linux - centos nginx nginx: [emerg] unknown directive "if"?

Question

这是什么情况？我启动nginx的时候出现： nginx: [emerg] unknown directive "if" in /opt/nginx/conf/nginx.conf:16 google 一下也没有打到答案有没有和我一样遇到过的呢？

Answer 1

Already solved. The system is missing the "pcre-8.20＂ package