diff options
Diffstat (limited to 'Lib/distutils/spawn.py')
| -rw-r--r-- | Lib/distutils/spawn.py | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/Lib/distutils/spawn.py b/Lib/distutils/spawn.py index 8c476dc..2b62c96 100644 --- a/Lib/distutils/spawn.py +++ b/Lib/distutils/spawn.py @@ -96,15 +96,42 @@ def _spawn_os2(cmd, search_path=1, verbose=0, dry_run=0): raise DistutilsExecError( "command '%s' failed with exit status %d" % (cmd[0], rc)) +if sys.platform == 'darwin': + from distutils import sysconfig + _cfg_target = None + _cfg_target_split = None + def _spawn_posix(cmd, search_path=1, verbose=0, dry_run=0): log.info(' '.join(cmd)) if dry_run: return exec_fn = search_path and os.execvp or os.execv + exec_args = [cmd[0], cmd] + 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 + cur_target = os.environ.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 DistutilsPlatformError(my_msg) + env = dict(os.environ, + MACOSX_DEPLOYMENT_TARGET=cur_target) + exec_fn = search_path and os.execvpe or os.execve + exec_args.append(env) pid = os.fork() if pid == 0: # in the child try: - exec_fn(cmd[0], cmd) + exec_fn(*exec_args) except OSError as e: sys.stderr.write("unable to execute %s: %s\n" % (cmd[0], e.strerror)) |