On 31 Dec 2003, Greg Troxel wrote:

> So, it would be cool if make replace could diff the PLISTs, and if
> there is an 'old' .so version, create a new splinter package
> registration of just those files, and change the dependencies of all
> depending packages to include both the new splinter package and the
> replacement package.

Frederick Bruckman's pkg_hack does that. (Search for that at NetBSD
search.)

(By the way, I have also had bad experiences with portupgrade.)

   Jeremy C. Reed
   http://bsd.reedmedia.net/