Please support the official MESA repository at https://gitlab.freedesktop.org/mesa/mesa
This work is based on https://fdossena.com/?p=mesa/index.frag which attempts to compile MESA using Scons for Windows.
Compilation guide from https://fdossena.com/?p=mesa/build.frag
Source code https://archive.mesa3d.org/
License https://docs.mesa3d.org/license.html
Latest mesa to officialy support Scons is 21.0.3.
Compiled using Windows 10 and verified to work.