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GH-128469: warn when libpython was loaded from outside the build directory (#128645)

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Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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Filipe Laíns 🇵🇸 2025-01-29 22:35:55 +00:00 • committed by GitHub
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13
Modules/getpath.py
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@ -785,6 +785,19 @@ if os_name != 'nt' and build_prefix:
base_exec_prefix = config.get('base_exec_prefix') or EXEC_PREFIX or base_prefix
# ******************************************************************************
# MISC. RUNTIME WARNINGS
# ******************************************************************************
# When running Python from the build directory, if libpython is dynamically
# linked, the wrong library might be loaded.
if build_prefix and library and not dirname(abspath(library)).startswith(build_prefix):
msg = f'The runtime library has been loaded from outside the build directory ({library})!'
if os_name == 'posix':
msg += ' Consider setting LD_LIBRARY_PATH=. to force it to be loaded from the build directory.'
warn(msg)
# ******************************************************************************
# SET pythonpath FROM _PTH FILE
# ******************************************************************************