I am asked to type in the system admin user name and password when I compile my Xcode project. The whole message is
Mac OS X wants to make changes. Ty
I followed a solution similar to what @krafter did but, instead of giving access to everything in the system keychain, I only needed to give add xcode to the provisioning profile under keychain -> system -> "your provision profile" -> get info -> Access Control then just added xcode. This is what worked for 4.6