[root@bogon src]# tar zxf memcache-2.2..tgz

[root@bogon src]# cd memcache-2.2.

[root@bogon memcache-2.2.]# ls

config9.m4  CREDITS      memcache_consistent_hash.c  memcache_queue.c    memcache_standard_hash.c

config.m4   example.php  memcache.dsp                memcache_queue.h    php_memcache.h

config.w32  memcache.c   memcache.php                memcache_session.c  README

[root@bogon memcache-2.2.]# /usr/local/php7/bin/phpize

Configuring for:

PHP Api Version:

Zend Module Api No:

Zend Extension Api No:

Cannot find autoconf. Please check your autoconf installation and the

$PHP_AUTOCONF environment variable. Then, rerun this script.

[root@bogon memcache-2.2.]# yum install -y m4

[root@bogon memcache-2.2.]# yum install -y autoconf

[root@bogon memcache-2.2.]# /usr/local/php7/bin/phpize

Configuring for:

PHP Api Version:

Zend Module Api No:

Zend Extension Api No:   320180731

[root@bogon memcache-2.2.]# ls

acinclude.m4    config.sub    Makefile.global             memcache_standard_hash.c

aclocal.m4      configure     memcache.c                  missing

autom4te.cache  configure.ac  memcache_consistent_hash.c  mkinstalldirs

build           config.w32    memcache.dsp                php_memcache.h

config9.m4      CREDITS       memcache.php                README

config.guess    example.php   memcache_queue.c            run-tests.php

config.h.in     install-sh    memcache_queue.h

config.m4       ltmain.sh     memcache_session.c