[Haskell-cafe] Need help: Cabal rejecting stringsearch, conflict in base
evohunz at gmail.com
Fri Nov 29 23:36:42 UTC 2013
I did the easy way and it worked!
The bad thing is that after restarting my laptop, xmonad and xmobar were
I recompiled xmonad and it's ok, but xmobar is failing to build because
"unix" package is failing because "Signals.h" is missing (used by
I guess my cabal environment is messed up.
Is `rm -rf ~/.ghc ~/.cabal` supposed to reset cabal installation?
How do I start a fresh cabal environment?
2013/11/26 Clark Gaebel <cgaebel at uwaterloo.ca>
> You've got two options:
> 1) (the easy way)
> rm -rf ~/.ghc ~/.cabal
> cabal update
> cabal install scotty
> 2) (the hard way, ghc 7.6+ only)
> Use a sandbox!
> cd path/to/my/project/that/uses/scotty
> cabal sandbox init
> cabal install --only-dependencies -j # make sure scotty is a dependency of
> your project
> cabal configure
> cabal build
> 3) use cabal-dev. similar to using sandboxes, but I don't have it any more
> so can't give you a step-by-step.
> On Tue, Nov 26, 2013 at 7:34 PM, Thiago Negri <evohunz at gmail.com> wrote:
>> I don't know what to do. :-(
>> I can't install scotty or yesod.
>> $ cabal install scotty
>> cabal: Could not resolve dependencies:
>> trying: scotty-0.5.0 (user goal)
>> trying: base-126.96.36.199/installed-dc1... (dependency of scotty-0.5.0)
>> trying: wai-extra-188.8.131.52 (dependency of scotty-0.5.0)
>> trying: stringsearch-0.3.6.4 (dependency of wai-extra-184.108.40.206)
>> rejecting: stringsearch-0.3.6.4:-base3 (conflict:
>> base==220.127.116.11/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 &&
>> rejecting: stringsearch-0.3.6.4:+base3 (conflict:
>> base==18.104.22.168/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 &&
>> Backjump limit reached (change with --max-backjumps).
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
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