[Haskell-beginners] Stack could not find libHStransformers

[Quentin Liu]

I am using ghc download and managed by stack. My stack is of the latest version, which is 1.6.1.

Regards,
Qingbo Liu

On Dec 7, 2017, 01:56 -0500, Michael Snoyman <michael at snoyman.com>, wrote:
> What version of Stack are you using (stack --version), and how did you install Stack and GHC?
>
> It looks like you're using a system-wide GHC installation, which (for reasons like this) we by default no longer use by default in recent Stack releases.
>
> Upgrading to the latest Stack (via `stack upgrade` or following the instructions at [1]) will probably solve the problem.
>
> [1] https://haskell-lang.org/get-started/osx
>
> > On Thu, Dec 7, 2017 at 8:43 AM, Quentin Liu <quentin.liu.0415 at gmail.com> wrote:
> > > Hi,
> > >
> > > I was trying to use Parsec and imported Text.ParserCombinators.Parsec. I could call “stack ghc” to compile the file, but when I loaded the file into ghci and called any function, ghci would report errors
> > > > can't load .so/.DLL for: /Users/HereWegoR/.stack/snapshots/x86_64-osx/lts-8.8/8.0.2/lib/x86_64-osx-ghc-8.0.2/libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.dylib (dlopen(/Users/HereWegoR/.stack/snapshots/x86_64-osx/lts-8.8/8.0.2/lib/x86_64-osx-ghc-8.0.2/libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.dylib, 5): Library not loaded: /usr/local/opt/ghc/lib/ghc-8.0.2/transformers-0.5.2.0/libHStransformers-0.5.2.0-ghc8.0.2.dylib
> > > >   Referenced from: /Users/HereWegoR/.stack/snapshots/x86_64-osx/lts-8.8/8.0.2/lib/x86_64-osx-ghc-8.0.2/libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.dylib
> > > >   Reason: image not found)
> > > >
> > >
> > > I tried to install transformers by calling `stack install transformers` but the problem still persisted. Is it because the version of transformers in my repo is different from the one referenced by `mtl` package? How should I fix it?
> > >
> > > Regards,
> > > Qingbo Liu
> > >
> > > _______________________________________________
> > > Beginners mailing list
> > > Beginners at haskell.org
> > > http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners
> > >
>
> _______________________________________________
> Beginners mailing list
> Beginners at haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/beginners/attachments/20171207/e35a465b/attachment-0001.html>