[MacPorts] #55589: faac: Compiler blacklists only needed on x86

[MacPorts]

#55589: faac: Compiler blacklists only needed on x86
--------------------------+-------------------
 Reporter:  sideeffect42  |      Owner:
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.4.2
 Keywords:                |       Port:  faac
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 The compiler blacklists in the faac Portfile are not needed on PowerPC
 since SSE2 is not available there.

 There are some other parts of the code that fail to compile with older
 versions of GCC, but I fixed those and submitted a pull request
 upstream.[[BR]]
 https://github.com/knik0/faac/pull/13

 With these patches, both Apple GCC 4.0 and 4.2 work.

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Ticket URL: <https://trac.macports.org/ticket/55589>
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