Greg Schafer wrote:

[snip]

> this is an assumption). The whole 2 phase build method approach is
> designed to try and provide as sane an environment as possible. The goal
> is to produce an end result identical to that which would have been
> produced as if you had produced it in a sane environment. This is what ICA
> can verify!
> 
> Here are the basic steps to ICA:
> 
>  - build Chapter 5 (as normal)
>  - build Chapter 6 (as normal)
>  - take a snapshot
>  - remove /tools from the PATH
>  - use Chapter 6 to rebuild itself (overwriting everything as it goes)
>  - take another snapshot
>  - AGAIN use Chapter 6 to rebuild itself (for good measure)
>  - take yet a third snapshot
>  - now binary diff the snapshots (1 versus 2, 2 versus 3)
>  - explain any differences
>  - any unexplainable differences are BUGS in the build method.

Thank you. This makes more sense. There's a couple of things in there
that were escaping me before.

--
JH
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