bpo-42692: fix __builtin_available check on older compilers (GH-23873)
A compiler that doesn't define `__has_builtin` will error out when it is used 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.
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@ -61,7 +61,13 @@
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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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#define HAVE_BUILTIN_AVAILABLE 1
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#endif
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#endif
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#ifdef HAVE_BUILTIN_AVAILABLE
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# define HAVE_FSTATAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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# define HAVE_FACCESSAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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# define HAVE_FCHMODAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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