编译PHP extension 过程报No package 'oniguruma' found

解决办法：

yum install https://mirrors.aliyun.com/epel/7/x86_64/Packages/o/oniguruma-6.8.2-2.el7.x86_64.rpm
yum install https://mirrors.aliyun.com/epel/7/x86_64/Packages/o/oniguruma-devel-6.8.2-2.el7.x86_64.rpm