[MacPorts] #51571: glfw @3.2_0 fails building on 10.6.8

[MacPorts]

#51571: glfw @3.2_0 fails building on 10.6.8
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  Reporter:  braumann@…  |      Owner:  michaelld@…
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:  fixed       |   Keywords:  snowleopard leopard tiger
      Port:  glfw        |
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Comment (by braumann@…):

 Replying to [comment:6 michaelld@…]:
 >
 > ...
 > Please note that you can always keep an older version of GLFW around &
 use that. You don't need to update to the latest / greatest.

 Thanks, well, once I call
 {{{
 $ sudo port -s upgrade outdated
 }}}
 as I usually do, I will always be offered to upgrade `glfw`, I am afraid.
 How this could be circumvented?

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Ticket URL: <https://trac.macports.org/ticket/51571#comment:7>
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