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bitbake: fetch2: runfetchcmd(): unset _PYTHON_SYSCONFIGDATA_NAME

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Since warrior, python3native.bbclass sets _PYTHON_SYSCONFIGDATA_NAME;
unfortunately, this also affects Python scripts run as fetch commands like
git-make-shallow, breaking it with a message like

    Failed to import the site module
    Traceback (most recent call last):
      File "/usr/lib/python3.6/site.py", line 570, in <module>
        main()
      File "/usr/lib/python3.6/site.py", line 556, in main
        known_paths = addusersitepackages(known_paths)
      File "/usr/lib/python3.6/site.py", line 288, in addusersitepackages
        user_site = getusersitepackages()
      File "/usr/lib/python3.6/site.py", line 264, in getusersitepackages
        user_base = getuserbase() # this will also set USER_BASE
      File "/usr/lib/python3.6/site.py", line 254, in getuserbase
        USER_BASE = get_config_var('userbase')
      File "/usr/lib/python3.6/sysconfig.py", line 607, in get_config_var
        return get_config_vars().get(name)
      File "/usr/lib/python3.6/sysconfig.py", line 550, in get_config_vars
        _init_posix(_CONFIG_VARS)
      File "/usr/lib/python3.6/sysconfig.py", line 421, in _init_posix
        _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0)
    ModuleNotFoundError: No module named '_sysconfigdata'

on an Ubuntu 18.04 system (and likely others) when building with
BB_GIT_SHALLOW and BB_GENERATE_SHALLOW_TARBALLS.

Unset _PYTHON_SYSCONFIGDATA_NAME in runfetchcmd() to work around this.

(Bitbake rev: d94ccd506d04aff182ab48f501f6f366d5dd14f5)

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Matthias Schiffer
2019-05-22 11:13:10 +02:00
committed by Richard Purdie
parent cc67ce63d5
commit 482da97cfc
1 changed files with 5 additions and 0 deletions
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5
bitbake/lib/bb/fetch2/__init__.py
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@@ -843,6 +843,11 @@ def runfetchcmd(cmd, d, quiet=False, cleanup=None, log=None, workdir=None):
if val:
cmd = 'export ' + var + '=\"%s\"; %s' % (val, cmd)
# Ensure that a _PYTHON_SYSCONFIGDATA_NAME value set by a recipe
# (for example via python3native.bbclass since warrior) is not set for
# host Python (otherwise tools like git-make-shallow will fail)
cmd = 'unset _PYTHON_SYSCONFIGDATA_NAME; ' + cmd
# Disable pseudo as it may affect ssh, potentially causing it to hang.
cmd = 'export PSEUDO_DISABLED=1; ' + cmd