T4 Templates - SubSonic 3 - Running at Build Time

Question

How do you get the SubSonic 3 T4 templates to rerun prior to building in VS2008? I don't have to continually "Run Custom Tool" on each one?

Answer 1

Dupe: http://stackoverflow.com/questions/405560/how-to-get-t4-files-to-build-in-visual-studio

Oleg is the T4 guru, so his answer is probably as good as you'll get.