ae389b2450
LLDB doesn't use only the python stable ABI, which means loading it into an incompatible python can cause the process to crash. _lldb.so should be named with the full EXT_SUFFIX from sysconfig -- such as _lldb.cpython-39-darwin.so -- so this doesn't happen. Reviewed By: JDevlieghere Differential Revision: https://reviews.llvm.org/D112972
48 lines
1.6 KiB
Python
Executable File
48 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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import argparse
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import sysconfig
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import distutils.sysconfig
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def relpath_nodots(path, base):
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rel = os.path.normpath(os.path.relpath(path, base))
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assert not os.path.isabs(rel)
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parts = rel.split(os.path.sep)
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if parts and parts[0] == '..':
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raise ValueError(f"{path} is not under {base}")
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return rel
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def main():
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parser = argparse.ArgumentParser(description="extract cmake variables from python")
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parser.add_argument("variable_name")
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args = parser.parse_args()
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if args.variable_name == "LLDB_PYTHON_RELATIVE_PATH":
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print(distutils.sysconfig.get_python_lib(True, False, ''))
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elif args.variable_name == "LLDB_PYTHON_EXE_RELATIVE_PATH":
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tried = list()
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exe = sys.executable
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while True:
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try:
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print(relpath_nodots(exe, sys.prefix))
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break
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except ValueError:
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tried.append(exe)
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if os.path.islink(exe):
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exe = os.path.join(os.path.dirname(exe), os.readlink(exe))
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continue
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else:
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print("Could not find a relative path to sys.executable under sys.prefix", file=sys.stderr)
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for e in tried:
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print("tried:", e, file=sys.stderr)
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print("sys.prefix:", sys.prefix, file=sys.stderr)
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sys.exit(1)
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elif args.variable_name == "LLDB_PYTHON_EXT_SUFFIX":
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print(sysconfig.get_config_var('EXT_SUFFIX'))
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else:
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parser.error(f"unknown variable {args.variable_name}")
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if __name__ == '__main__':
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main() |