Hadrian problem

[Douglas Wilson]

DHi Simon,

It seems that GHC is "helpfully" adding flags to your invocation see
https://ghc.gitlab.haskell.org/ghc/doc/users_guide/packages.html#package-environments

You can see exactly what is being added by inspecting the environment file
/home/simonpj/.ghc/x86_64-linux-9.5.20220628/environments/default.

You can safely delete .ghc/x86_64-linux-9.5.20220628/environments/default.
Although without knowing how it got there, it may re-appear.

You can set `export GHC_ENVIRONMENT=-` or pass `-package-env -` on your
command line to disable the reading of environment files.

Regards,
Douglas Wilson


On Tue, Jul 12, 2022 at 1:24 PM Simon Peyton Jones <
simon.peytonjones at gmail.com> wrote:

> I'm in a GHC tree, built with Hadrian, I'm getting this red problem.  But
> compilation has got way past compiling base.
>
> why is it looking in my .ghc/... directory?   It should be looking in my
> build tree.
>
> Simon
>
> bash$ ~/code/HEAD-1/_build/ghc-stage1 -c Foo.hs
> Loaded package environment from
> /home/simonpj/.ghc/x86_64-linux-9.5.20220628/environments/default
> <command line>: cannot satisfy -package-id base-4.17.0.0
>     (use -v for more information)
>
> bash$ cat ~/code/HEAD-1/_build/ghc-stage1
> "/home/simonpj/code/HEAD-1/_build/stage0/bin/ghc" "-no-global-package-db"
> "-package-db /home/simonpj/code/HEAD-1/_build/stage1/lib/package.conf.d"
> "$@"
>
>
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