SDL Error Undefined symbols for architecture x86_64 “_SDL_main”

Question

I am using C++ with the SDL Cocoa and Foundation framework on my mac os x. I get the following error

Undefined symbols for architecture x86_64:
  \"_SDL_main\",         


        

Answer 1

I bet your main function signature is incorrect. You use:

int main(int argc, const char * argv[])
                   ^^^^^

but SDL_main.h wants

int main(int argc, char *argv[])

Why?

You see, SDL does something really horrific when compiling: It renames your main function to SDL_main, injecting its own main function which, in turn, calls yours.

Note that if this doesn't work, then you may be compiling with wrong flags. To be sure, get the flags by typing:

$ sdl-config --cflags --libs

For more information, see Simply including SDL header causes linker error