[Haskell-beginners] install trouble: diagrams

[Daniel P. Wright]

I've run into problems like this before; there seems to be some issues with certain versions of llvm. I got around it by compiling arithmoi without llvm support:

$ cabal install Diagrams --constrain "arithmoi -llvm"



30 Jan 2015 22:49、Gregory Guthrie <guthrie at mum.edu> のメッセージ:

> Trying to install Diagrams, but am stuck in a typical Cabal maze of install errors; any hints or help?
> 
>> cabal install Diagrams
> Resolving dependencies...
> Configuring arithmoi-0.4.1.1...
> Building arithmoi-0.4.1.1...
> Preprocessing library arithmoi-0.4.1.1...
> ...
> <no location info>:
>    Warning: Couldn't figure out LLVM version!
>             Make sure you have installed LLVM
> [ 1 of 34] Compiling Math.NumberTheory.Primes.Sieve.Indexing ( Math\NumberTheory
> \Primes\Sieve\Indexing.hs, dist\dist-sandbox-b31b5bcf\build\Math\NumberTheory\Primes\Sieve\Indexing.o )
> 
> <no location info>:
>    Warning: Couldn't figure out LLVM version!
>             Make sure you have installed LLVM
> Failed to install arithmoi-0.4.1.1
> cabal: Error: some packages failed to install:
> arithmoi-0.4.1.1 failed during the building phase. The exception was:
> ExitFailure 1
> diagrams-1.2 depends on arithmoi-0.4.1.1 which failed to install.
> diagrams-contrib-1.1.2.5 depends on arithmoi-0.4.1.1 which failed to install.
> 
> 
>> cabal install llvm
> ...
> Failed to install type-level-0.2.4
> cabal: Error: some packages failed to install:
> llvm-3.2.0.2 depends on type-level-0.2.4 which failed to install.
> llvm-base-3.2.0.2 failed during the configure step. The exception was:
> ExitFailure 1
> type-level-0.2.4 failed during the building phase. The exception was:
> ExitFailure 1
> 
> 
>> Cabal install type-level
> ...
> src\Data\TypeLevel\Num\Ops.hs:336:10:
>    Illegal instance declaration for `Div10 x q'
>      The liberal coverage condition fails in class `Div10'
>        for functional dependency: `q -> x'
>      Reason: lhs type `q' does not determine rhs type `x'
>    In the instance declaration for `Div10 x q'
> Failed to install type-level-0.2.4
> cabal: Error: some packages failed to install:
> type-level-0.2.4 failed during the building phase. The exception was:
> ExitFailure 1
> 
> 
> ??
> 
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