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Editorial Team
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Asked: 2026-05-24T20:59:20+00:00

I was going to migrate my game from glut to sdl. It’s working perfectly

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I was going to migrate my game from glut to sdl.

It’s working perfectly in glut but I wanted to use some sdl features.

So I go into my project properties, under the targets header I click the program that will be compiled, build phases, link binary with libraries, add SDL.framework

The exact same as I have done for OpenGL.framework and GLUT.framework

However when I add: #include <SDL/SDL.h> it comes up with a linker error when I try to build:

Undefined symbols for architecture x86_64:
  "_main", referenced from:
      __start in crt1.o
     (maybe you meant: _SDL_main)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Googling simply leads to a fair few results, but no real explanations.

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1 Answer

  1. Editorial Team

    SDL uses a macro to rename your main(..) and should supply its own, usually implemented in SDLmain.m. It should be supplied together with the SDL.framework.

    When you download the framework from here http://www.libsdl.org/download-1.2.php Read the ReadMeDevLite.txt in the devel-lite folder.

    Another description
    http://www.meandmark.com/sdlopenglpart2.html

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