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author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2021-01-04 03:00:43 -0800 |
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committer | GitHub <noreply@github.com> | 2021-01-04 06:00:43 -0500 |
commit | eedeaef1f22d27264ce9b031da80fe2485e85e69 (patch) | |
tree | 19a9ae32270df4fc0377144577ed89dbaba909d6 | |
parent | 76489dd2998ac70ffb300d612792a7238c03438c (diff) | |
download | cpython-git-eedeaef1f22d27264ce9b031da80fe2485e85e69.tar.gz |
bpo-42692: fix __builtin_available check on older compilers (GH-23873) (GH-24090)
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
(cherry picked from commit df21f502fdccec234282bf0a211af979fd23def4)
Co-authored-by: Joshua Root <jmr@macports.org>
-rw-r--r-- | Misc/NEWS.d/next/Build/2021-01-04-05-07-30.bpo-42692.OO11SN.rst | 1 | ||||
-rw-r--r-- | Modules/posixmodule.c | 8 |
2 files changed, 8 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Build/2021-01-04-05-07-30.bpo-42692.OO11SN.rst b/Misc/NEWS.d/next/Build/2021-01-04-05-07-30.bpo-42692.OO11SN.rst new file mode 100644 index 0000000000..91582b945b --- /dev/null +++ b/Misc/NEWS.d/next/Build/2021-01-04-05-07-30.bpo-42692.OO11SN.rst @@ -0,0 +1 @@ +Fix __builtin_available check on older compilers. Patch by Joshua Root. diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index d2ce8339e6..5e33502721 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -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, *) |