Hadrian

[Sylvain Henry]

Hi Simon,

You have to re-run `./configure` in cases like this. It's because 
`compiler/ghc.cabal` is generated from `compiler/ghc.cabal.in` by 
`./configure`. This isn't tracked by Hadrian.

 >Surely that should not happen?I'll try make clean; but isn't this a bug?

Hopefully when `make` build system will be removed it should be easy to 
make Hadrian (instead of `./configure`) generate and track this file. In 
fact I already did this in a MR more than a year ago but it was blocked 
on make-removal.

Sylvain


On 11/07/2022 17:09, Simon Peyton Jones wrote:
> (apols for premature send)
>
> I am working on a branch of GHC, actually on !8210.  I have rebased on 
> master.  Then I say
> hadrian/build
> and I get the log below.  It falls over saying
> No generator for _build/stage0/compiler/build/GHC/Unit/Module/Name.hs.
>
> Surely that should not happen?
>
> I'll try make clean; but isn't this a bug?
>
> Simon
>
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