[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 kencu):

 Replying to [comment:12 jmroot]:
 > Also relevant is:
 > > The runtime must provide a number of new entrypoints which the
 compiler may emit
 > https://clang.llvm.org/docs/AutomaticReferenceCounting.html#runtime-
 support

 Lots of those (all?) are available on 10.7, both 32b and 64b:
 {{{
 $ nm -arch i386 /usr/lib/libobjc.A.dylib | grep autorelease
 000d8798 s _SEL_autorelease
 0000bdb2 t
 __ZN12_GLOBAL__N_119AutoreleasePoolPage15autoreleaseSlowEP11objc_object
 00009a9d T __objc_autoreleasePoolPop
 0001eb25 T __objc_autoreleasePoolPrint
 00008fc8 T __objc_autoreleasePoolPush
 0001e5a0 T _objc_autorelease
 0001e92c t _objc_autoreleaseNoPool
 0001eb00 T _objc_autoreleasePoolPop
 00008fd1 T _objc_autoreleasePoolPush
 0000b3be T _objc_autoreleaseReturnValue
 0001e5c6 T _objc_retain_autorelease
 }}}

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Ticket URL: <https://trac.macports.org/ticket/66188#comment:13>
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