[MacPorts] #68075: transmission-qt fails to build on 10.6 Intel

[MacPorts]

#68075: transmission-qt fails to build on 10.6 Intel
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  Reporter:  barracuda156     |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.8.1
Resolution:                   |   Keywords:  snowleopard
      Port:  transmission-qt  |
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Comment (by kencu):

 one simpler thing to try would be to set the build environment envvars to
 match the configure environment envvars.

 the subprojects are configuring during the build phase, but the
 environment is not fully set up then, so they are configuring with a
 number of defaults, like the compiler

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Ticket URL: <https://trac.macports.org/ticket/68075#comment:4>
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