1# Copyright (C) 2017 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import os
16import subprocess
17import sys
18
19def main():
20  devnull = open(os.devnull, 'w')
21  for clang in ('clang', 'clang-3.8', 'clang-3.5'):
22    if subprocess.call(['which', clang], stdout=devnull, stderr=devnull) != 0:
23      continue
24    res = subprocess.check_output([clang, '-print-search-dirs'])
25    for line in res.splitlines():
26      if not line.startswith('libraries:'):
27        continue
28      libs = line.split('=', 1)[1].split(':')
29      for lib in libs:
30        if '/clang/' not in lib or not os.path.isdir(lib + '/lib'):
31          continue
32        print os.path.abspath(lib)
33        print clang
34        print clang.replace('clang', 'clang++')
35        return 0
36  print 'Could not find the LLVM lib dir'
37  return 1
38
39if __name__ == '__main__':
40  sys.exit(main())
41