[MacPorts] #40612: highlight: use -arch flags; simplify specifying destroot/prefix; improve livecheck

[MacPorts]

#40612: highlight: use -arch flags; simplify specifying destroot/prefix; improve
livecheck
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 Reporter:  ryandesign@…  |      Owner:  pjenvey@…
     Type:  enhancement   |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.2.0
 Keywords:  haspatch      |       Port:  highlight
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 The attached patch makes a few improvements to the highlight port:

  * ensures `-arch` flags are used
  * uses args to specify the prefix instead of using a patchfile
  * actually passes the CXXFLAGS to the makefile (the makefile incorrectly
 uses the variable CFLAGS for this)
  * improves the livecheck to use the project's own homepage instead of
 freecode which can be unreliable

 Does this look ok to you? If so I can commit it.

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Ticket URL: <https://trac.macports.org/ticket/40612>
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