[Haskell-iPhone] Using ghc-ios with cabal sandbox

[Axis Sivitz]

Oh, I think you’re right, it wasn’t actually installing correctly. I will
file a bug with cabal.

Thanks

On Wed, Oct 15, 2014 at 6:58 PM, Luke Iannini <lukexipd at gmail.com> wrote:

> Hi Axis,
>
> I'm looking at my notes from my (brief) attempt to try sandboxes with
> ghc-ios, and it looks like one major issue is that the --builddir flag
> isn't paid attention to when installing into a sandbox, thus the object
> files from different architectures get mixed up. That will likely need a
> patch to cabal (I don't think many of the cabal devs are using multiple
> architectures/cross compilation) — filing a bug would be great.
>
> Best
> Luke
>
>
> On Wed, Oct 15, 2014 at 1:57 PM, Axis Sivitz <axis at asivitz.com> wrote:
>
>> Is anyone using ghc-ios with cabal sandbox? I am having trouble with it.
>>
>> I can 'cabal-ios install’ fine. That installs the packages properly in
>> the sandbox for arm and x86.
>>
>> But the ghc-ios script doesn’t use the sandbox environment. And running a
>> simple 'cabal exec ghc-ios …’ clobbers the package-db path:
>>
>> I get...
>> "Using binary package database:
>> /…/sandbox/x86_64-osx-ghc-7.8.3-packages.conf.d/package.cache”
>> and then a bunch of errors like:
>> Bad interface file: /usr/local/lib/ghc-7.8.3/base-4.7.0.1/Prelude.hi
>>         magic number mismatch: old/corrupt interface file? (wanted
>> 129742, got 33214052)
>>
>> I guess the best solution is for cabal’s exec command to respect the
>> arguments that cabal-ios provides. But maybe in the meantime perhaps I can
>> tweak the ghc-ios script to add an argument to look for the presence of
>> sandboxing, unless anyone else has a better idea.
>>
>> Thanks,
>> Axis
>>
>> _______________________________________________
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>> iPhone at haskell.org
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>>
>>
>


-- 
Axis Sivitz
http://asivitz.com <http://buttonbrigade.com/>
(513) 535-1668
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