compile server design document

[Per Bothner]

Jan Hubicka wrote:
> So the main difference from current PCH scheme is that you don't reload
> the PCH data from the disc each time, instead you keep them in memory
> accross compilations?

Basically, yes.  And because of that, you don't have to
explicitly create or manage PCH files, and it is more
versatile in terms of include order.
-- 
	--Per Bothner
per@bothner.com   http://www.bothner.com/per/