[MacPorts] #55528: py27-cython @0.27.3 built on Mac OS X 10.5.8, Leopard, stops py27-cryptography, py27-pynacl, nghttp2 from building

[MacPorts]

#55528: py27-cython @0.27.3 built on Mac OS X 10.5.8, Leopard, stops
py27-cryptography, py27-pynacl, nghttp2 from building
--------------------------+---------------------
  Reporter:  ballapete    |      Owner:
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.4.2
Resolution:               |   Keywords:  leopard
      Port:  py27-cython  |
--------------------------+---------------------

Comment (by ballapete):

 Something similar is with the ports `py-libxml2` and/or `py27-libxml2`. I
 had to rebuild them bothfrom source in order to be able to upgrade `gtk-
 doc`.

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Ticket URL: <https://trac.macports.org/ticket/55528#comment:3>
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