[MacPorts] #68896: collectd @5.12.0: error: variable 'num_entries' set but not used

[MacPorts]

#68896: collectd @5.12.0: error: variable 'num_entries' set but not used
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  Reporter:  FranklinYu  |      Owner:  neverpanic
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  collectd    |
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Comment (by FranklinYu):

 I noticed that the AUR package has `--disable-werror`:
 https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=collectd#n67

 Maybe it can help?

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Ticket URL: <https://trac.macports.org/ticket/68896#comment:3>
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