[MacPorts] #42064: py-pil @1.1.7_7 Add +tk variant to allow for no-x11 builds

[MacPorts]

#42064: py-pil @1.1.7_7 Add +tk variant to allow for no-x11 builds
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  Reporter:  danudey@…    |      Owner:  jmr@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.2.1
Resolution:               |   Keywords:
      Port:  py-pil       |
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Comment (by danudey@…):

 Ah, so removing the dependency removes the installing of tk, but still
 builds against it if it exists. That's a good point. I'll see if I can
 figure out how to change that with the package's build system.

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Ticket URL: <https://trac.macports.org/ticket/42064#comment:4>
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