Thanks！
The output of nginx -V is:
[root@localhost ~]# /web/software/nginx/sbin/nginx -V
nginx: nginx version: nginx/1.0.0
nginx: TLS SNI support enabled
nginx: configure arguments: --prefix=/web/software/nginx --with-google_perftools_module --user=www --group=www --prefix=/web/software/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre --add-module=../ngx_cache_purge-1.3 --add-module=../ngx_http_redis-0.3.2 --add-module=../kkung-nginx-static-etags-ce0fdd4 --add-module=../agentzh-memc-nginx-module-25454a8 --add-module=../ngx_http_upstream_keepalive-2ee28064a04a --add-module=../simpl-ngx_http_set_hash-cfdd587 --add-module=../simpl-ngx_devel_kit-7dbb4ce --with-ld-opt='-L/web/software/openssl/lib/ -L/web/software/zlib/lib/'