[MacPorts] #66188: libsdl2: re-enable universal building i386/x86_64

[MacPorts]

#66188: libsdl2: re-enable universal building i386/x86_64
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  Reporter:  kencu    |      Owner:  jmroot
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  libsdl2  |
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Comment (by jmroot):

 Replying to [comment:7 kencu]:
 > clang-1100 allows it:
 > so somewhere in between those.

 OK, so if i386 SDL apps work in addition to compiling, that's something.
 We could allow i386 on the OS versions where it works, and extend the
 libsdl2-snowleopard to cover i386 build everywhere else.

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Ticket URL: <https://trac.macports.org/ticket/66188#comment:9>
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