1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/libwebrtc/tools_webrtc/binary_version_check.py b/third_party/libwebrtc/tools_webrtc/binary_version_check.py
new file mode 100644
index 0000000000..563fe36186
--- /dev/null
+++ b/third_party/libwebrtc/tools_webrtc/binary_version_check.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env vpython3
+
+# Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import re
+import subprocess
+import sys
+
+WEBRTC_VERSION_RE = re.compile(
+    r'WebRTC source stamp [0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}'
+)
+
+
+if __name__ == '__main__':
+  args = sys.argv
+  if len(args) != 2:
+    print('Usage: binary_version_test.py <FILE_NAME>')
+    sys.exit(1)
+  filename = sys.argv[1]
+  output = subprocess.check_output(['strings', filename])
+  strings_in_binary = output.decode('utf-8').splitlines()
+  for symbol in strings_in_binary:
+    if WEBRTC_VERSION_RE.match(symbol):
+      with open('webrtc_binary_version_check', 'w') as f:
+        f.write(symbol)
+      sys.exit(0)
+  print('WebRTC source timestamp not found in "%s"' % filename)
+  print('Check why "kSourceTimestamp" from call/version.cc is not linked '
+        '(or why it has been optimized away by the compiler/linker)')
+  sys.exit(1)