(var_name, n_ask_attempts))

  if resolve_symlinks:
    val = os.path.realpath(val)
  environ_cp[var_name] = val
  return val


def set_clang_cuda_compiler_path(environ_cp):
  """Set CLANG_CUDA_COMPILER_PATH."""
  # Upon clang 19 drop the check for 16
  default_clang_path = '/usr/lib/llvm-18/bin/clang'
  if not os.path.exists(default_clang_path):