[MacPorts] #64757: How to enable Cmake to find Boost?

[MacPorts]

#64757: How to enable Cmake to find Boost?
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  Reporter:  barracuda156  |      Owner:  (none)
      Type:  request       |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:  powerpc
      Port:  cmake         |
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Comment (by reneeotten):

 Are you using the `boost` PortGroup already, if not I would to that first
 as there is some code in there already to setup things correctly?

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Ticket URL: <https://trac.macports.org/ticket/64757#comment:1>
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