is the ability to cross compile different versions of Ruby. I would like to update it and point to the proper documentation about the inability to do it anymore. ---------------------------------------- http://redmine.ruby-lang.org/issues/show/2484 ---------------------------------------- http://redmine.ruby-lang.org