new_contents: import os
  
  def FlagsForFile(filename, **kwargs):
    return {
      'flags': [
        '-x', 'c',
        '-Wall', '-Wpointer-arith',
        '-fPIC',
        '-I.', '-I' + os.environ['HOME'] + '/include'
      ],
    }
  
subject: Add .ycm_extra_conf.py in root dir.