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Commitdf21f50

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bpo-42692: fix __builtin_available check on older compilers (GH-23873)
A compiler that doesn't define `__has_builtin` will error out when it isused on the same line as the check for it.Automerge-Triggered-By: GH:ronaldoussoren
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Fix __builtin_available check on older compilers. Patch by Joshua Root.

‎Modules/posixmodule.c‎

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*/
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#if defined(__APPLE__)
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#if defined(__has_builtin)&&__has_builtin(__builtin_available)
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#if defined(__has_builtin)
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#if__has_builtin(__builtin_available)
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#defineHAVE_BUILTIN_AVAILABLE 1
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#endif
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#endif
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#ifdefHAVE_BUILTIN_AVAILABLE
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# defineHAVE_FSTATAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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# defineHAVE_FACCESSAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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# defineHAVE_FCHMODAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)

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