There have been very many requests in the -dev mailing list to make portage into a portable package, which can be used in other distributions of Linux (and, perhaps, other platforms, such as Solaris). I'm opening this bug so that this request could be tracked.
Created attachment 714 [details] steps to use portage in redhat still not complete, but will get you started
Work underway.... but this isn't the place to track development.