[MacPorts] #60936: unbound @1.11.0 does not build on PPC Tiger, Mac OS X 10.4.11, because of error: 'IPV6_TCLASS' undeclared

[MacPorts]

#60936: unbound @1.11.0 does not build on PPC Tiger, Mac OS X 10.4.11, because of
error: 'IPV6_TCLASS' undeclared
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  kencu
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.3
Resolution:  fixed      |   Keywords:  tiger
      Port:  unbound    |
------------------------+--------------------

Comment (by ballapete):

 Replying to [comment:13 kencu]:
 >
 > What does the {{{dane}}} variant give you? Perhaps you don't need it?

 `DANE` is an extension for `HTTPS` to handle `self-signed certificates` of
 a web server with the help of `Certificate Authorities (CA)`. The web
 server can tell which CAs to trust. I am not sure whether it is still
 useful today… (or more needed than ever)

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Ticket URL: <https://trac.macports.org/ticket/60936#comment:15>
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