glewInit() fails on macOS

Question

So I have a piece of code that runs fine on ubuntu machine, but fails to do so on xcode or via terminal. I\'m trying to run it on xcode, but it fails on main with:

\

Answer 1

glewInit() call (and the includes, of course) is not necessary on MacOS, so you might just exclude it this way:

#ifndef __APPLE__
glewInit();
#endif

The same with includes.

Now with the unresolved symbols. You have to include MacOSX's native GL headers:

#ifdef __APPLE__
#  include <OpenGL/gl.h>
#  include <OpenGL/glext.h>
#else /// your stuff for linux
#  include "GL/GL.h"
.... whatever
#endif

OpenGL is a core technology for OSX, not an "extension", as in Linux/X Window. So just include the OpenGL and GLUT framework to your XCode project and hopefully it should build and work.