[issue12141] --multiprocessing fails with packaging.tests.test_command_build_ext

[Tarek Ziadé]

Tarek Ziadé <ziade.tarek at gmail.com> added the comment:

sysconfig is looking for the source dir when 

  sysconfig.get_config_var('srcdir')

is called.

And this is done like this:


if sys.executable:
    _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable))
else:
    # sys.executable can be empty if argv[0] has been changed and Python is
    # unable to retrieve the real program name
    _PROJECT_BASE = _safe_realpath(os.getcwd())


Because sys.executable (argv[0] in fact) is not filled when you call multiprocess vvia the -j option.

So yeah, this has to do with sys.executable

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<http://bugs.python.org/issue12141>
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