php编译扩展库时报错：Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable. Then, rerun this script.
解决方案：
- yum install m4
- yum -y install autoconf
php编译扩展库时报错：Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable. Then, rerun this script.
原文：https://www.cnblogs.com/WackMr/p/10929877.html
