[Haskell-cafe] errors while installing yesod 0.8

[Rogan Creswick]

On Mon, Apr 25, 2011 at 3:10 PM, Michael Litchard <michael at schmong.org> wrote:
> I think something that yesod uses, uses JSONb.

Odd.  I just checked the transitive dependencies of yesod-0.8.0 (with
cab) and it doesn't seem to have that dependency.  It could be
system-specific, though.

It would be nice to figure out what is depending on that version of
JSONb so we could better determine if upgrading will break anything.

--Rogan


> 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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>>
>