# Copyright (C) 2017 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.

import os
import subprocess
import sys

def main():
  res = subprocess.check_output(['clang', '-print-search-dirs'])
  for line in res.splitlines():
    if not line.startswith('libraries:'):
      continue
    libs = line.split('=', 1)[1].split(':')
    for lib in libs:
      if '/clang/' not in lib or not os.path.isdir(lib + '/lib'):
        continue
      print os.path.abspath(lib)
      return 0
  print 'Could not find the LLVM lib dir'
  return 1

if __name__ == '__main__':
  sys.exit(main())