[MacPorts] #61511: wireshark3 @3.4.0_0+cares+chmodbpf+geoip+gnutls+kerberos5+libsmi+python37+qt5+zlib: error: use of undeclared identifier 'CLOCK_REALTIME'

[MacPorts]

#61511: wireshark3
@3.4.0_0+cares+chmodbpf+geoip+gnutls+kerberos5+libsmi+python37+qt5+zlib:
error: use of undeclared identifier 'CLOCK_REALTIME'
-------------------------+----------------------------------
  Reporter:  thetrial    |      Owner:  ghosthound
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.4
Resolution:              |   Keywords:  legacy-os, elcapitan
      Port:  wireshark3  |
-------------------------+----------------------------------

Comment (by ghosthound):

 I don't have an El Capitan (10.11) system to dev/test with.  If someone
 does and wants to look into this please let me know.

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Ticket URL: <https://trac.macports.org/ticket/61511#comment:4>
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