What version of Stack are you using? What message do you get if you remove
the entire extra-deps section?
On Sun, Aug 12, 2018, 6:07 AM Jack Vice <jack.v...@atinc.com> wrote:
> I am trying to import .csv data and so I am trying to build a simple
> example using cassava and I have run out of ideas to get it to work. I
> added cassava-0.5.1.0 to stack.yaml and then the builder failed based on
> version and suggested bytestring-0.10.2.0, which I added then version
> failed and suggested deepseq-1.3.0.2 and then version failed and
> suggested base-4.7.0.2 and fails and keeps suggesting adding base-4.7.0.2
> though it is in there. I tried "allow-newer: true" and gave a bunch of
> type failures. I also tried stack solver --update-config which just
> removed all the extra-deps: including cassava. It appears not to
> find base-4.7.0.2. This is my first attempt to build something useful with
> stack.
>
> *"stack build" output below:*
>
> Error: While constructing the build plan, the following exceptions were
> encountered:
>
> In the dependencies for deepseq-1.3.0.2:
> base-4.11.1.0 from stack configuration does not match >=4.3 && <4.8
> (latest matching version is 4.7.0.2)
> needed due to bayesHask-0.1.0.0 -> deepseq-1.3.0.2
>
> Some different approaches to resolving this:
>
> * Set 'allow-newer: true' to ignore all version constraints and build
> anyway.
>
> * Consider trying 'stack solver', which uses the cabal-install solver to
> attempt to find some working build configuration. This can be convenient
> when dealing with many complicated constraint
> errors, but results may be unpredictable.
>
> * Recommended action: try adding the following to your extra-deps in
> /home/jack/Dropbox/src/bayesHask/stack.yaml:
>
> - base-4.7.0.2
>
> Plan construction failed.
>
>
> *stack.yaml file:*
> *flags: {}*
> *packages:*
> *- .*
> *extra-deps:*
> *- cassava-0.5.1.0*
> *- bytestring-0.10.2.0*
> *- deepseq-1.3.0.2*
> *- base-4.7.0.2*
>
> *resolver: lts-12.5*
>
> *#allow-newer: true*
>
>
> *Lib.hs file:*
> *module Lib*
> * ( someFunc*
> * ) where*
>
> *import qualified Data.Text.IO <http://Data.Text.IO> as T*
> *import qualified Data.ByteString.Lazy as BL*
> *import Data.Csv*
> *import qualified Data.Vector as V*
>
> *someFunc :: IO ()*
> someFunc = putStrLn "someFunc"
>
>
> *package.yaml file:*
> *name: bayesHask*
> *version: 0.1.0.0*
> *github: "githubuser/bayesHask"*
> *license: BSD3*
> *author: "Jack Vice"*
> *maintainer: "exam...@example.com <exam...@example.com>"*
> *copyright: "2018 Jack Vice"*
>
> *extra-source-files:*
> *- README.md*
> *- ChangeLog.md*
>
> *# Metadata used when publishing your package*
> *# synopsis: Short description of your package*
> *# category: Web*
>
> *# To avoid duplicated efforts in documentation and dealing with the*
> *# complications of embedding Haddock markup inside cabal files, it is*
> *# common to point users to the README.md file.*
> *description: Please see the README on GitHub at
> <https://github.com/githubuser/bayesHask#readme
> <https://github.com/githubuser/bayesHask#readme>>*
>
> *dependencies:*
> *- base >= 4.7 && < 5*
> *- text*
> *- bytestring*
> *- cassava*
>
> *library:*
> * source-dirs: src*
>
>
> *executables:*
> * bayesHask-exe:*
> * main: Main.hs*
> * source-dirs: app*
> * ghc-options:*
> * - -threaded*
> * - -rtsopts*
> * - -with-rtsopts=-N*
> * dependencies:*
> * - bayesHask*
>
> *tests:*
> * bayesHask-test:*
> * main: Spec.hs*
> * source-dirs: test*
> * ghc-options:*
> * - -threaded*
> * - -rtsopts*
> * - -with-rtsopts=-N*
> * dependencies:*
> * - bayesHask*
>
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