[MacPorts] #62699: poco: Add universal variant

[MacPorts]

#62699: poco: Add universal variant
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 Reporter:  ryandesign   |      Owner:  arjanvandervelde
     Type:  enhancement  |     Status:  assigned
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  poco
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 poco doesn't have a universal variant, and it would be nice if it had one.

 Switching to cmake as requested in #60129 might be a way to accomplish
 that.

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Ticket URL: <https://trac.macports.org/ticket/62699>
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