[MacPorts] #64197: nvi @1.81.6_6 build failure: implicit declaration of function 'conv_enc'

[MacPorts]

#64197: nvi @1.81.6_6 build failure: implicit declaration of function 'conv_enc'
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  Reporter:  rdprdprdp  |      Owner:  (none)
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:  catalina bigsur monterey
      Port:  nvi        |
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Comment (by ryandesign):

 Replying to [comment:3 bK4gYuRo]:
 > 'conv_enc' problem can be circumvented (I don't claim 'fixed') by using
 -Wno-implicit-function-declaration as homebrew does

 These errors need to be fixed properly, not suppressed; see
 WimplicitFunctionDeclaration.

 I'll see if I can do something to fix this port.

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Ticket URL: <https://trac.macports.org/ticket/64197#comment:6>
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