- trim Makefile header [2]
- add message to pkg-message that some add-ons require Ruby [2]
- remove dependency on ruby, since it is only needed for some add-ons [1]
while here:
- convert to optionsng
- trim Makefile header from riece-emacs21
PR: 173360
Submitted by: Seiji Ohashi <sayzbrdg@gmail.com> [1],
KIMURA Yasuhiro <yasu@utahime.org> [2] (maintainer)
Feature safe: yes