[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 barracuda156):

 Replying to [comment:1 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.

 As an odd effect on 10.5.8, while I specifically have `boost176` in port
 file (and `boost176` is already built even), when I try install my port,
 Macports insists on installing `boost171` instead.

 This did not occur on 10.6 PPC, where `boost176` was used, as supposed.

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Ticket URL: <https://trac.macports.org/ticket/64757#comment:3>
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