CKW:redis-5.1.1 Sunny$ sudo /usr/local/cellar/php/7.4.1/bin/phpize
Configuring for:
PHP Api Version: 20190902
Zend Module Api No: 20190902
Zend Extension Api No: 320190902
configure.ac:12: error: Autoconf version 2.68 or higher is required
configure.ac:12: the top level
autom4te: /usr/bin/m4 failed with exit status: 63

我的本地是 Autoconf version 2.69
CKW:redis-5.1.1 Sunny$ /usr/local/autoconf/bin/autoconf -V
autoconf (GNU Autoconf) 2.69
Copyright © 2012 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
http://gnu.org/licenses/gpl.html, http://gnu.org/licenses/exceptions.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by David J. MacKenzie and Akim Demaille.