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Modules/Setup.dist is newer than Modules/Setup;
check to make sure you have all the updates you
need in your Modules/Setup file.
Usually, copying Modules/Setup.dist to Modules/Setup will work.
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LD_LIBRARY_PATH=/home/shlomif/Download/unpack/prog/python/cpython ./python -E -S -m sysconfig --generate-posix-vars ;\
if test $? -ne 0 ; then \
	echo "generate-posix-vars failed" ; \
	rm -f ./pybuilddir.txt ; \
	exit 1 ; \
fi
Could not import runpy module
Traceback (most recent call last):
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/runpy.py", line 14, in <module>
    import importlib.machinery # importlib first so we can test #15386 via -m
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/importlib/__init__.py", line 57, in <module>
    import types
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/types.py", line 175, in <module>
    import functools as _functools
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/functools.py", line 21, in <module>
    from collections import namedtuple
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/collections/__init__.py", line 32, in <module>
    from reprlib import recursive_repr as _recursive_repr
  File "/home/shlomif/Download/unpack/prog/python/cpython/Lib/reprlib.py", line 7, in <module>
    from _thread import get_ident
ModuleNotFoundError: No module named '_thread'
generate-posix-vars failed
Makefile:561: recipe for target 'pybuilddir.txt' failed
make: *** [pybuilddir.txt] Error 1