never was part of Windows, but from my limited interactions with it the old build system was a chimera of Perl scripts, passes, Makefile-like things and other t

never was part of Windows, but from my limited interactions with it the old build system was a chimera of Perl scripts, passes, Makefile-like things and other tooling. build labs would run and jobs would take hours. it underwent a Herculean effort to modernize it, converging on the actual VS build system and from sd to git. it seemed much healthier last I looked.