Log message:
Drop superfluous PKG_DESTDIR_SUPPORT, "user-destdir" is default these days.
Mark packages that don't or might probably not have staged installation.

Log message:
Import py26-fxrays-1.0 as wip/fxrays.

A small, fast C implementation of an algorithm for finding extremal rays
of polyhedral cones with filtering. It is intended to be used to find
embedded normal surfaces in triangulated 3-manifolds