build2 - build2 build system

Age	Commit message (Collapse)	Author	Files	Lines
2019-08-23	Introduce notion of build context	Boris Kolpackov	1	-34/+29
	All non-const global state is now in class context and we can now have multiple independent builds going on at the same time.
2019-07-01	Split build system into library and driver	Boris Kolpackov	1	-0/+400