That's exactly why you shouldn't use individual packages, but only trust repositories. And this is a repository job to sort package by distribution target.
You don't have to tell me that. You have to tell that to thousands of RedHat converts who don't know about urpmi or contrib repositories.
Austin -- Austin Acton Synthetic Organic Chemist, Teaching Assistant, Ph.D. Candidate Department of Chemistry, York University, Toronto MandrakeLinux Volunteer Developer, homepage: www.groundstate.ca