[MacPorts] #62794: py-grpcio: error: use of undeclared identifier 'strnlen'

[MacPorts]

#62794: py-grpcio: error: use of undeclared identifier 'strnlen'
-------------------------+--------------------------
  Reporter:  ryandesign  |      Owner:  emcrisostomo
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.4
Resolution:              |   Keywords:  snowleopard
      Port:  py-grpcio   |
-------------------------+--------------------------
Changes (by ryandesign):

 * owner:  (none) => emcrisostomo
 * keywords:   => snowleopard
 * status:  new => assigned


Comment:

 The grpc port already includes the legacysupport 1.1 portgroup (without a
 comment that tells us why) which should provide the implementation of
 `strnlen` so perhaps the legacysupport flags are not getting to the build
 for some reason.

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Ticket URL: <https://trac.macports.org/ticket/62794#comment:2>
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