[ANNOUNCE] Shaking up GHC

[Ben Gamari]

Simon Peyton Jones <simonpj at microsoft.com> writes:

> Very good.
>
> As I understand it, it can work side-by-side with the existing build
> system, correct? That means we don't need to make an either/or choice,
> which is very helpful.
>
> Every day I do sh validate --fast --no-clean How can I do that using
> 	Shake to build? Maybe sh validate --shake --fast --no-clean or
> 	something? Just modifying the validate script to make it convenient
> 	to use shake for the build part would be great.
>
> You say: The make-based build system uses mk/build.mk to specify user
> build settings. We use src/Settings/User.hs for the same purpose. Feel
> free to experiment following the Haddock comments.
>
> But User.hs is a source file, which we shouldn't normally modify lest
> we accidentally commit it. Could we have a non-source file to modify
> (rather like build.mk being based on build.mk.sample)
>
One way around this would be to add User.hs to .gitignore. That way git
will ignore changes to this files when you `git commit -a`. You can
still, however, commit changes to it if you ask git explicitly.

Cheers,

- Ben

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