Platform: I'm sorry for breaking the build.

src/Magnum/Platform/Test/Sdl2ApplicationTest.cpp

@@ -31,7 +31,6 @@
 
 #include "Magnum/ImageView.h"
 #include "Magnum/Math/ConfigurationValue.h"
-#include "Magnum/GL/DefaultFramebuffer.h"
 #include "Magnum/Platform/Sdl2Application.h"
 #include "Magnum/Trade/AbstractImporter.h"
 #include "Magnum/Trade/ImageData.h"
@@ -48,6 +47,10 @@
 #pragma clang diagnostic pop
 #endif
 
+#ifdef MAGNUM_TARGET_GL
+#include "Magnum/GL/DefaultFramebuffer.h"
+#endif
+
 namespace Magnum { namespace Platform { namespace Test { namespace {
 
 struct Sdl2ApplicationTest: Platform::Application {
@@ -69,7 +72,9 @@ struct Sdl2ApplicationTest: Platform::Application {
 
     void drawEvent() override {
         Debug{} << "draw event";
+        #ifdef MAGNUM_TARGET_GL
         GL::defaultFramebuffer.clear(GL::FramebufferClear::Color);
+        #endif
 
         swapBuffers();
     }