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borg/scripts/glibc_check.py

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#!/usr/bin/env python3
"""
Check if all given binaries work with the given glibc version.
glibc_check.py 2.11 bin [bin ...]
rc = 0 means "yes", rc = 1 means "no".
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"""
import re
import subprocess
import sys
verbose = True
glibc_re = re.compile(r"GLIBC_([0-9]\.[0-9]+)")
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def parse_version(v):
major, minor = v.split(".")
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return int(major), int(minor)
def format_version(version):
return "%d.%d" % version
def main():
given = parse_version(sys.argv[1])
filenames = sys.argv[2:]
overall_versions = set()
for filename in filenames:
try:
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output = subprocess.check_output(["objdump", "-T", filename], stderr=subprocess.STDOUT)
output = output.decode()
versions = {parse_version(match.group(1)) for match in glibc_re.finditer(output)}
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requires_glibc = max(versions)
overall_versions.add(requires_glibc)
if verbose:
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print(f"{filename} {format_version(requires_glibc)}")
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except subprocess.CalledProcessError:
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if verbose:
print("%s errored." % filename)
wanted = max(overall_versions)
ok = given >= wanted
if verbose:
if ok:
print("The binaries work with the given glibc %s." % format_version(given))
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else:
print(
"The binaries do not work with the given glibc %s. "
"Minimum is: %s" % (format_version(given), format_version(wanted))
)
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return ok
if __name__ == "__main__":
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ok = main()
sys.exit(0 if ok else 1)