[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
---------------------+------------------------------
  Reporter:  arboz   |      Owner:  jeremyhu
      Type:  defect  |     Status:  accepted
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.3.4
Resolution:          |   Keywords:  leopard haspatch
      Port:  mesa    |
---------------------+------------------------------

Comment (by ken-cunningham-webuse):

 I wonder if this error
 {{{
 error: redefinition of typedef 'Display' is invalid in C [-Wtypedef-
 redefinition]
 }}}

 might be due in part to  redefining typedefs only being valid under
 certain situations. The build that fails on 10.7 is using this standard in
 the build line...
 {{{
 -std=c99
 }}}

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Ticket URL: <https://trac.macports.org/ticket/52811#comment:13>
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