The OpenGL Extension Wrangler Library (GLEW) is a cross-platform C/C++ extension loading library. GLEW provides efficient run-time mechanisms for determining which OpenGL extensions are supported on the target platform. OpenGL core and extension functionality is exposed in a single header file.
http://glew.sourceforge.net
This installer guides you through the steps necessary to install glew 1.3.4 for Mac OS X. To get started, click Continue.