Args:
    environ_cp: (Dict) copy of the os.environ.

  Returns:
    string value for clang_compiler_path.
  """
  # Default path if clang-18 is installed by using apt-get install
  # remove 16 logic upon release of 19
  default_clang_path = '/usr/lib/llvm-18/bin/clang'
  if not os.path.exists(default_clang_path):
    default_clang_path = '/usr/lib/llvm-17/bin/clang'

    <glob pattern="README"/>
    <glob pattern="abs-linkmap"/>
    <glob pattern="abs-menulinks"/>
    <glob pattern="*.aart"/>
    <glob pattern="*.ac"/>
    <glob pattern="*.am"/>
    <glob pattern="*.apt"/>
    <glob pattern="*.bsh"/>
    <glob pattern="*.classpath"/>
    <glob pattern="*.cnd"/>
    <glob pattern="*.cwiki"/>
    <glob pattern="*.data"/>
    <glob pattern="*.dcl"/>