should be as good as doing a pristine checkout
* I've got the xatrix and rogue modpacks building, but their
license is dubious. game.h has been updated with the 2
extra lines that the xatrix and rogue game.h's had, and
the Makefile.ams will build the code if you unpack them
into the dirs (with a little modification because of -Wall
-Werror ;-)