feat(script): add get_clang_version.py

.gnfiles/build/scripts/get_clang_version.py

@@ -0,0 +1,30 @@
+#
+# Copyright © 2024 Agora
+# This file is part of TEN Framework, an open source project.
+# Licensed under the Apache License, Version 2.0, with certain conditions.
+# Refer to the "LICENSE" file in the root directory for more information.
+#
+import sys
+import subprocess
+import re
+
+"""
+# linux
+Ubuntu clang version 14.0.0-1ubuntu1.1
+# mac
+Apple clang version 15.0.0 (clang-1500.3.9.4)
+# win
+clang version 14.0.1
+"""
+
+def main(argv):
+    version_string = subprocess.check_output(argv[0] + " --version", shell=True).decode('utf-8')
+    match = re.search(r'clang version (\d+)', version_string)
+    if match:
+        print(match.group(1))
+        return
+    print("")
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])