- Update port to 21.4.17 "Jumbo Shrimp".
- Sync up Motif selection algorithm with xemacs21-mule port.
- Remove GTK support for now, it was commented out and it does not work well.
- General Makefile cleanup
- Unbreak on sparc64
PR: ports/77291
Submitted by: Pawel Worach <pawel.worach(at)telia.com>