[MacPorts] #39886: Make depends_run yelp a variant for gnome apps?

[MacPorts]

#39886: Make depends_run yelp a variant for gnome apps?
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  Reporter:  c.herbig@…   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  yelp         |
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Comment (by c.herbig@…):

 I would like to cite #39880 as a reason that I believe supplementary
 programs like yelp should not be made dependencies when the main port is
 not technically dependent on them.  User frustration leads people to
 simply give up on the software altogether.

 Perhaps it would be better for MacPorts to adopt a 'recommends' or
 'optional' metadata for portfiles, for the purpose of listing these
 optional but useful additional programs like yelp.  This seems to be what
 certain linux distributions like archlinux do.

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Ticket URL: <https://trac.macports.org/ticket/39886#comment:6>
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