In-tree invocation of GHC built with Hadrian

Alp Mestanogullari alp at well-typed.com
Thu Apr 4 15:45:03 UTC 2019


Issue tracked at https://gitlab.haskell.org/ghc/ghc/issues/16534

Somehow the stage 2 GHCs (_build/stage1/bin/ghc) that we build _don't_ 
have this problem. I will post an update here when I have a 
comprehensive explanation and a fix.

On 04/04/2019 17:40, Simon Peyton Jones wrote:
>
> OK, that’s great – it’s not just me.   I’ll await further guidance, 
> and revert to “sh validate” meanwhile.
>
> Thanks
>
> Simon
>
> *From:*ghc-devs <ghc-devs-bounces at haskell.org> *On Behalf Of *Alp 
> Mestanogullari
> *Sent:* 04 April 2019 16:25
> *To:* ghc-devs at haskell.org
> *Subject:* Re: In-tree invocation of GHC built with Hadrian
>
> I can reproduce this problem. This doesn't come up when building 
> stage2 with that executable (stage1) because the commands that Hadrian 
> emits all do something along the lines of `-no-user-package-db 
> -package-db _build/stage0/lib/package.conf.d`, which masks the 
> problem. I'm looking into this, I will open a ticket soon with the 
> information that I can gather.
>
> On 04/04/2019 13:21, Simon Peyton Jones via ghc-devs wrote:
>
>     How can I run the inplace binary built by Hadrian.  I tried this
>
>     ~/code/HEAD/_build/stage0/bin/ghc -c Foo.hs
>
>     but I got this
>
>     ~/code/HEAD/_build/stage0/bin/ghc -c Foo.hs
>
>     Foo.hs:1:8: error:
>
>         Bad interface file:
>     /opt/ghc/8.6.4/lib/ghc-8.6.4/base-4.12.0.0/Prelude.hi
>
>             mismatched interface file versions (wanted "80920190403",
>     got "8064")
>
>       |
>
>     1 | module Foo where
>
>       |        ^^^
>
>     simonpj at MSRC-3645512:~/tmp$
>
>     Somehow the inplace binary built by Hadrian is looking for library
>     files in completely the wrong place.
>
>     What should I do?
>
>     Simon
>
>
>
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> -- 
> Alp Mestanogullari, Haskell Consultant
> Well-Typed LLP,https://www.well-typed.com/  <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.well-typed.com%2F&data=02%7C01%7Csimonpj%40microsoft.com%7Ca6847ac7f36c4ce3262f08d6b911c07c%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636899883237066684&sdata=OTz4GGrHGdlLedtBvHrW5%2BmqeLcaRaIIsivi1P%2B7Xus%3D&reserved=0>
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-- 
Alp Mestanogullari, Haskell Consultant
Well-Typed LLP, https://www.well-typed.com/

Registered in England and Wales, OC335890
118 Wymering Mansions, Wymering Road, London, W9 2NF, England

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