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-rwxr-xr-xscripts/get_clang_version.py46
1 files changed, 46 insertions, 0 deletions
diff --git a/scripts/get_clang_version.py b/scripts/get_clang_version.py
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+++ b/scripts/get_clang_version.py
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+#!/usr/bin/env python
+#
+# Copyright (C) 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""A tool to report the current clang version used during build"""
+
+import os
+import re
+import sys
+
+
+ANDROID_BUILD_TOP = os.environ.get("ANDROID_BUILD_TOP", ".")
+
+def get_clang_prebuilts_version(global_go):
+ # TODO(b/187231324): Get clang version from the json file once it is no longer
+ # hard-coded in global.go
+ if global_go is None:
+ global_go = ANDROID_BUILD_TOP + '/build/soong/cc/config/global.go'
+ with open(global_go) as infile:
+ contents = infile.read()
+
+ regex_rev = r'\tClangDefaultVersion\s+= "clang-(?P<rev>r\d+[a-z]?\d?)"'
+ match_rev = re.search(regex_rev, contents)
+ if match_rev is None:
+ raise RuntimeError('Parsing clang info failed')
+ return match_rev.group('rev')
+
+
+def main():
+ global_go = sys.argv[1] if len(sys.argv) > 1 else None
+ print(get_clang_prebuilts_version(global_go));
+
+
+if __name__ == '__main__':
+ main()