[Haskell-cafe] errors while installing yesod 0.8

[Michael Litchard]

I think something that yesod uses, uses JSONb. Also, I think I have
borked my haskell  environment to the point where it may be best to
zap it and start over.

On Mon, Apr 25, 2011 at 3:05 PM, Rogan Creswick <creswick at gmail.com> wrote:
> On Mon, Apr 25, 2011 at 2:44 PM, Michael Litchard <michael at schmong.org> wrote:
>> So it appears this is a bug with JSONb-1.0.2. There's a new version
>> out. IS the answer to use that, or to patch this version?
>
> If there is a new version, and you indeed need JSONb for something,
> then you should use the newer version (yesod doesn't depend on it, so
> I'm a bit unsure why it came up...).
>
> --Rogan
>
>
>>
>> On Mon, Apr 25, 2011 at 1:48 PM, Michael Litchard <michael at schmong.org> wrote:
>>> Following the install trail I run into this problem
>>>
>>> mlitchard at apotheosis:~$ cab install JSONb-1.0.2
>>> Resolving dependencies...
>>> Configuring JSONb-1.0.2...
>>> Preprocessing library JSONb-1.0.2...
>>> Preprocessing executables for JSONb-1.0.2...
>>> Building JSONb-1.0.2...
>>> [1 of 7] Compiling Text.JSON.Escape ( Text/JSON/Escape.hs,
>>> dist/build/Text/JSON/Escape.o )
>>> [2 of 7] Compiling Text.JSONb.Simple ( Text/JSONb/Simple.hs,
>>> dist/build/Text/JSONb/Simple.o )
>>> [3 of 7] Compiling Text.JSONb.Decode ( Text/JSONb/Decode.hs,
>>> dist/build/Text/JSONb/Decode.o )
>>>
>>> Text/JSONb/Decode.hs:56:33:
>>>    Ambiguous occurrence `number'
>>>    It could refer to either `Text.JSONb.Decode.number', defined at
>>> Text/JSONb/Decode.hs:118:0
>>>                          or `Attoparsec.number', imported from
>>> Data.Attoparsec.Char8 at Text/JSONb/Decode.hs:25:0-52
>>> cabal: Error: some packages failed to install:
>>> JSONb-1.0.2 failed during the building phase. The exception was:
>>> ExitFailure 1
>>>
>>>
>>> How do I clear up this ambiguity?
>>>
>>> On Mon, Apr 25, 2011 at 1:24 PM, Michael Litchard <michael at schmong.org> wrote:
>>>> I started mindlessly pasting in the output, and the following lept out at me:
>>>>
>>>> ,
>>>>
>>>>
>>>>
>>>> package authenticate-0.8.2.2-cc3ed2c523ecbf1ad123c3468785149e is
>>>> unusable due to missing or recursive dependencies:
>>>>  http-enumerator-0.3.1-719bcd77e1dcb62efc9cf9b4f0b72271
>>>> package http-enumerator-0.3.1-719bcd77e1dcb62efc9cf9b4f0b72271 is
>>>> unusable due to missing or recursive dependencies:
>>>>  attoparsec-enumerator-0.2.0.3-4978ab2dc4d87b7b724534bbfdcb07f1
>>>> package json-enumerator-0.0.1-7d4b724ae8c9b5ffa92da26856c4e1f1 is
>>>> unusable due to missing or recursive dependencies:
>>>>  blaze-builder-enumerator-0.2.0.1-23e6e1f270358d3329f627e3a5ce8838
>>>> package wai-extra-0.3.2-f8378ad4a5cc6f375d96b718876384fa is unusable
>>>> due to missing or recursive dependencies:
>>>>
>>>> There's more of the same I'm leaving out.
>>>>
>>>> I'm going to see if I can go somewhere with these error messages. If I
>>>> totally hose things, I'll let you guys know.
>>>>
>>>>
>>>> On Tue, Apr 19, 2011 at 4:45 PM, Daniel Fischer
>>>> <daniel.is.fischer at googlemail.com> wrote:
>>>>> On Wednesday 20 April 2011 01:22:20, Michael Litchard wrote:
>>>>>> So what else can I try?
>>>>>
>>>>> $ cabal install -v3 monad-control
>>>>>
>>>>> That should give some hints at which point exactly things fail.
>>>>>
>>>>
>>>
>>
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