[MacPorts] #56638: p5-tkx doesn't depend on or use tk port

[MacPorts]

#56638: p5-tkx doesn't depend on or use tk port
----------------------------+----------------------
  Reporter:  chrstphrchvz   |      Owner:  mojca
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.5.2
Resolution:                 |   Keywords:
      Port:  p5-tkx p5-tcl  |
----------------------------+----------------------

Comment (by chrstphrchvz):

 I've also tried setting `--tclsh ${prefix}/bin/tclsh` but that has made no
 difference as well.
 {{{
 $ perl5.26 -e 'use Tcl; print Tcl->new->Eval("puts \$tcl_version")'
 8.5
 }}}
 I do think it's probably a good idea to have `--tclsh` and `--tclconfig`
 specified anyways to make sure nothing else gets used by accident.

-- 
Ticket URL: <https://trac.macports.org/ticket/56638#comment:5>
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