[Haskell-cafe] ghc package problem

[Ivan Lazar Miljenovic]

What does "ghc-pkg check" say?  You probably have inconsistent deps; as
such rebuild all packages that are broken.

A package wrapped in braces in the "ghc-pkg list" output means the same thing.

"Phyx" <lonetiger at gmail.com> writes:

> (sorry for the duplication, forgot to reply to the mailing list too)
>
> Well, I did, I've completely unregistered the package,  
>
> Did a check and recache, both completed with no problem.
>
> In detail what's happening is, I'm building a tool that requires Haskell-src-exts, So I upgraded to the 1.9.0 release yesterday and all went fine.
>
> However when I try to build my tool using my cabal file, it proceeds to download all dependencies and reinstalling them,, (including Haskell-src-exts) even though They are all already installed (gathered that from the output of ghc-pkg list).
>
> It does this everytime, so everytime It tries to build all dependencies and then the tool.
> But if I try to load the file in GHCI, it also says it can't find the packages.
>
> -----Original Message-----
> From: daniel.is.fischer at web.de [mailto:daniel.is.fischer at web.de] 
> Sent: Friday, April 16, 2010 13:36
> To: haskell-cafe at haskell.org
> Cc: Phyx
> Subject: Re: [Haskell-cafe] ghc package problem
>
> Am Freitag 16 April 2010 11:28:54 schrieb Phyx:
>> Hi all,
>>
>>
>>
>> I'm having a rather weird problem,
>>
>>
>>
>> Ghc-pkg list shows a package installed but doing a ghc -make will give 
>> an error saying that It can't find a module that's supposed to be in 
>> the installed package.
>>
>>
>>
>> And cabal install always reinstall all the dependencies on every change.
>> It doesn't seem to see that they're already installed.
>
> Can we have more details, please?
>
> As a first idea, you might try
>
> ghc-pkg unregister offending-package
> cabal install offending-package
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe

-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
IvanMiljenovic.wordpress.com