diff --git a/src/framework/CMakeLists.txt b/src/framework/CMakeLists.txt
index 4316cd1b..e5c18712 100644
--- a/src/framework/CMakeLists.txt
+++ b/src/framework/CMakeLists.txt
@@ -237,12 +237,14 @@ else()
     message(STATUS "Crash handler: OFF")
 endif()
 
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
 if(WIN32)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthreads")
     set(framework_DEFINITIONS ${framework_DEFINITIONS} -D_WIN32_WINNT=0x0501)
     set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,--large-address-aware") # strip all debug information
     set(SYSTEM_LIBRARIES "")
 elseif(APPLE)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
     set(framework_DEFINITIONS ${framework_DEFINITIONS} -D_REENTRANT) # enable thread safe code
     set(SYSTEM_LIBRARIES "")
 else()
diff --git a/src/framework/cmake/FindOpenAL.cmake b/src/framework/cmake/FindOpenAL.cmake
index e4972173..4b7ed1eb 100644
--- a/src/framework/cmake/FindOpenAL.cmake
+++ b/src/framework/cmake/FindOpenAL.cmake
@@ -3,13 +3,14 @@
 #  OPENAL_INCLUDE_DIR - the OPENAL include directory
 #  OPENAL_LIBRARY - the OPENAL library
 
-FIND_PATH(OPENAL_INCLUDE_DIR NAMES AL/al.h)
+SET(OPENAL_APPLE_PATHS ~/Library/Frameworks /Library/Frameworks)
+FIND_PATH(OPENAL_INCLUDE_DIR NAMES AL/al.h PATHS ${OPENAL_APPLE_PATHS})
 SET(_OPENAL_STATIC_LIBS libOpenAL.a libal.a libopenal.a libOpenAL32.a)
 SET(_OPENAL_SHARED_LIBS libOpenAL.dll.a libal.dll.a libopenal.dll.a libOpenAL32.dll.a OpenAL al openal OpenAL32)
 IF(USE_STATIC_LIBS)
-    FIND_LIBRARY(OPENAL_LIBRARY NAMES ${_OPENAL_STATIC_LIBS} ${_OPENAL_SHARED_LIBS})
+    FIND_LIBRARY(OPENAL_LIBRARY NAMES ${_OPENAL_STATIC_LIBS} ${_OPENAL_SHARED_LIBS} PATHS ${OPENAL_APPLE_PATHS})
 ELSE()
-    FIND_LIBRARY(OPENAL_LIBRARY NAMES ${_OPENAL_SHARED_LIBS} ${_OPENAL_STATIC_LIBS})
+    FIND_LIBRARY(OPENAL_LIBRARY NAMES ${_OPENAL_SHARED_LIBS} ${_OPENAL_STATIC_LIBS} PATHS ${OPENAL_APPLE_PATHS})
 ENDIF()
 INCLUDE(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(OPENAL DEFAULT_MSG OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
diff --git a/src/framework/core/eventdispatcher.cpp b/src/framework/core/eventdispatcher.cpp
index 10365003..5f7547cb 100644
--- a/src/framework/core/eventdispatcher.cpp
+++ b/src/framework/core/eventdispatcher.cpp
@@ -75,16 +75,6 @@ void EventDispatcher::poll()
         }
         m_pollEventsSize = m_eventList.size();
     }
-
-    for(auto it = m_coroutines.begin(); it != m_coroutines.end();) {
-        stdext::coroutine& coroutine = (*it);
-        if(coroutine.is_finished())
-            it = m_coroutines.erase(it);
-        else {
-            coroutine.resume();
-            ++it;
-        }
-    }
 }
 
 ScheduledEventPtr EventDispatcher::scheduleEvent(const std::function<void()>& callback, int delay)
@@ -125,7 +115,3 @@ EventPtr EventDispatcher::addEvent(const std::function<void()>& callback, bool p
     return event;
 }
 
-void EventDispatcher::addCoroutine(const stdext::coroutine& coroutine)
-{
-    m_coroutines.push_back(coroutine);
-}
diff --git a/src/framework/core/eventdispatcher.h b/src/framework/core/eventdispatcher.h
index 0ae83a19..2b837e12 100644
--- a/src/framework/core/eventdispatcher.h
+++ b/src/framework/core/eventdispatcher.h
@@ -27,7 +27,6 @@
 #include "scheduledevent.h"
 
 #include <queue>
-#include <framework/stdext/coroutine.h>
 
 // @bindsingleton g_dispatcher
 class EventDispatcher
@@ -36,7 +35,6 @@ public:
     void shutdown();
     void poll();
 
-    void addCoroutine(const stdext::coroutine& coroutine);
     EventPtr addEvent(const std::function<void()>& callback, bool pushFront = false);
     ScheduledEventPtr scheduleEvent(const std::function<void()>& callback, int delay);
     ScheduledEventPtr cycleEvent(const std::function<void()>& callback, int delay);
@@ -46,7 +44,6 @@ private:
     int m_pollEventsSize;
     stdext::boolean<false> m_disabled;
     std::priority_queue<ScheduledEventPtr, std::vector<ScheduledEventPtr>, lessScheduledEvent> m_scheduledEventList;
-    std::list<stdext::coroutine> m_coroutines;
 };
 
 extern EventDispatcher g_dispatcher;
diff --git a/src/framework/luaengine/luabinder.h b/src/framework/luaengine/luabinder.h
index d58ef085..bb4e5027 100644
--- a/src/framework/luaengine/luabinder.h
+++ b/src/framework/luaengine/luabinder.h
@@ -205,7 +205,7 @@ namespace luabinder
     template<typename C>
     LuaCppFunction bind_mem_fun(int (C::*f)(LuaInterface*)) {
         auto mf = std::mem_fn(f);
-        return [=](LuaInterface* lua) -> int {
+        return [=](LuaInterface* lua) mutable -> int {
             auto obj = lua->castValue<stdext::shared_object_ptr<C>>(1);
             lua->remove(1);
             return mf(obj, lua);
diff --git a/src/framework/net/protocol.cpp b/src/framework/net/protocol.cpp
index e90b3f0d..ae0c1be1 100644
--- a/src/framework/net/protocol.cpp
+++ b/src/framework/net/protocol.cpp
@@ -23,6 +23,7 @@
 #include "protocol.h"
 #include "connection.h"
 #include <framework/core/application.h>
+#include <random>
 
 Protocol::Protocol()
 {
diff --git a/src/framework/stdext/coroutine.h b/src/framework/stdext/coroutine.h
deleted file mode 100644
index 61c33701..00000000
--- a/src/framework/stdext/coroutine.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef COROUTINE_H
-#define COROUTINE_H
-
-#include "thread.h"
-#include <functional>
-#include <cassert>
-
-namespace stdext {
-
-class coroutine
-{
-    struct codata : public stdext::shared_object {
-        std::unique_ptr<std::thread> thread;
-        std::condition_variable conditionVar;
-        std::mutex mutex;
-        std::function<void()> func;
-    };
-
-    stdext::shared_object_ptr<codata> m;
-
-    void run() {
-        assert(m->func);
-        m->func();
-        std::lock_guard<std::mutex> lock(m->mutex);
-        m->func = nullptr;
-        m->conditionVar.notify_all();
-    }
-
-public:
-    coroutine() : m(stdext::make_shared_object<codata>()) { }
-    coroutine(const coroutine& other) : m(other.m) { }
-
-    coroutine& operator=(const coroutine& other) { m = other.m; return *this; }
-
-    ~coroutine() {
-        if(m.is_unique()) {
-            m->conditionVar.notify_all();
-            m->thread->join();
-            assert(!m->func);
-        }
-    }
-
-    void create(const std::function<void()>& func) {
-        assert(!!func && !m->func);
-        m->func = func;
-    }
-
-    void yield() const {
-        std::unique_lock<std::mutex> lock(m->mutex);
-        m->conditionVar.notify_all();
-        m->conditionVar.wait(lock);
-    }
-
-    void resume() {
-        if(!m->thread) {
-            std::unique_lock<std::mutex> lock(m->mutex);
-            m->thread.reset(new std::thread(std::bind(&coroutine::run, this)));
-            m->conditionVar.wait(lock); // wait for the thread to start
-        } else {
-            std::unique_lock<std::mutex> lock(m->mutex);
-            assert(m->func);
-            m->conditionVar.notify_all();
-            m->conditionVar.wait(lock);
-        }
-    }
-
-    void join() {
-        while(!is_finished())
-            resume();
-    }
-
-    bool is_suspended() { return !!m->func; }
-    bool is_finished() { return !m->func; }
-};
-
-};
-
-#endif
diff --git a/src/framework/stdext/types.h b/src/framework/stdext/types.h
index a01e4fb6..a6824542 100644
--- a/src/framework/stdext/types.h
+++ b/src/framework/stdext/types.h
@@ -24,6 +24,7 @@
 #define STDEXT_TYPES_H
 
 #include <cstdint>
+#include <cstddef>
 
 typedef unsigned char uchar;
 typedef unsigned short ushort;