[MacPorts] #50945: inkscape @0.91: fatal error: 'tr1/functional' file not found

[MacPorts]

#50945: inkscape @0.91: fatal error: 'tr1/functional' file not found
----------------------------------+----------------------
  Reporter:  daniele.tartarini@…  |      Owner:  dbevans
      Type:  defect               |     Status:  assigned
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.3.4
Resolution:                       |   Keywords:
      Port:  inkscape             |
----------------------------------+----------------------

Comment (by danielta):

 I have tried to test but the dependency gtkspell2 returns this error:

 {{{ gtkdoc-mktmpl: command not found}}}


 which sounds similar to:
 https://trac.macports.org/ticket/54755

 how can I overcome this?

--
Ticket URL: <https://trac.macports.org/ticket/50945#comment:8>
MacPorts <https://www.macports.org/>
Ports system for macOS