/var/folders/wk/pssxq7nx39s_y3r04p90s1p00000gn/T//ffconf.pnU29mPD/test.c: In function 'check_SDL_Init':
/var/folders/wk/pssxq7nx39s_y3r04p90s1p00000gn/T//ffconf.pnU29mPD/test.c:3:36: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
 long check_SDL_Init(void) { return (long) SDL_Init; }
                                    ^
In file included from /Users/kyle/software/sdl2/win64/sdl2-2.0.7-win64/include/SDL2/SDL.h:32:0,
                 from /var/folders/wk/pssxq7nx39s_y3r04p90s1p00000gn/T//ffconf.pnU29mPD/test.c:1:
/var/folders/wk/pssxq7nx39s_y3r04p90s1p00000gn/T//ffconf.pnU29mPD/test.c: At top level:
/Users/kyle/software/sdl2/win64/sdl2-2.0.7-win64/include/SDL2/SDL_main.h:104:17: error: conflicting types for 'SDL_main'
 #define main    SDL_main
                 ^
/var/folders/wk/pssxq7nx39s_y3r04p90s1p00000gn/T//ffconf.pnU29mPD/test.c:4:5: note: in expansion of macro 'main'
 int main(void) { int ret = 0;
     ^~~~
/Users/kyle/software/sdl2/win64/sdl2-2.0.7-win64/include/SDL2/SDL_main.h:110:31: note: previous declaration of 'SDL_main' was here
 extern C_LINKAGE DECLSPEC int SDL_main(int argc, char *argv[]);
                               ^~~~~~~~