[MacPorts] #44077: How can I activate old version of dependency in Portfile?

[MacPorts]

#44077: How can I activate old version of dependency in Portfile?
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  Reporter:  harshil.makwana@…  |      Owner:  macports-tickets@…
      Type:  enhancement        |     Status:  closed
  Priority:  Normal             |  Milestone:
 Component:  base               |    Version:  2.3.0
Resolution:  worksforme         |   Keywords:
      Port:                     |
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Comment (by harshil.makwana@…):

 I am regretful to give you late use case.My Use case is "to give the error
 if particular version is not installed during activation and If version is
 installed then activate it".So It's seems like debian package
 installation.

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Ticket URL: <https://trac.macports.org/ticket/44077#comment:6>
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