> IIUC the remaining issue is that for in-source builds all the
> custom command dependencies on source files now get phony
> rules.  We need a policy to drop this behavior altogether and
> ask that projects explicitly specify their BYPRODUCTS.
> Correct?

Yes that is correct.

And this is the case of ReactOS, they are perfectly sure they do not have any 
side-effect, they do not need these extra rules, yet there is no mechanism to 
avoid them. As a result Ninja crashes because it has simply too big build graph.

-- Adam
-- 

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