def METHOD_NAME(self, include_path: str) -> None:
    """
    If we encounter the include directory <build_root>/postgres/include (containing installed
    PostgreSQL headers), we add some additional include directories at the end of the command
    line. This will help with finding include files even when the PostgreSQL build is not fully
    done.
    """
    assert os.path.isabs(include_path)
    if (not self.additional_postgres_include_paths and
            os.path.realpath(include_path) == self.postgres_install_dir_include_realpath):
        self.should_add_postgres_include_paths = True