D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::clear(sf::Color const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:97: undefined reference to `glClearColor'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:98: undefined reference to `glClear'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::draw(sf::Vertex const*, unsigned long long, sf::PrimitiveType, sf::RenderStates const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:267: undefined reference to `glVertexPointer'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:268: undefined reference to `glColorPointer'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:269: undefined reference to `glTexCoordPointer'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:278: undefined reference to `glDrawArrays'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::pushGLStates()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:297: undefined reference to `glGetError'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:307: undefined reference to `glPushClientAttrib'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:308: undefined reference to `glPushAttrib'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:310: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:311: undefined reference to `glPushMatrix'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:312: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:313: undefined reference to `glPushMatrix'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:314: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:315: undefined reference to `glPushMatrix'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::popGLStates()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:327: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:328: undefined reference to `glPopMatrix'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:329: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:330: undefined reference to `glPopMatrix'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:331: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:332: undefined reference to `glPopMatrix'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:334: undefined reference to `glPopClientAttrib'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:335: undefined reference to `glPopAttrib'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::resetGLStates()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:360: undefined reference to `glDisable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:361: undefined reference to `glDisable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:362: undefined reference to `glDisable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:363: undefined reference to `glDisable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:364: undefined reference to `glEnable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:365: undefined reference to `glEnable'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:366: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:367: undefined reference to `glEnableClientState'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:368: undefined reference to `glEnableClientState'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:369: undefined reference to `glEnableClientState'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::applyCurrentView()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:405: undefined reference to `glViewport'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:408: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:409: undefined reference to `glLoadMatrixf'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:412: undefined reference to `glMatrixMode'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::applyBlendMode(sf::BlendMode const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:430: undefined reference to `glBlendFunc'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderTarget.cpp.obj): In function `sf::RenderTarget::applyTransform(sf::Transform const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderTarget.cpp:471: undefined reference to `glLoadMatrixf'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(RenderWindow.cpp.obj): In function `sf::RenderWindow::capture() const':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/RenderWindow.cpp:92: undefined reference to `glReadPixels'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Shader.cpp.obj): In function `checkMaxTextureUnits':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Shader.cpp:62: undefined reference to `glGetIntegerv'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Shader.cpp.obj): In function `sf::Shader::compile(char const*, char const*)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Shader.cpp:613: undefined reference to `glFlush'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `checkMaximumTextureSize':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:64: undefined reference to `glGetIntegerv'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::~Texture()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:110: undefined reference to `glDeleteTextures'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::create(unsigned int, unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:151: undefined reference to `glGenTextures'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:178: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:179: undefined reference to `glTexImage2D'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:180: undefined reference to `glTexParameteri'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:181: undefined reference to `glTexParameteri'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:182: undefined reference to `glTexParameteri'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:183: undefined reference to `glTexParameteri'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::loadFromImage(sf::Image const&, sf::Rect<int> const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:232: undefined reference to `glFlush'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:260: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:263: undefined reference to `glTexSubImage2D'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:269: undefined reference to `glFlush'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::copyToImage() const':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:327: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:328: undefined reference to `glGetTexImage'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:336: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:337: undefined reference to `glGetTexImage'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::update(unsigned char const*, unsigned int, unsigned int, unsigned int, unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:392: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:393: undefined reference to `glTexSubImage2D'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::update(sf::Window const&, unsigned int, unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:434: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:435: undefined reference to `glCopyTexSubImage2D'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::setSmooth(bool)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:456: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:457: undefined reference to `glTexParameteri'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:458: undefined reference to `glTexParameteri'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::setRepeated(bool)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:501: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:502: undefined reference to `glTexParameteri'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:503: undefined reference to `glTexParameteri'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(Texture.cpp.obj): In function `sf::Texture::bind(sf::Texture const*, sf::Texture::CoordinateType)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:524: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:550: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:551: undefined reference to `glLoadMatrixf'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:554: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:560: undefined reference to `glBindTexture'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:563: undefined reference to `glMatrixMode'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:564: undefined reference to `glLoadIdentity'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/Texture.cpp:567: undefined reference to `glMatrixMode'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(TextureSaver.cpp.obj): In function `sf::priv::TextureSaver::TextureSaver()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/TextureSaver.cpp:38: undefined reference to `glGetIntegerv'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(TextureSaver.cpp.obj): In function `sf::priv::TextureSaver::~TextureSaver()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/TextureSaver.cpp:45: undefined reference to `glBindTexture'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(GLLoader.cpp.obj): In function `sfogl_LoadFunctions':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:443: undefined reference to `glGetString'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:456: undefined reference to `glGetIntegerv'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(GLLoader.cpp.obj): In function `GetGLVersion':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:518: undefined reference to `glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:519: undefined reference to `glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:522: undefined reference to `glGetError'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLLoader.cpp:525: undefined reference to `glGetString'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(GLCheck.cpp.obj): In function `sf::priv::glCheckError(char const*, unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/GLCheck.cpp:40: undefined reference to `glGetError'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-graphics-s-d.a(ImageLoader.cpp.obj): In function `sf::priv::ImageLoader::writeJpg(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, unsigned int, unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:278: undefined reference to `jpeg_std_error'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:281: undefined reference to `jpeg_CreateCompress'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:286: undefined reference to `jpeg_stdio_dest'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:287: undefined reference to `jpeg_set_defaults'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:288: undefined reference to `jpeg_set_quality'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:301: undefined reference to `jpeg_start_compress'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:307: undefined reference to `jpeg_write_scanlines'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:311: undefined reference to `jpeg_finish_compress'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Graphics/ImageLoader.cpp:312: undefined reference to `jpeg_destroy_compress'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(GlContext.cpp.obj): In function `sf::priv::GlContext::initialize()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:378: undefined reference to `__imp_glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:379: undefined reference to `__imp_glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:381: undefined reference to `__imp_glGetError'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:389: undefined reference to `__imp_glGetString'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:426: undefined reference to `__imp_glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:440: undefined reference to `__imp_glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:458: undefined reference to `__imp_glGetIntegerv'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:467: undefined reference to `__imp_glEnable'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(GlContext.cpp.obj): In function `sf::priv::GlContext::checkSettings(sf::ContextSettings const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:477: undefined reference to `__imp_glGetString'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/GlContext.cpp:478: undefined reference to `__imp_glGetString'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::~WglContext()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:137: undefined reference to `__imp_wglGetCurrentContext'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:138: undefined reference to `__imp_wglMakeCurrent'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:139: undefined reference to `__imp_wglDeleteContext'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::getFunction(char const*)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:155: undefined reference to `__imp_wglGetProcAddress'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::makeCurrent()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:181: undefined reference to `__imp_wglMakeCurrent'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::display()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:189: undefined reference to `__imp_SwapBuffers'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::selectBestPixelFormat(HDC__*, unsigned int, sf::ContextSettings const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:313: undefined reference to `__imp_ChoosePixelFormat'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WglContext.cpp.obj): In function `sf::priv::WglContext::createContext(sf::priv::WglContext*, unsigned int, sf::ContextSettings const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:344: undefined reference to `__imp_DescribePixelFormat'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:391: undefined reference to `__imp_SetPixelFormat'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:480: undefined reference to `__imp_wglCreateContext'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WglContext.cpp:494: undefined reference to `__imp_wglShareLists'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(WindowImplWin32.cpp.obj): In function `sf::priv::WindowImplWin32::WindowImplWin32(sf::VideoMode, sf::String const&, unsigned int, sf::ContextSettings const&)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WindowImplWin32.cpp:170: undefined reference to `__imp_GetDeviceCaps'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/WindowImplWin32.cpp:171: undefined reference to `__imp_GetDeviceCaps'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(JoystickImpl.cpp.obj): In function `sf::priv::JoystickImpl::initialize()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/JoystickImpl.cpp:161: undefined reference to `__imp_joyGetPosEx'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(JoystickImpl.cpp.obj): In function `sf::priv::JoystickImpl::isConnected(unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/JoystickImpl.cpp:191: undefined reference to `__imp_joyGetPosEx'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(JoystickImpl.cpp.obj): In function `sf::priv::JoystickImpl::open(unsigned int)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/JoystickImpl.cpp:208: undefined reference to `__imp_joyGetDevCapsW'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-window-s-d.a(JoystickImpl.cpp.obj): In function `sf::priv::JoystickImpl::update()':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/Window/Win32/JoystickImpl.cpp:266: undefined reference to `__imp_joyGetPosEx'
D:\Programme\SFML-2.3.1-GCC5.1-S-D\lib/libsfml-system-s-d.a(SleepImpl.cpp.obj): In function `sf::priv::sleepImpl(sf::Time)':
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/System/Win32/SleepImpl.cpp:41: undefined reference to `__imp_timeGetDevCaps'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/System/Win32/SleepImpl.cpp:44: undefined reference to `__imp_timeBeginPeriod'
D:/Benutzer/Siegenni/SFML Build/SFML Source/SFML-2.3.1/src/SFML/System/Win32/SleepImpl.cpp:50: undefined reference to `__imp_timeEndPeriod'
collect2.exe: error: ld returned 1 exit status