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[3.9] bpo-42692: fix __builtin_available check on older compilers (GH-23873) #24090

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Merged
merged 1 commit into from
Jan 4, 2021
Merged

[3.9] bpo-42692: fix __builtin_available check on older compilers (GH-23873) #24090

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Build/2021-01-04-05-07-30.bpo-42692.OO11SN.rst
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@@ -0,0 +1 @@
Fix __builtin_available check on older compilers. Patch by Joshua Root.
8 changes: 7 additions & 1 deletion Modules/posixmodule.c
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Expand Up @@ -56,7 +56,13 @@
*/
#if defined(__APPLE__)

#if defined(__has_builtin) && __has_builtin(__builtin_available)
#if defined(__has_builtin)
#if __has_builtin(__builtin_available)
#define HAVE_BUILTIN_AVAILABLE 1
#endif
#endif

#ifdef HAVE_BUILTIN_AVAILABLE
# define HAVE_FSTATAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
# define HAVE_FACCESSAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
# define HAVE_FCHMODAT_RUNTIME __builtin_available(macOS 10.10, iOS 8.0, *)
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