Hadrian questions

[Matthew Pickering]

`make 2` should be somewhat equivalent to `./hadrian/build.sh
_build/stage1/bin/ghc` I think.

The problem is with the devel2 flavour itself. Tracked by
https://ghc.haskell.org/trac/ghc/ticket/16210

The `hadrian/build.sh` script uses `cabal new-build` so the
dependencies should be shared already when possible.

Cheers,

Matt

On Fri, Jan 25, 2019 at 4:07 AM Richard Eisenberg <rae at cs.brynmawr.edu> wrote:
>
> In the "devel2" flavor, I also seem to have built Haddock. `make` didn't do this with devel2, and I'd prefer Hadrian didn't, too.
>
> Maybe I'm not really on the devel2 flavor?
>
> > On Jan 24, 2019, at 11:02 PM, Richard Eisenberg <rae at cs.brynmawr.edu> wrote:
> >
> > As suggested, I'm trying out Hadrian. I have a few questions.
> >
> > - After building GHC the first time, I often go into the /ghc directory and then do `make 2` to build just the stage-2 compiler. Is that now the same as `build --freeze1`? It would seem not (I haven't tested), because running `make 2` builds only the compiler, not the libraries. Can this workflow be replicated in Hadrian?
> >
> > - I have `userDefaultFlavour = "devel2"` in my hadrian/UserSettings.hs file. But I see build artifacts during compilation of stage-2 that have dyn_o and p_o extensions. I don't want these. Have I done something wrong? Or are these artifacts now necessary?
> >
> > - I have quite a few ghc directories. What are the dependencies of Hadrian so that I can install these into my global package database and avoiding rebuilding them for each ghc tree? (Please don't tell me that the global package database is bad for my health. I know that, and I know why, but it's still terribly convenient, and I'm happy to pay the occasional price for that convenience.)
> >
> > I'm sure I'll have more questions.
> >
> > Thanks!
> > Richard
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