[MacPorts] #54683: Qalculate version update to 2.0.0

[MacPorts]

#54683: Qalculate version update to 2.0.0
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  Reporter:  kencu                       |      Owner:  jjstickel
      Type:  update                      |     Status:  assigned
  Priority:  Normal                      |  Milestone:
 Component:  ports                       |    Version:
Resolution:                              |   Keywords:
      Port:  libqalculate qalculate-gtk  |
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Comment (by jjstickel):

 Yes, I see some dependencies and perhaps the build process has changed
 upstream. It might take me awhile to find time to sort it out. Please
 share your working Portfile (or patch); that would help me get started.

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Ticket URL: <https://trac.macports.org/ticket/54683#comment:2>
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