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bpo-41100: Support macOS 11 and Apple Silicon (GH-22855)

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Co-authored-by:  Lawrence D’Anna <lawrence_danna@apple.com>

* Add support for macOS 11 and Apple Silicon (aka arm64)
   
  As a side effect of this work use the system copy of libffi on macOS, and remove the vendored copy

* Support building on recent versions of macOS while deploying to older versions

  This allows building installers on macOS 11 while still supporting macOS 10.9.
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Ronald Oussoren 2020-11-08 10:05:27 +01:00 • committed by GitHub
parent fd6f6fa403
commit 41761933c1
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27 changed files with 1654 additions and 412 deletions
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30
Lib/test/test_time.py
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@ -1041,6 +1041,36 @@ class TestOldPyTime(CPyTimeTestCase, unittest.TestCase):
with self.assertRaises(ValueError):
pytime_object_to_timespec(float('nan'), time_rnd)
@unittest.skipUnless(sys.platform == "darwin", "test weak linking on macOS")
class TestTimeWeaklinking(unittest.TestCase):
# These test cases verify that weak linking support on macOS works
# as expected. These cases only test new behaviour introduced by weak linking,
# regular behaviour is tested by the normal test cases.
#
# See the section on Weak Linking in Mac/README.txt for more information.
def test_clock_functions(self):
import sysconfig
import platform
config_vars = sysconfig.get_config_vars()
var_name = "HAVE_CLOCK_GETTIME"
if var_name not in config_vars or not config_vars[var_name]:
raise unittest.SkipTest(f"{var_name} is not available")
mac_ver = tuple(int(x) for x in platform.mac_ver()[0].split("."))
clock_names = [
"CLOCK_MONOTONIC", "clock_gettime", "clock_gettime_ns", "clock_settime",
"clock_settime_ns", "clock_getres"]
if mac_ver >= (10, 12):
for name in clock_names:
self.assertTrue(hasattr(time, name), f"time.{name} is not available")
else:
for name in clock_names:
self.assertFalse(hasattr(time, name), f"time.{name} is available")
if __name__ == "__main__":
unittest.main()