[MacPorts] #52811: mesa @12.0.1_1 fails to build on Leopard i386

[MacPorts]

#52811: mesa @12.0.1_1 fails to build on Leopard i386
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  Reporter:  arboz   |      Owner:  jeremyhu
      Type:  defect  |     Status:  accepted
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.3.4
Resolution:          |   Keywords:  leopard haspatch
      Port:  mesa    |
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Comment (by ken-cunningham-webuse):

 and yet I had the problem on 10.7 as above ... I won't pretend to have
 this one figured out.

 Perhaps this patch can be applied unconditionally, and only will be used
 if needed?

 I set the PR to allow mods from maintainers, if anyone gets deep insight.

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Ticket URL: <https://trac.macports.org/ticket/52811#comment:10>
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