[MacPorts] #49109: port modifications required by making qt4-mac co-installable with Qt5

[MacPorts]

#49109: port modifications required by making qt4-mac co-installable with Qt5
--------------------------+----------------------
  Reporter:  RJVB         |      Owner:  mkae
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:               |
--------------------------+----------------------

Comment (by mkae):

 In [changeset:"6982d654f53f45585e157ece80ee3ed698cc5d33/macports-ports"
 6982d65/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="6982d654f53f45585e157ece80ee3ed698cc5d33"
 py-pyqt4: fix for the depends_lib reset caused by the Python PortGroup

 See also: https://trac.macports.org/ticket/49109
 }}}

--
Ticket URL: <https://trac.macports.org/ticket/49109#comment:26>
MacPorts <https://www.macports.org/>
Ports system for macOS