1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin. 2 // Copyright 2015-2019 Antony Polukhin. 3 // 4 // Distributed under the Boost Software License, Version 1.0. 5 // (See accompanying file LICENSE_1_0.txt 6 // or copy at http://www.boost.org/LICENSE_1_0.txt) 7 8 #include "../b2_workarounds.hpp" // contains dll_test::replace_with_full_path 9 10 //[callplugcpp_tutorial1 11 #include <boost/dll/import.hpp> // for import_alias 12 #include <iostream> 13 #include "../tutorial_common/my_plugin_api.hpp" 14 15 namespace dll = boost::dll; 16 main(int argc,char * argv[])17int main(int argc, char* argv[]) { 18 /*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/ 19 boost::dll::fs::path lib_path(argv[1]); // argv[1] contains path to directory with our plugin library 20 boost::shared_ptr<my_plugin_api> plugin; // variable to hold a pointer to plugin variable 21 std::cout << "Loading the plugin" << std::endl; 22 23 plugin = dll::import<my_plugin_api>( // type of imported symbol is located between `<` and `>` 24 lib_path / "my_plugin_sum", // path to the library and library name 25 "plugin", // name of the symbol to import 26 dll::load_mode::append_decorations // makes `libmy_plugin_sum.so` or `my_plugin_sum.dll` from `my_plugin_sum` 27 ); 28 29 std::cout << "plugin->calculate(1.5, 1.5) call: " << plugin->calculate(1.5, 1.5) << std::endl; 30 } 31 //] 32