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30 lines
1.7 KiB
Diff
30 lines
1.7 KiB
Diff
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https://github.com/pypa/distutils/pull/36
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diff --git a/distutils/spawn.py b/distutils/spawn.py
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index a73b8b9..b012d00 100644
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--- Lib/distutils/spawn.py
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+++ Lib/distutils/spawn.py
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@@ -60,13 +60,17 @@ def spawn(cmd, search_path=1, verbose=0, dry_run=0, env=None):
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if _cfg_target:
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_cfg_target_split = [int(x) for x in _cfg_target.split('.')]
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if _cfg_target:
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- # ensure that the deployment target of build process is not less
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- # than that used when the interpreter was built. This ensures
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- # extension modules are built with correct compatibility values
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+ # Ensure that the deployment target of the build process is not
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+ # less than 10.3 if the interpreter was built for 10.3 or later.
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+ # This ensures extension modules are built with correct
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+ # compatibility values, specifically LDSHARED which can use
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+ # '-undefined dynamic_lookup' which only works on >= 10.3.
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cur_target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', _cfg_target)
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- if _cfg_target_split > [int(x) for x in cur_target.split('.')]:
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+ cur_target_split = [int(x) for x in cur_target.split('.')]
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+ if _cfg_target_split[:2] >= [10, 3] and cur_target_split[:2] < [10, 3]:
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my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: '
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- 'now "%s" but "%s" during configure'
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+ 'now "%s" but "%s" during configure;'
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+ 'must use 10.3 or later'
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% (cur_target, _cfg_target))
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raise DistutilsPlatformError(my_msg)
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env = dict(os.environ,
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