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Issue #9516: Port the revised deployment target processing for OSX from

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distutils to packaging.
This commit is contained in:
Ned Deily 2011-06-28 20:04:24 -07:00
parent 5c727cb978
commit fceb4120fc
1 changed files with 23 additions and 0 deletions
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23
Lib/packaging/util.py
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@ -757,6 +757,9 @@ def split_leading_dir(path):
else:
return path, ''
if sys.platform == 'darwin':
_cfg_target = None
_cfg_target_split = None
def spawn(cmd, search_path=True, verbose=0, dry_run=False, env=None):
"""Run another program specified as a command list 'cmd' in a new process.
@ -781,6 +784,26 @@ def spawn(cmd, search_path=True, verbose=0, dry_run=False, env=None):
if dry_run:
logging.debug('dry run, no process actually spawned')
return
if sys.platform == 'darwin':
global _cfg_target, _cfg_target_split
if _cfg_target is None:
_cfg_target = sysconfig.get_config_var(
'MACOSX_DEPLOYMENT_TARGET') or ''
if _cfg_target:
_cfg_target_split = [int(x) for x in _cfg_target.split('.')]
if _cfg_target:
# ensure that the deployment target of build process is not less
# than that used when the interpreter was built. This ensures
# extension modules are built with correct compatibility values
env = env or os.environ
cur_target = env.get('MACOSX_DEPLOYMENT_TARGET', _cfg_target)
if _cfg_target_split > [int(x) for x in cur_target.split('.')]:
my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: '
'now "%s" but "%s" during configure'
% (cur_target, _cfg_target))
raise PackagingPlatformError(my_msg)
env = dict(env, MACOSX_DEPLOYMENT_TARGET=cur_target)
exit_status = subprocess.call(cmd, env=env)
if exit_status != 0:
msg = "command %r failed with exit status %d"