Excerpts from Dougal Stanton's message of Tue Sep 23 06:09:58 -0500 2008:
> That should happen automatically with cabal-install if the version
> number in the .cabal file has changed.
>
> There doesn't seem to be a good way of forcing cabal-install to
> recreate a build (eg, if you want to rebuild/reinstall with
> profiling). I think you need to unregister the package manually first.
> :-(
>
With cabal-install 0.5.2, you simply have to pass the '--reinstall'
flag to the 'install' command and it will reconfigure, rebuild and
reinstall the packages with whatever flags you specify.
Austin