c++ - The sample code I got from cpp-netlib won't compile -

// copyright 2009 (c) tarro, inc. // copyright 2009 (c) dean michael berris <mikhailberis@gmail.com> // distributed under boost software license, version 1.0. // (see accompanying file license_1_0.txt or copy @ // http://www.boost.org/license_1_0.txt) //  //[ hello_world_server_main /*`   part of 'hello world' example. it's used   demonstrate how easy set http server.  in   example create request handler , run server.  */ #include <boost/network/protocol/http/server.hpp> #include <iostream>   namespace http = boost::network::http;   /*<< defines server. >>*/ struct hello_world; typedef http::server<hello_world> server;  /*<< defines request handler.  it's class defines 2      functions, `operator()` , `log()` >>*/ struct hello_world {     /*<< function handles incoming request. >>*/     void operator() (server::request const &request,                      server::response &response) {         server::string_type ip = source(request);         std::ostringstream data;         data << "hello, " << ip << "!";         response = server::response::stock_reply(             server::response::ok, data.str());     }     /*<< it's necessary define log function, it's ignored in          example. >>*/     void log(...) {         // nothing     } };   int main(int argc, char * argv[]) {      if (argc != 3) {         std::cerr << "usage: " << argv[0] << " address port" << std::endl;         return 1;     }      try {         /*<< creates request handler. >>*/         hello_world handler;         /*<< creates server. >>*/         server server_(argv[1], argv[2], handler);         /*<< runs server. >>*/         server_.run();     }     catch (std::exception &e) {         std::cerr << e.what() << std::endl;         return 1;     }      return 0; } //] 

i suspect it's not linking libraries correctly. error when run make. can run example fine off cpp-netlib folder when try copy code , put in own folder, doesn't compile.

/home/stanley/cmpt373/textadventure/tools/simple_server_test/simpleservertest.cpp: in function ‘int main(int, char**)’:     /home/stanley/cmpt373/textadventure/tools/simple_server_test/simpleservertest.cpp:56:49: error: no matching function call ‘boost::network::http::server<hello_world>::server(char*&, char*&, hello_world&)’              server server_(argv[1], argv[2], handler);                                                      ^     /home/stanley/cmpt373/textadventure/tools/simple_server_test/simpleservertest.cpp:56:49: note: candidate is:     in file included /home/stanley/cmpt373/textadventure/tools/simple_server_test/simpleservertest.cpp:14:0:     /home/stanley/cmpt373/textadventure/include/boost/network/protocol/http/server.hpp:44:12: note: boost::network::http::server<handler>::server(const options&) [with handler = hello_world; boost::network::http::server<handler>::options = boost::network::http::server_options<boost::network::http::tags::http_server, hello_world>]        explicit server(options const &options) : server_base(options) {}                 ^     /home/stanley/cmpt373/textadventure/include/boost/network/protocol/http/server.hpp:44:12: note:   candidate expects 1 argument, 3 provided     make[2]: *** [tools/simple_server_test/cmakefiles/simpleservertest.dir/simpleservertest.cpp.o] error 1     make[1]: *** [tools/simple_server_test/cmakefiles/simpleservertest.dir/all] error 2     make: *** [all] error 2 

note in cmakelists.txt under root directory, there 1 line asio

include_directories(deps/asio/asio/include) 

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