ref: b1e009f93c40ddaf5c9c663b4dfae82b2e90d1d2 dir: /vs2019_project/ft2-clone/sdl/include/SDL2/SDL_revision.h/
#define SDL_REVISION "https://github.com/libsdl-org/SDL.git@25f9ed87ff6947d9576fc9d79dee0784e638ac58" #define SDL_REVISION_NUMBER 0