cibuildwheel 3 will require Python 3.11+, please upgrade the Python version used to run cibuildwheel. This does not affect the versions you can target when building wheels. See: https://cibuildwheel.pypa.io/en/stable/#what-does-it-do

autoconf 2.72 is already installed and up-to-date. To reinstall 2.72, run: brew reinstall autoconf