#ifdef SDLPATH
#define SDL_PATH_CONV(x) SDL/x
#else
#define SDL_PATH_CONV(x) x
#endif
#define SDL_PATH__(x) #x
#define SDL_PATH_(x) SDL_PATH__(x)
#define SDL_PATH(x) SDL_PATH_(SDL_PATH_CONV(x))
#include SDL_PATH(SDL_image.h)