[MacPorts] #65934: mesa @22.1.7 +tests requires added link library to libunwind on PPC Leopard, Mac OS X 10.5.8

[MacPorts]

#65934: mesa @22.1.7 +tests requires added link library to libunwind on PPC
Leopard, Mac OS X 10.5.8
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  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.2
Resolution:             |   Keywords:  leopard ppc
      Port:  mesa       |
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Comment (by ballapete):

 Replying to [comment:16 ballapete]:
 > I added the `CFLAG -H` to the `GCC7 compiler flags` – and the result is
 this:

 And the second result is this:

 {{{
 [86/1176] /opt/local/bin/gcc-mp-7 … -c
 ../mesa-22.1.7/src/util/u_debug_stack.c
 }}}

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Ticket URL: <https://trac.macports.org/ticket/65934#comment:24>
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