diff --git a/CMakeLists.txt b/CMakeLists.txt
index a588695..6b71101 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,9 +6,9 @@ set(CMAKE_MODULE_PATH "${opendf_SOURCE_DIR}/cmake" "${CMAKE_MODULE_PATH}")
 
 include(CheckCXXCompilerFlag)
 
-check_cxx_compiler_flag(-std=c++11 HAVE_STD_CXX11)
-if(HAVE_STD_CXX11)
-    set(CMAKE_CXX_FLAGS "-std=c++11 ${CMAKE_CXX_FLAGS}")
+check_cxx_compiler_flag(-std=c++17 HAVE_STD_CXX17)
+if(HAVE_STD_CXX17)
+    set(CMAKE_CXX_FLAGS "-std=c++17 ${CMAKE_CXX_FLAGS}")
 endif()
 
 if(MSVC)
diff --git a/src/bsatool/bsatool.cpp b/src/bsatool/bsatool.cpp
index 3acf695..9700089 100644
--- a/src/bsatool/bsatool.cpp
+++ b/src/bsatool/bsatool.cpp
@@ -8,6 +8,7 @@
 #include <iomanip>
 #include <cstring>
 #include <array>
+#include <cstddef>
 
 #include "components/archives/bsaarchive.hpp"
 
diff --git a/src/components/archives/bsaarchive.cpp b/src/components/archives/bsaarchive.cpp
index c6334c9..42e1e4e 100644
--- a/src/components/archives/bsaarchive.cpp
+++ b/src/components/archives/bsaarchive.cpp
@@ -3,6 +3,7 @@
 
 #include <sstream>
 #include <fstream>
+#include <cstddef>
 
 
 namespace Archives
diff --git a/src/components/dfosg/meshloader.cpp b/src/components/dfosg/meshloader.cpp
index e7eea58..78ed9b4 100644
--- a/src/components/dfosg/meshloader.cpp
+++ b/src/components/dfosg/meshloader.cpp
@@ -2,6 +2,7 @@
 #include "meshloader.hpp"
 
 #include <algorithm>
+#include <cstddef>
 
 #include <osg/Geode>
 #include <osg/Billboard>
diff --git a/src/components/dfosg/meshloader.hpp b/src/components/dfosg/meshloader.hpp
index e8955a8..990e2be 100644
--- a/src/components/dfosg/meshloader.hpp
+++ b/src/components/dfosg/meshloader.hpp
@@ -4,6 +4,8 @@
 #include <vector>
 #include <map>
 #include <cstdint>
+#include <istream>
+#include <cstddef>
 
 
 namespace osg
diff --git a/src/components/dfosg/texloader.cpp b/src/components/dfosg/texloader.cpp
index 56eb90c..f7265ec 100644
--- a/src/components/dfosg/texloader.cpp
+++ b/src/components/dfosg/texloader.cpp
@@ -4,6 +4,7 @@
 #include <vector>
 #include <sstream>
 #include <iomanip>
+#include <cstddef>
 
 #include <osg/Image>
 
diff --git a/src/components/mygui_osg/datamanager.cpp b/src/components/mygui_osg/datamanager.cpp
index a32bcd7..2321fc1 100644
--- a/src/components/mygui_osg/datamanager.cpp
+++ b/src/components/mygui_osg/datamanager.cpp
@@ -56,7 +56,7 @@ class DataStream : public MyGUI::IDataStream {
 namespace MyGUI_OSG
 {
 
-MyGUI::IDataStream *DataManager::getData(const std::string &_name)
+MyGUI::IDataStream *DataManager::getData(const std::string &_name) const
 {
     VFS::IStreamPtr stream = VFS::Manager::get().open(_name.c_str());
     if(!stream) return nullptr;
@@ -68,12 +68,12 @@ void DataManager::freeData(MyGUI::IDataStream *_data)
     delete _data;
 }
 
-bool DataManager::isDataExist(const std::string &_name)
+bool DataManager::isDataExist(const std::string &_name) const
 {
     return VFS::Manager::get().exists(_name.c_str());
 }
 
-const MyGUI::VectorString &DataManager::getDataListNames(const std::string &_pattern)
+const MyGUI::VectorString &DataManager::getDataListNames(const std::string &_pattern) const
 {
     static MyGUI::VectorString namelist;
 
@@ -84,7 +84,7 @@ const MyGUI::VectorString &DataManager::getDataListNames(const std::string &_pat
     return namelist;
 }
 
-const std::string &DataManager::getDataPath(const std::string &_name)
+const std::string &DataManager::getDataPath(const std::string &_name) const
 {
     static std::string path;
 
diff --git a/src/components/mygui_osg/datamanager.h b/src/components/mygui_osg/datamanager.h
index bd39965..39d91c5 100644
--- a/src/components/mygui_osg/datamanager.h
+++ b/src/components/mygui_osg/datamanager.h
@@ -11,32 +11,35 @@ namespace MyGUI_OSG
 class DataManager : public MyGUI::DataManager {
 public:
 
+    DataManager() {};
+    virtual ~DataManager() {};
+
     /** Get data stream from specified resource name.
         @param _name Resource name (usually file name).
     */
-    virtual MyGUI::IDataStream* getData(const std::string &_name) final;
+    virtual MyGUI::IDataStream* getData(const std::string& _name) const;
 
     /** Free data stream.
         @param _data Data stream.
     */
-    virtual void freeData(MyGUI::IDataStream *_data) final;
+    virtual void freeData(MyGUI::IDataStream* _data);
 
     /** Is data with specified name exist.
         @param _name Resource name.
     */
-    virtual bool isDataExist(const std::string &_name) final;
+    virtual bool isDataExist(const std::string& _name) const;
 
     /** Get all data names with names that matches pattern.
         @param _pattern Pattern to match (for example "*.layout").
     */
-    virtual const MyGUI::VectorString &getDataListNames(const std::string &_pattern) final;
+    virtual const MyGUI::VectorString& getDataListNames(const std::string& _pattern) const;
 
     /** Get full path to data.
         @param _name Resource name.
         @return Return full path to specified data.
         For example getDataPath("My.layout") might return "C:\path\to\project\data\My.layout"
     */
-    virtual const std::string &getDataPath(const std::string &_name) final;
+    virtual const std::string& getDataPath(const std::string& _name) const;
 };
 
 } // namespace MyGUI_OSG
diff --git a/src/components/mygui_osg/diagnostic.h b/src/components/mygui_osg/diagnostic.h
index 8f5984e..d225c18 100644
--- a/src/components/mygui_osg/diagnostic.h
+++ b/src/components/mygui_osg/diagnostic.h
@@ -15,7 +15,6 @@
 
 #define MYGUI_PLATFORM_EXCEPT(dest) do { \
 	MYGUI_PLATFORM_LOG(Critical, dest); \
-	MYGUI_DBG_BREAK;\
 	std::ostringstream stream; \
 	stream << dest << "\n"; \
 	MYGUI_BASE_EXCEPT(stream.str().c_str(), "MyGUI"); \
@@ -25,7 +24,6 @@
 	if ( ! (exp) ) \
 	{ \
 		MYGUI_PLATFORM_LOG(Critical, dest); \
-		MYGUI_DBG_BREAK;\
 		std::ostringstream stream; \
 		stream << dest << "\n"; \
 		MYGUI_BASE_EXCEPT(stream.str().c_str(), "MyGUI"); \
diff --git a/src/components/mygui_osg/rendermanager.h b/src/components/mygui_osg/rendermanager.h
index 8100085..53e6551 100644
--- a/src/components/mygui_osg/rendermanager.h
+++ b/src/components/mygui_osg/rendermanager.h
@@ -57,7 +57,7 @@ class RenderManager : public MyGUI::RenderManager, public MyGUI::IRenderTarget
     virtual const MyGUI::IntSize& getViewSize() const { return mViewSize; }
 
     /** @see RenderManager::getVertexFormat */
-    virtual MyGUI::VertexColourType getVertexFormat() { return mVertexFormat; }
+    virtual MyGUI::VertexColourType getVertexFormat() const { return mVertexFormat; }
 
     /** @see RenderManager::isFormatSupported */
     virtual bool isFormatSupported(MyGUI::PixelFormat format, MyGUI::TextureUsage usage);
@@ -82,11 +82,18 @@ class RenderManager : public MyGUI::RenderManager, public MyGUI::IRenderTarget
     /** @see IRenderTarget::doRender */
     virtual void doRender(MyGUI::IVertexBuffer *buffer, MyGUI::ITexture *texture, size_t count);
     /** @see IRenderTarget::getInfo */
-    virtual const MyGUI::RenderTargetInfo& getInfo() { return mInfo; }
+    virtual const MyGUI::RenderTargetInfo& getInfo() const { return mInfo; }
 
 /*internal:*/
     void drawFrame(osg::RenderInfo &renderInfo);
-    void setViewSize(int width, int height);
+    virtual void setViewSize(int width, int height);
+
+
+    // Fake
+    virtual void registerShader(
+        const std::string& _shaderName,
+        const std::string& _vertexProgramFile,
+        const std::string& _fragmentProgramFile) {};
 };
 
 } // namespace MyGUI_OSG
diff --git a/src/components/mygui_osg/texture.cpp b/src/components/mygui_osg/texture.cpp
index 6771524..2b624f7 100644
--- a/src/components/mygui_osg/texture.cpp
+++ b/src/components/mygui_osg/texture.cpp
@@ -133,7 +133,7 @@ void Texture::saveToFile(const std::string &fname)
 }
 
 
-int Texture::getWidth()
+int Texture::getWidth() const
 {
     if(!mTexture.valid())
         return 0;
@@ -142,7 +142,7 @@ int Texture::getWidth()
     return mTexture->getTextureWidth();
 }
 
-int Texture::getHeight()
+int Texture::getHeight() const
 {
     if(!mTexture.valid())
         return 0;
@@ -182,7 +182,7 @@ void Texture::unlock()
     mLockedImage = nullptr;
 }
 
-bool Texture::isLocked()
+bool Texture::isLocked() const
 {
     return mLockedImage.valid();
 }
diff --git a/src/components/mygui_osg/texture.h b/src/components/mygui_osg/texture.h
index 8cbc4d4..32f25d3 100644
--- a/src/components/mygui_osg/texture.h
+++ b/src/components/mygui_osg/texture.h
@@ -1,6 +1,7 @@
 #ifndef COMPONENTS_MYGUI_OSG_TEXTURE_H
 #define COMPONENTS_MYGUI_OSG_TEXTURE_H
 
+#include <cstddef>
 #include <MYGUI/MyGUI_ITexture.h>
 
 #include <osg/ref_ptr>
@@ -37,19 +38,22 @@ class Texture : public MyGUI::ITexture {
 
     virtual void* lock(MyGUI::TextureUsage access);
     virtual void unlock();
-    virtual bool isLocked();
+    virtual bool isLocked() const;
 
-    virtual int getWidth();
-    virtual int getHeight();
+    virtual int getWidth() const;
+    virtual int getHeight() const;
 
-    virtual MyGUI::PixelFormat getFormat() { return mFormat; }
-    virtual MyGUI::TextureUsage getUsage() { return mUsage; }
-    virtual size_t getNumElemBytes() { return mNumElemBytes; }
+    virtual MyGUI::PixelFormat getFormat() const { return mFormat; }
+    virtual MyGUI::TextureUsage getUsage() const { return mUsage; }
+    virtual size_t getNumElemBytes() const { return mNumElemBytes; }
 
     virtual MyGUI::IRenderTarget *getRenderTarget();
 
 /*internal:*/
     osg::Texture2D *getTexture() const { return mTexture.get(); }
+
+    //fake
+    virtual void setShader(const std::string& _shaderName) {};
 };
 
 } // namespace MyGUI_OSG
diff --git a/src/components/mygui_osg/vertexbuffer.cpp b/src/components/mygui_osg/vertexbuffer.cpp
index 233c787..d1fb38d 100644
--- a/src/components/mygui_osg/vertexbuffer.cpp
+++ b/src/components/mygui_osg/vertexbuffer.cpp
@@ -33,7 +33,7 @@ void VertexBuffer::setVertexCount(size_t count)
     create();
 }
 
-size_t VertexBuffer::getVertexCount()
+size_t VertexBuffer::getVertexCount() const
 {
     return mNeedVertexCount;
 }
diff --git a/src/components/mygui_osg/vertexbuffer.h b/src/components/mygui_osg/vertexbuffer.h
index f7d8c60..38e35a1 100644
--- a/src/components/mygui_osg/vertexbuffer.h
+++ b/src/components/mygui_osg/vertexbuffer.h
@@ -2,6 +2,7 @@
 #define COMPONENTS_MYGUI_OSG_VERTEXBUFFER_H
 
 #include <vector>
+#include <cstddef>
 
 #include <MYGUI/MyGUI_IVertexBuffer.h>
 
@@ -27,7 +28,7 @@ class VertexBuffer : public MyGUI::IVertexBuffer {
     virtual ~VertexBuffer();
 
     virtual void setVertexCount(size_t count);
-    virtual size_t getVertexCount();
+    virtual size_t getVertexCount() const;
 
     virtual MyGUI::Vertex *lock();
     virtual void unlock();
diff --git a/src/components/resource/meshmanager.hpp b/src/components/resource/meshmanager.hpp
index ed8e338..30daf60 100644
--- a/src/components/resource/meshmanager.hpp
+++ b/src/components/resource/meshmanager.hpp
@@ -2,6 +2,8 @@
 #define COMPONENTS_RESOURCE_MESHMANAGER_HPP
 
 #include <map>
+#include <cstddef>
+
 
 #include <osg/ref_ptr>
 
diff --git a/src/components/resource/texturemanager.hpp b/src/components/resource/texturemanager.hpp
index b029084..b4e4427 100644
--- a/src/components/resource/texturemanager.hpp
+++ b/src/components/resource/texturemanager.hpp
@@ -5,6 +5,7 @@
 #include <array>
 #include <map>
 #include <cstdint>
+#include <cstddef>
 
 #include <osg/ref_ptr>
 #include <osg/observer_ptr>
diff --git a/src/components/sdlutil/graphicswindow.cpp b/src/components/sdlutil/graphicswindow.cpp
index 75eac9d..28092f4 100644
--- a/src/components/sdlutil/graphicswindow.cpp
+++ b/src/components/sdlutil/graphicswindow.cpp
@@ -307,9 +307,6 @@ class SDL2WindowingSystemInterface : public osg::GraphicsContext::WindowingSyste
 };
 
 // declare C entry point for static compilation.
-extern "C" void graphicswindow_SDL2(void)
-{
-    osg::GraphicsContext::setWindowingSystemInterface(new SDL2WindowingSystemInterface);
-}
+REGISTER_WINDOWINGSYSTEMINTERFACE(SDL2, SDL2WindowingSystemInterface);
 
 }