[DEV] add v1.66.0

libs/dll/example/tutorial4/load_self.cpp

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+// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
+// Copyright 2015 Antony Polukhin.
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// MinGW related workaround
+#define BOOST_DLL_FORCE_ALIAS_INSTANTIATION
+
+//[plugcpp_my_plugin_load_self
+#include <boost/dll/shared_library.hpp>         // for shared_library
+#include <boost/dll/runtime_symbol_info.hpp>    // for program_location()
+#include "static_plugin.hpp"                    // without this headers some compilers may optimize out the `create_plugin` symbol
+#include <boost/function.hpp>
+#include <iostream>
+
+namespace dll = boost::dll;
+
+int main() {
+    dll::shared_library self(dll::program_location());
+
+    std::cout << "Call function" << std::endl;
+    boost::function<boost::shared_ptr<my_plugin_api>()> creator 
+        = self.get_alias<boost::shared_ptr<my_plugin_api>()>("create_plugin");
+
+    std::cout << "Computed Value: " << creator()->calculate(2, 2) << std::endl;
+    //<-
+    {
+        // This block is invisible for Quickbook documentation
+        float res = creator()->calculate(10, 10);
+        if (!(res > -0.0001 && res < 0.00001)) {
+            throw std::runtime_error("Failed check: res > -0.0001 && res < 0.00001");
+        }
+    }
+    //->
+}
+
+//]

libs/dll/example/tutorial4/static_plugin.cpp

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+// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
+// Copyright 2015 Antony Polukhin.
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//[plugcpp_my_plugin_staic_impl
+#include "static_plugin.hpp" // this is essential, BOOST_SYMBOL_ALIAS must be seen in this file
+
+#include <boost/make_shared.hpp>
+#include <iostream>
+
+namespace my_namespace {
+
+class my_plugin_static : public my_plugin_api {
+public:
+    my_plugin_static() {
+        std::cout << "Constructing my_plugin_static" << std::endl;
+    }
+
+    std::string name() const {
+        return "static";
+    }
+
+    float calculate(float x, float y) {
+        return x - y;
+    }
+
+    ~my_plugin_static() {
+        std::cout << "Destructing my_plugin_static" << std::endl;
+    }
+};
+
+boost::shared_ptr<my_plugin_api> create_plugin() {
+    return boost::make_shared<my_plugin_static>();
+}
+
+} // namespace my_namespace
+
+//]
+

libs/dll/example/tutorial4/static_plugin.hpp

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+// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
+// Copyright 2015 Antony Polukhin.
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//[plugcpp_my_plugin_static
+#include <boost/dll/alias.hpp>                          // for BOOST_DLL_ALIAS
+#include <boost/shared_ptr.hpp>
+#include "../tutorial_common/my_plugin_api.hpp"
+
+namespace my_namespace {
+    boost::shared_ptr<my_plugin_api> create_plugin();   // Forward declaration
+} // namespace my_namespace
+
+BOOST_DLL_ALIAS(
+    my_namespace::create_plugin,                        // <-- this function is exported with...
+    create_plugin                                       // <-- ...this alias name
+)
+//]
+