[MacPorts] #51386: Remove JRuby dependency on Kaffe

[MacPorts]

#51386: Remove JRuby dependency on Kaffe
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 Reporter:  uri@…    |      Owner:  macports-tickets@…
     Type:  request  |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.3.4
 Keywords:           |       Port:  jruby
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 My installation does not use Kaffe, but Oracle JDK. Your JRuby port
 appears to require kaffe. I don't want Kaffe because it would interfere
 with my other running stuff.

 Therefore I'm asking for an option, a variant, whatever - of a JRuby port
 that would either discover JDK installation on its own, or accept variant
 name from the user and take on faith that the user chooses to install this
 variant only if/when he has Oracle JDK already installed.

 Thank you!

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Ticket URL: <https://trac.macports.org/ticket/51386>
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