[MacPorts] #58412: gexiv2 @0.10.9 +python27+python36: Failed to build -- possible type error 'Error'/'GError' in namespace 'Exiv2'

[MacPorts]

#58412: gexiv2 @0.10.9 +python27+python36: Failed to build -- possible type error
'Error'/'GError' in namespace 'Exiv2'
-----------------------+----------------------
  Reporter:  willpush  |      Owner:  dbevans
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.4
Resolution:            |   Keywords:
      Port:  gexiv2    |
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Comment (by fgdb):

 I got to the same problem installing gimp2 (MacPorts 2.5.4, Mojave 10.4.4,
 Xcode 10.2.1 Build version 10E1001)

 First:
 gexiv2 @0.12.0_0+python27+python36
 (patch https://trac.macports.org/attachment/ticket/58412/patch-
 gexiv2-Portfile.diff worked)

 Last one:
 gegl-0.4 @0.4.14 +x11
 Stuck here.

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Ticket URL: <https://trac.macports.org/ticket/58412#comment:9>
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