See doc/README.html for more information.
If you downloaded the tarball from the GLEW website, you just need to:
Unix:
make
Windows:
use the project file in build/vc6/
If you wish to build GLEW from scratch (update the extension data from
the net or add your own extension information), you need a Unix
environment (wget and a reasonable set of binutils -- e.g. sed v4). The
extension data is regenerated from the top level source directory with:
make extensions