#设置安装路径
./configure --prefix=/datas/soft/php72

#设置配置文件路径
--with-config-file-path=/datas/soft/php72/etc 

--with-curl \ 
--with-gd \ 
--with-gettext \ 
--with-iconv-dir \ 
--with-kerberos \ 
--with-libdir=lib64 \ 
--with-libxml-dir \ 
--with-openssl \ 
--with-pcre-regex \ 
--with-pdo-sqlite \ 
--with-pear \ 
--with-xmlrpc \ 
--with-xsl \ 
--with-zlib \ 
--enable-fpm \ 
--enable-bcmath \ 
--enable-libxml \ 
--enable-inline-optimization \ 
--enable-mbregex \ 
--enable-mbstring \ 
--enable-opcache \ 
--enable-pcntl \ 
--enable-shmop \ 
--enable-soap \ 
--enable-sockets \ 
--enable-sysvsem \ 
--enable-xml \ 
--enable-zip \ 
--enable-static \ 
--with-mysqli=mysqlnd \ 
--with-pdo-mysql=mysqlnd \ 
--with-freetype-dir \ 
--with-jpeg-dir \ 
--with-png-dir \ 
--disable-debug \ 
--disable-fileinfo \ 
--enable-maintainer-z

#编译安装
make clean && make -j 4 && make install

[root@localhost soft]# php -v
PHP 7.2.7 (cli) (built: Sep 12 2018 02:27:48) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies

cp /datas/soft/php72/php.ini-production /datas/soft/php72/etc/php.ini

[root@localhost soft]# php -i | grep dir
Scan this dir for additional .ini files => (none)
extension_dir => /datas/soft/php72/lib/php/extensions/no-debug-non-zts-20170718 => /datas/soft/php72/lib/php/extensions/no-debug-non-zts-20170718

vi /datas/soft/php72/etc/php.ini

#找到extension_dir 

设置extension_dir = "/datas/soft/php72/lib/php/extensions/no-debug-non-zts-20170718"

  cd swoole-src-4.0.3
　make clean
  /datas/soft/php72/bin/phpize 
  ./configure --enable-async-redis --with-php-config=/datas/soft/php72/bin/php-config 
  make
  make install
  php -m