def _prepend_pkg_config_path(path: str) -> str:
    """Prepend a string value to pkg_config_path

    :param path: The path to prepend
    :return: The path, followed by any PKG_CONFIG_PATH already in the environment
    """
    pkgconf = os.environ.get('PKG_CONFIG_PATH')
    if pkgconf:
        return f'{path}{os.path.pathsep}{pkgconf}'
    return path
Prepend a string value to pkg_config_path

    :param path: The path to prepend
    :return: The path, followed by any PKG_CONFIG_PATH already in the environment
    
unittests/linuxliketests.py