[MacPorts] #55866: Entities and includes not processed in mapnik XML stylesheets

[MacPorts]

#55866: Entities and includes not processed in mapnik XML stylesheets
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 Reporter:  bpanulla  |      Owner:
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  mapnik
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 The current mapnik port version is not properly linking to the full
 libxml2 library, preventing it from handling XML entities or includes in
 stylesheets. What's surprising is that there is *some* XML support
 available, just not the advanced features. This used to work with version
 2 of Mapnik in MacPorts.

 I've attached some sample XML stylesheets that run properly on a Ubuntu
 16.4 box with Mapnik 3.0.9. The examples require the current Mapnik 3
 python bindings, which don't appear to install with the port. I installed
 them from GitHub (https://github.com/mapnik/python-mapnik/tree/v3.0.x)

 Install the Python bindings and execute run.py. The script should generate
 three world maps that match the image files included in the tarball in the
 "expected" directory.

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Ticket URL: <https://trac.macports.org/ticket/55866>
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