Download GLEW 1.5.8(OpenGL Extension Wrangler Library)

OpenGL Extension Wrangler Library (GLEW) is a cross-platform open-source 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. GLEW has been tested on a variety of operating systems, including Windows, Linux, Mac OS X, FreeBSD, Irix, and Solaris.

GLEW supports OpenGL 3.3, OpenGL 4.1, 397 OpenGL extensions, 45 WGL extensions, 53 GLX extensions.