apparently sdl doesn't work anymore on ios < 3.2 so it is worth to take the leap and upgrade the minimum os to 4.0, so that we can use new apis (like imageio from sdl_image)
//
// Prefix header for all source files of the 'CocoaTouchStaticLibrary' target in the 'CocoaTouchStaticLibrary' project.
//
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#endif