[MacPorts] #49899: Can't set other graphics library variants than cairo

[MacPorts]

#49899: Can't set other graphics library variants than cairo
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 Reporter:  vsuorant@…  |      Owner:  macports-tickets@…
     Type:  submission  |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.4
 Keywords:              |       Port:  py-matplotlib
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 The default variant cairo is used even when specifying tkinter in the
 command line. The attached Portfile fixes the issue.

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Ticket URL: <https://trac.macports.org/ticket/49899>
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