[MacPorts] #16574: Portfiles need to be able to declare a dependency on a base version

[MacPorts]

#16574: Portfiles need to be able to declare a dependency on a base version
-------------------------------+--------------------------------
  Reporter:  macosforge.org@…  |      Owner:  macports-tickets@…
      Type:  enhancement       |     Status:  new
  Priority:  Normal            |  Milestone:  MacPorts Future
 Component:  base              |    Version:  1.6.0
Resolution:                    |   Keywords:
      Port:                    |
-------------------------------+--------------------------------

Comment (by cal@…):

 r134511 introduced `macports_version`, which allows ports to check for
 their base version. Not exactly the same, but a step in the right
 direction.

-- 
Ticket URL: <https://trac.macports.org/ticket/16574#comment:5>
MacPorts <https://www.macports.org/>
Ports system for OS X