I'm using cabal install,
$ ghc --make -O2 WinDll
WinDll\Lib\NativeMapping.hs:51:18:
Could not find module `Language.Haskell.Exts':
Use -v to see a list of the files searched for.
Is the error message I get when I try to just compile it normally
While
$ ghc-pkg find-module "Language.Haskell.Exts"
C:/msys/1.0/local\lib\package.conf.d:
C:\Users\Phyx\AppData\Roaming\ghc\i386-mingw32-6.13.20100320\package.conf.d:
haskell-src-exts-1.9.0
So it should be able to find it.
I'm using a snapshot of GHC 6.13
$ ghc -v
Glasgow Haskell Compiler, Version 6.13.20100320, for Haskell 98, stage 2 booted
by GHC version 6.12.1
And
$ cabal -V
cabal-install version 0.9.0
using version 1.9.0 of the Cabal library
I know 6.13 isn't out yet, But don't think they touched the packaging part much.
-----Original Message-----
From: daniel.is.fisc...@web.de [mailto:daniel.is.fisc...@web.de]
Sent: Friday, April 16, 2010 14:42
To: Phyx
Cc: haskell-cafe@haskell.org
Subject: Re: [Haskell-cafe] ghc package problem
Am Freitag 16 April 2010 14:06:16 schrieb Phyx:
> (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).
Which command do you use, runhaskell ./Setup.hs *, cabal install, cabal install
--reinstall?
Only for the last it wouldn't be utterly bewildering, though reinstalling all
dependencies might be a bit extreme.
Which versions of GHC and cabal-install are you using?
>
> 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.
What is the exact error message?
>
> -----Original Message-----
> From: daniel.is.fisc...@web.de [mailto:daniel.is.fisc...@web.de]
> Sent: Friday, April 16, 2010 13:36
> To: haskell-cafe@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
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