[MacPorts] #38936: fontconfig @2.10.92_0 build fails on Tiger: Undefined symbols: "_OSAtomicCompareAndSwapPtrBarrier" (was: fontconfig 2.10.92_0 fails to build on PPC Tiger because of missing symbols)

[MacPorts]

#38936: fontconfig @2.10.92_0 build fails on Tiger: Undefined symbols:
"_OSAtomicCompareAndSwapPtrBarrier"
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  Reporter:  Peter_Dyballa@…  |      Owner:  ryandesign@…
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.1.3
Resolution:                   |   Keywords:  tiger
      Port:  fontconfig       |
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Comment (by ryandesign@…):

 It looks like tigerbrew encountered this problem too, and already
 developed a patch and sent it to the fontconfig developers:
 https://github.com/mistydemeo/tigerbrew/issues/28

 We also encountered this problem with sqlite3 last year: #32930

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Ticket URL: <https://trac.macports.org/ticket/38936#comment:2>
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