2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file.
6 """Diagnose some common system configuration problems on Linux, and
16 """Decorator that defines a diagnostic check."""
18 all_checks.append((name, func))
23 @Check("/usr/bin/ld is not gold")
25 proc = subprocess.Popen(['/usr/bin/ld', '-v'], stdout=subprocess.PIPE)
26 stdout = proc.communicate()[0]
27 if 'GNU gold' in stdout:
28 return ("When /usr/bin/ld is gold, system updates can silently\n"
29 "corrupt your graphics drivers.\n"
30 "Try 'sudo apt-get remove binutils-gold'.\n")
34 @Check("random lds are not in the $PATH")
36 proc = subprocess.Popen(['which', '-a', 'ld'], stdout=subprocess.PIPE)
37 stdout = proc.communicate()[0]
38 instances = stdout.split()
39 if len(instances) > 1:
40 return ("You have multiple 'ld' binaries in your $PATH:\n"
41 + '\n'.join(' - ' + i for i in instances) + "\n"
42 "You should delete all of them but your system one.\n"
43 "gold is hooked into your build via gyp.\n")
47 @Check("/usr/bin/ld doesn't point to gold")
49 # Check /usr/bin/ld* symlinks.
50 for path in ('ld.bfd', 'ld'):
51 path = '/usr/bin/' + path
53 target = os.readlink(path)
56 continue # No such file
58 continue # Not a symlink
60 if '/usr/local/gold' in target:
61 return ("%s is a symlink into /usr/local/gold.\n"
62 "It's difficult to make a recommendation, because you\n"
63 "probably set this up yourself. But you should make\n"
64 "/usr/bin/ld be the standard linker, which you likely\n"
65 "renamed /usr/bin/ld.bfd or something like that.\n" % path)
70 @Check("random ninja binaries are not in the $PATH")
72 proc = subprocess.Popen(['which', 'ninja'], stdout=subprocess.PIPE)
73 stdout = proc.communicate()[0]
74 if not 'depot_tools' in stdout:
75 return ("The ninja binary in your path isn't from depot_tools:\n"
77 "Remove custom ninjas from your path so that the one\n"
78 "in depot_tools is used.\n")
82 @Check("build dependencies are satisfied")
84 script_path = os.path.join(
85 os.path.dirname(os.path.dirname(os.path.abspath(__file__))), 'build',
86 'install-build-deps.sh')
87 proc = subprocess.Popen([script_path, '--quick-check'],
88 stdout=subprocess.PIPE)
89 stdout = proc.communicate()[0]
90 if 'WARNING' in stdout:
91 return ("Your build dependencies are out-of-date.\n"
92 "Run '" + script_path + "' to update.")
97 for name, check in all_checks:
98 sys.stdout.write("* Checking %s: " % name)
108 if __name__ == '__main__':