make: *** No rule to make target `clean'. Stop.
Configuring for:
PHP Api Version: 20180731
Zend Module Api No: 20180731
Zend Extension Api No: 320180731
configure.ac:3: error: Autoconf version 2.68 or higher is required
configure.ac:3: the top level
autom4te: /usr/bin/m4 failed with exit status: 63
phps_redis.sh: line 70: ./configure: No such file or directory
make: *** No targets specified and no makefile found. Stop.