Compiling errors #3
Description
I follow the instructions to install F-stack step by step, but I got some errors when compiling nginx.
root@ubuntu:~/downloads/f-stack/app/nginx-1.11.10# make -j 8
make -f objs/Makefile
make[1]: Entering directory /root/downloads/f-stack/app/nginx-1.11.10' cc -o objs/nginx \ objs/src/core/nginx.o \ objs/src/core/ngx_log.o \ objs/src/core/ngx_palloc.o \ objs/src/core/ngx_array.o \ objs/src/core/ngx_list.o \ objs/src/core/ngx_hash.o \ objs/src/core/ngx_buf.o \ objs/src/core/ngx_queue.o \ objs/src/core/ngx_output_chain.o \ objs/src/core/ngx_string.o \ objs/src/core/ngx_parse.o \ objs/src/core/ngx_parse_time.o \ objs/src/core/ngx_inet.o \ objs/src/core/ngx_file.o \ objs/src/core/ngx_crc32.o \ objs/src/core/ngx_murmurhash.o \ objs/src/core/ngx_md5.o \ objs/src/core/ngx_sha1.o \ objs/src/core/ngx_rbtree.o \ objs/src/core/ngx_radix_tree.o \ objs/src/core/ngx_slab.o \ objs/src/core/ngx_times.o \ objs/src/core/ngx_shmtx.o \ objs/src/core/ngx_connection.o \ objs/src/core/ngx_cycle.o \ objs/src/core/ngx_spinlock.o \ objs/src/core/ngx_rwlock.o \ objs/src/core/ngx_cpuinfo.o \ objs/src/core/ngx_conf_file.o \ objs/src/core/ngx_module.o \ objs/src/core/ngx_resolver.o \ objs/src/core/ngx_open_file_cache.o \ objs/src/core/ngx_crypt.o \ objs/src/core/ngx_proxy_protocol.o \ objs/src/core/ngx_syslog.o \ objs/src/event/ngx_event.o \ objs/src/event/ngx_event_timer.o \ objs/src/event/ngx_event_posted.o \ objs/src/event/ngx_event_accept.o \ objs/src/event/ngx_event_connect.o \ objs/src/event/ngx_event_pipe.o \ objs/src/os/unix/ngx_time.o \ objs/src/os/unix/ngx_errno.o \ objs/src/os/unix/ngx_alloc.o \ objs/src/os/unix/ngx_files.o \ objs/src/os/unix/ngx_socket.o \ objs/src/os/unix/ngx_recv.o \ objs/src/os/unix/ngx_readv_chain.o \ objs/src/os/unix/ngx_udp_recv.o \ objs/src/os/unix/ngx_send.o \ objs/src/os/unix/ngx_writev_chain.o \ objs/src/os/unix/ngx_udp_send.o \ objs/src/os/unix/ngx_udp_sendmsg_chain.o \ objs/src/os/unix/ngx_channel.o \ objs/src/os/unix/ngx_shmem.o \ objs/src/os/unix/ngx_process.o \ objs/src/os/unix/ngx_daemon.o \ objs/src/os/unix/ngx_setaffinity.o \ objs/src/os/unix/ngx_setproctitle.o \ objs/src/os/unix/ngx_posix_init.o \ objs/src/os/unix/ngx_user.o \ objs/src/os/unix/ngx_dlopen.o \ objs/src/os/unix/ngx_process_cycle.o \ objs/src/os/unix/ngx_linux_init.o \ objs/src/event/modules/ngx_epoll_module.o \ objs/src/os/unix/ngx_linux_sendfile_chain.o \ objs/src/event/modules/ngx_kqueue_module.o \ objs/src/event/modules/ngx_ff_module.o \ objs/src/core/ngx_regex.o \ objs/src/http/ngx_http.o \ objs/src/http/ngx_http_core_module.o \ objs/src/http/ngx_http_special_response.o \ objs/src/http/ngx_http_request.o \ objs/src/http/ngx_http_parse.o \ objs/src/http/modules/ngx_http_log_module.o \ objs/src/http/ngx_http_request_body.o \ objs/src/http/ngx_http_variables.o \ objs/src/http/ngx_http_script.o \ objs/src/http/ngx_http_upstream.o \ objs/src/http/ngx_http_upstream_round_robin.o \ objs/src/http/ngx_http_file_cache.o \ objs/src/http/ngx_http_write_filter_module.o \ objs/src/http/ngx_http_header_filter_module.o \ objs/src/http/modules/ngx_http_chunked_filter_module.o \ objs/src/http/modules/ngx_http_range_filter_module.o \ objs/src/http/modules/ngx_http_gzip_filter_module.o \ objs/src/http/ngx_http_postpone_filter_module.o \ objs/src/http/modules/ngx_http_ssi_filter_module.o \ objs/src/http/modules/ngx_http_charset_filter_module.o \ objs/src/http/modules/ngx_http_userid_filter_module.o \ objs/src/http/modules/ngx_http_headers_filter_module.o \ objs/src/http/ngx_http_copy_filter_module.o \ objs/src/http/modules/ngx_http_not_modified_filter_module.o \ objs/src/http/modules/ngx_http_static_module.o \ objs/src/http/modules/ngx_http_autoindex_module.o \ objs/src/http/modules/ngx_http_index_module.o \ objs/src/http/modules/ngx_http_auth_basic_module.o \ objs/src/http/modules/ngx_http_access_module.o \ objs/src/http/modules/ngx_http_limit_conn_module.o \ objs/src/http/modules/ngx_http_limit_req_module.o \ objs/src/http/modules/ngx_http_geo_module.o \ objs/src/http/modules/ngx_http_map_module.o \ objs/src/http/modules/ngx_http_split_clients_module.o \ objs/src/http/modules/ngx_http_referer_module.o \ objs/src/http/modules/ngx_http_rewrite_module.o \ objs/src/http/modules/ngx_http_proxy_module.o \ objs/src/http/modules/ngx_http_fastcgi_module.o \ objs/src/http/modules/ngx_http_uwsgi_module.o \ objs/src/http/modules/ngx_http_scgi_module.o \ objs/src/http/modules/ngx_http_memcached_module.o \ objs/src/http/modules/ngx_http_empty_gif_module.o \ objs/src/http/modules/ngx_http_browser_module.o \ objs/src/http/modules/ngx_http_upstream_hash_module.o \ objs/src/http/modules/ngx_http_upstream_ip_hash_module.o \ objs/src/http/modules/ngx_http_upstream_least_conn_module.o \ objs/src/http/modules/ngx_http_upstream_keepalive_module.o \ objs/src/http/modules/ngx_http_upstream_zone_module.o \ objs/ngx_modules.o \ -ldl -lpthread -lcrypt -lpcre -lz \ -Wl,-E objs/src/os/unix/ngx_process_cycle.o: In function ngx_single_process_cycle':
/root/downloads/f-stack/app/nginx-1.11.10/src/os/unix/ngx_process_cycle.c:350: undefined reference to ff_run' objs/src/event/modules/ngx_ff_module.o: In function ff_mod_init':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:88: undefined reference to ff_init' objs/src/event/modules/ngx_ff_module.o: In function socket':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:102: undefined reference to ff_socket' objs/src/event/modules/ngx_ff_module.o: In function accept':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:203: undefined reference to ff_accept' objs/src/event/modules/ngx_ff_module.o: In function select':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:278: undefined reference to ff_select' objs/src/event/modules/ngx_ff_module.o: In function recv':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:158: undefined reference to ff_recv' objs/src/event/modules/ngx_ff_module.o: In function read':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:169: undefined reference to ff_read' objs/src/event/modules/ngx_ff_module.o: In function bind':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:114: undefined reference to ff_bind' objs/src/event/modules/ngx_ff_module.o: In function connect':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:125: undefined reference to ff_connect' objs/src/event/modules/ngx_ff_module.o: In function send':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:136: undefined reference to ff_send' objs/src/event/modules/ngx_ff_module.o: In function write':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:147: undefined reference to ff_write' objs/src/event/modules/ngx_ff_module.o: In function listen':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:180: undefined reference to ff_listen' objs/src/event/modules/ngx_ff_module.o: In function setsockopt':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:192: undefined reference to ff_setsockopt' objs/src/event/modules/ngx_ff_module.o: In function accept4':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:219: undefined reference to ff_accept' objs/src/event/modules/ngx_ff_module.o: In function close':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:230: undefined reference to ff_close' objs/src/event/modules/ngx_ff_module.o: In function writev':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:241: undefined reference to ff_writev' objs/src/event/modules/ngx_ff_module.o: In function readv':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:252: undefined reference to ff_readv' objs/src/event/modules/ngx_ff_module.o: In function ioctl':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:263: undefined reference to ff_ioctl' objs/src/event/modules/ngx_ff_module.o: In function kqueue':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:287: undefined reference to ff_kqueue' objs/src/event/modules/ngx_ff_module.o: In function kevent':
/root/downloads/f-stack/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c:294: undefined reference to ff_kevent' collect2: error: ld returned 1 exit status make[1]: *** [objs/nginx] Error 1 make[1]: Leaving directory /root/downloads/f-stack/app/nginx-1.11.10'
make: *** [build] Error 2