Answering my own mail here... I seem to have found what I need at
Maybe the link can be added to the website / documentation sometime.
> I'm looking to compile Mesa on a windoze system for a voodoo3 card,
> but I can't find the proper Glide SDK (v2.4) which I need for the
> glide header files. Does anyone have a link to some place that still
> has that SDK available? 3dfx.com only has drivers since the nvidia
> takeover, and so far I've only been able to find the (as far
> as I know unsupported by Mesa) v2.1.1 and v3.0 of the SDK on
> other sites.