SDL2: LNK1561: entry point must be defined

Question

I want to compile this code:

#include 

int main(int argc, char* argv[]) {
    return 0;
}

But it can\'t be linked: Erro

Answer 1

DON'T #undef main! while its a really bad practice on the SDL side to redefine it, they have good reasons: WinMain is defined on the library side and used to run some init code, helping with compatibility issues. (even more when using different SDL implementations, like Steam's or porting to other platforms like Android)

So what should you do? When on Windows, you should always include SDL2main.lib before SDL2.lib and make sure your main is in the format:

int main(int argc, char* argv[]) // CORRECT
void main(int argc, char* argv[]) // WRONG
int main(int, char**) // MAY BE CORRECT

Source: SDL2 Windows FAQ