Note: If you do not enable this conditional compilation flag, you will get the release version of the driver object that will be used in the target environment.
注：如果我们没有启用这个条件编译标志，那么就可以得到一个可以在目标环境中使用的驱动程序对象文件。
2
Note: the compilation process attempts to build all of the tokens that are supported on the target platform, as well as all of the required support programs.
注：编译进程试图构建目标平台所支持的所有令牌，以及所有需要的支持程序。
3
Note that you'll need to have the appropriate SDL and SDL_image libraries installed for the compilation command above to work.