[MacPorts] #68175: postgresql15 @15.4: warning about implicit declaration of strchr should be suppressed

[MacPorts]

#68175: postgresql15 @15.4: warning about implicit declaration of strchr should be
suppressed
---------------------------+----------------------
  Reporter:  ryandesign    |      Owner:  dgilman
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:
      Port:  postgresql15  |
---------------------------+----------------------

Comment (by dgilman):

 The configure script here winds up triggering two false positives, one for
 strchr and one when testing for arm crc32c intrinsics on x86. I expect all
 supported releases of postgresql to trigger the warning. But I don't see
 the 'Configuration logfiles' warning in GitHub CI or in the buildbot logs.
 There is evidence in the config.log but for whatever reason MP is not
 giving the warning. I also don't see that warning when configuring
 locally. I agree that they are false positives but I am reluctant to start
 whitelisting things until I can reproduce it locally.

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Ticket URL: <https://trac.macports.org/ticket/68175#comment:1>
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