Check in a script to diagnose common system configuration problems.

Review URL: https://chromiumcodereview.appspot.com/9309011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@120430 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 59 insertions, 0 deletions

diff --git a/tools/diagnose-me.py b/tools/diagnose-me.py
new file mode 100755
index 0000000..75bcfae
--- /dev/null
+++ b/tools/diagnose-me.py
@@ -0,0 +1,59 @@
+#!/usr/bin/python
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Diagnose some common system configuration problems on Linux, and
+suggest fixes."""
+
+import subprocess
+import sys
+
+all_checks = []
+
+def Check(name):
+    """Decorator that defines a diagnostic check."""
+    def wrap(func):
+        all_checks.append((name, func))
+        return func
+    return wrap
+
+
+@Check("/usr/bin/ld is not gold")
+def CheckSystemLd():
+    proc = subprocess.Popen(['/usr/bin/ld', '-v'], stdout=subprocess.PIPE)
+    stdout = proc.communicate()[0]
+    if 'GNU gold' in stdout:
+        return ("When /usr/bin/ld is gold, system updates can silently\n"
+                "corrupt your graphics drivers.\n"
+                "Try 'sudo apt-get remove binutils-gold'.\n")
+    return None
+
+
+@Check("random lds are not in the $PATH")
+def CheckPathLd():
+    proc = subprocess.Popen(['which', '-a', 'ld'], stdout=subprocess.PIPE)
+    stdout = proc.communicate()[0]
+    instances = stdout.split()
+    if len(instances) > 1:
+        return ("You have multiple 'ld' binaries in your $PATH:\n"
+                + '\n'.join(' - ' + i for i in instances) + "\n"
+                "You should delete all of them but your system one.\n"
+                "gold is hooked into your build via gyp.\n")
+    return None
+
+
+def RunChecks():
+    for name, check in all_checks:
+        sys.stdout.write("* Checking %s: " % name)
+        sys.stdout.flush()
+        error = check()
+        if not error:
+            print "ok"
+        else:
+            print "FAIL"
+            print error
+
+
+if __name__ == '__main__':
+    RunChecks()