Need help: Cabal rejecting stringsearch, conflict in base

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Trouble cabal installing uniplate?

Thiago Negri

26 Nov 2013 26 Nov '13

7:34 p.m.

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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

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Clark Gaebel

26 Nov 26 Nov

7:41 p.m.

New subject: Need help: Cabal rejecting stringsearch, conflict in base

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 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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

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Schell Scivally

8:46 p.m.

New subject: Need help: Cabal rejecting stringsearch, conflict in base

It looks like you're using ghc7.7 (soon 7.8) since you're on base-4.7. A lot of packages just aren't ready for ghc7.7. Either they need bumps to their dependencies or they need Typeable updates or...or... If you want to live in the future I'd suggest following the packages in question to their git repos, cloning them and using those (and possibly patching them). I've been doing as much of this as I can and it's been working! Though I may be misunderstanding your problem and in that case - ignore me! :) On Tue, Nov 26, 2013 at 4:41 PM, Clark Gaebel wrote:

...

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 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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

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Thiago Negri

29 Nov 29 Nov

6:36 p.m.

New subject: Need help: Cabal rejecting stringsearch, conflict in base

I did the easy way and it worked! The bad thing is that after restarting my laptop, xmonad and xmobar were gone. 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 System.Posix.Signals). :-( 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

...

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 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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

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Carter Schonwald

7:35 p.m.

New subject: Need help: Cabal rejecting stringsearch, conflict in base

Just remove the .ghc. No need to touch .cabal. On Friday, November 29, 2013, Thiago Negri wrote:

...

I did the easy way and it worked! The bad thing is that after restarting my laptop, xmonad and xmobar were gone. 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 System.Posix.Signals). :-(

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 >

...
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

...
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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

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Albert Y. C. Lai

4 Dec 4 Dec

2:35 p.m.

New subject: Need help: Cabal rejecting stringsearch, conflict in base

On 13-11-29 06:36 PM, Thiago Negri wrote:

...

Is `rm -rf ~/.ghc ~/.cabal` supposed to reset cabal installation? How do I start a fresh cabal environment?

Perhaps it is time to read my http://www.vex.net/~trebla/haskell/sicp.xhtml

...

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 System.Posix.Signals).

The "unix" package comes with GHC. It is not supposed to be missing, and not supposed to be rebuilt a la carte. You may have damaged your GHC installation, or you may have completely misattributed the problem.

Daniel Fischer

26 Nov 26 Nov

8:55 p.m.

On Tuesday 26 November 2013, 22:34:49, Thiago Negri 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-4.7.0.0/installed-dc1... (dependency of scotty-0.5.0) trying: wai-extra-1.3.4.6 (dependency of scotty-0.5.0) trying: stringsearch-0.3.6.4 (dependency of wai-extra-1.3.4.6) rejecting: stringsearch-0.3.6.4:-base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=2 && <3) rejecting: stringsearch-0.3.6.4:+base3 (conflict: base==4.7.0.0/installed-dc1..., stringsearch-0.3.6.4:base3 => base>=3 && <4) Backjump limit reached (change with --max-backjumps).

I've just uploaded 0.3.6.5 that allows array-0.5, which probably was the problem. Hopefully it will work now.

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participants (6)

Albert Y. C. Lai
Carter Schonwald
Clark Gaebel
Daniel Fischer
Schell Scivally
Thiago Negri