#!/usr/bin/env python3
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Given a binary, uses dpkg-shlibdeps to check that its package dependencies
are satisfiable on all supported debian-based distros.
"""
import argparse
import json
import os
import subprocess
import sys
import deb_version
import package_version_interval
parser = argparse.ArgumentParser()
parser.add_argument('binary')
parser.add_argument('sysroot')
parser.add_argument('arch')
parser.add_argument('dep_filename')
parser.add_argument('--distro-check', action='store_true')
args = parser.parse_args()
binary = os.path.abspath(args.binary)
sysroot = os.path.abspath(args.sysroot)
arch = args.arch
dep_filename = os.path.abspath(args.dep_filename)
distro_check = args.distro_check
script_dir = os.path.dirname(os.path.realpath(__file__))
dpkg_shlibdeps = os.path.join(script_dir, '..', '..', '..', '..', 'third_party',
'dpkg-shlibdeps', 'dpkg-shlibdeps.pl')
cmd = [dpkg_shlibdeps, '--ignore-weak-undefined']
if arch == 'x64':
cmd.extend(['-l%s/usr/lib/x86_64-linux-gnu' % sysroot,
'-l%s/lib/x86_64-linux-gnu' % sysroot])
elif arch == 'x86':
cmd.extend(['-l%s/usr/lib/i386-linux-gnu' % sysroot,
'-l%s/lib/i386-linux-gnu' % sysroot])
elif arch == 'arm':
cmd.extend(['-l%s/usr/lib/arm-linux-gnueabihf' % sysroot,
'-l%s/lib/arm-linux-gnueabihf' % sysroot])
elif arch == 'arm64':
cmd.extend(['-l%s/usr/lib/aarch64-linux-gnu' % sysroot,
'-l%s/lib/aarch64-linux-gnu' % sysroot])
elif arch == 'mipsel':
cmd.extend(['-l%s/usr/lib/mipsel-linux-gnu' % sysroot,
'-l%s/lib/mipsel-linux-gnu' % sysroot])
elif arch == 'mips64el':
cmd.extend(['-l%s/usr/lib/mips64el-linux-gnuabi64' % sysroot,
'-l%s/lib/mips64el-linux-gnuabi64' % sysroot])
else:
print('Unsupported architecture ' + arch)
sys.exit(1)
cmd.extend(['-l%s/usr/lib' % sysroot, '-O', '-e', binary])
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
cwd=sysroot, encoding='utf-8')
(stdout, stderr) = proc.communicate()
exit_code = proc.wait()
if exit_code != 0:
print('dpkg-shlibdeps failed with exit code %d' % exit_code)
print('stderr was:\n%s' % stderr)
sys.exit(1)
SHLIBS_DEPENDS_PREFIX = 'shlibs:Depends='
deps_str = ''
for line in stdout.split('\n'):
if line.startswith(SHLIBS_DEPENDS_PREFIX):
deps_str = line[len(SHLIBS_DEPENDS_PREFIX):]
deps = deps_str.split(', ')
interval_sets = []
if deps_str != '':
for dep in deps:
interval_set = package_version_interval.parse_interval_set(dep)
# Chrome depends on libgcc_s, is from the package libgcc1. However, in
# Bullseye, the package was renamed to libgcc-s1. To avoid adding a dep
# on the newer package, this hack skips the dep. This is safe because
# libgcc-s1 is a dependency of libc6. This hack can be removed once
# support for Ubuntu Bionic is dropped.
if interval_set.intervals[0].package == 'libgcc-s1':
assert len(interval_set.intervals) == 1
interval = interval_set.intervals[0]
# Ensure there's not a maximum version.
assert interval.end == (
package_version_interval.PackageVersionIntervalEndpoint(
True, None, None))
# The GCC version in Ubuntu Trusty is 4.8, so use that as the minimum.
assert interval.contains(deb_version.DebVersion('4.8'))
continue
interval_sets.append(interval_set)
script_dir = os.path.dirname(os.path.abspath(__file__))
deps_file = os.path.join(script_dir, 'dist_package_versions.json')
distro_package_versions = json.load(open(deps_file))
ret_code = 0
if distro_check:
for distro in distro_package_versions:
for interval_set in interval_sets:
dep_satisfiable = False
for interval in interval_set.intervals:
package = interval.package
if package not in distro_package_versions[distro]:
continue
distro_version = deb_version.DebVersion(
distro_package_versions[distro][package])
if interval.contains(distro_version):
dep_satisfiable = True
break
if not dep_satisfiable:
print(
'Dependency %s not satisfiable on distro %s caused by binary %s' % (
interval_set.formatted(), distro, os.path.basename(binary)),
file=sys.stderr)
ret_code = 1
if ret_code == 0:
with open(dep_filename, 'w') as dep_file:
lines = [interval_set.formatted() + '\n'
for interval_set in interval_sets]
dep_file.write(''.join(sorted(lines)))
sys.exit(ret_code)
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