Tips

$ ./nginx/sbin/nginx -V
...
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC) 
built with OpenSSL 1.0.2h  3 May 2016
TLS SNI support enabled
configure arguments: 
  --prefix=/usr/local/openresty/nginx 
  --add-module=../ngx_devel_kit-0.3.0 
	...
  --with-openssl=/tmp/openssl-1.0.2h 
  --with-pcre=/tmp/pcre-8.39 
  ...
  --with-stream 
  ...