Hijack SDL2 and GLEW include and library when compiling to javascript
emscripten already provides the SDL2 suite and will simply ignore
missing libraries.
//
// Prefix header for all source files of the 'CocoaTouchStaticLibrary' target in the 'CocoaTouchStaticLibrary' project.
//
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#endif