CODEWITHSUNDEEP
haskellubuntughcghci
magamig
magamig

Reputation: 504

ghci configuration - haskell - Error while changing ~/.ghci file

I was trying to pu my GHCi pretty using this: http://www.reddit.com/r/haskell/comments/144biy/pretty_output_in_ghci_howto_in_comments/

But while runnig GHCi this error appear and I cannot apply the colour changes.

user@pcname:~$ ghci
GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.

<no location info>:
    Could not find module `IPPrint'
    It is not a module in the current program, or in any known package.

<no location info>:
    Could not find module `Language.Haskell.HsColour'
    It is not a module in the current program, or in any known package.

<no location info>:
    Could not find module `Language.Haskell.HsColour.Colourise'
    It is not a module in the current program, or in any known package.

<no location info>:
    Could not find module `Language.Haskell.HsColour.Output'
    It is not a module in the current program, or in any known package.

<interactive>:7:21:
    Failed to load interface for `HsColour'
    Use -v to see a list of the files searched for.

<interactive>:9:26:
    Failed to load interface for `HsColour'
    Use -v to see a list of the files searched for.

Top level: Not in scope: `myPrint'

Top level: Not in scope: `myPrint'

<interactive>:19:26:
    Failed to load interface for `HsColour'
    Use -v to see a list of the files searched for.

What do you suggest?

I'm currently using Ubuntu 14.04 and GHCi 7.6.3

Upvotes: 4

Views: 699

Answers (1)

user1544337
user1544337

Reputation:

Summarising the comments: you need to install the Haskell modules hscolour and ipprint. For the second, you need to have the libbz2-dev package installed. So:

sudo apt-get install libbz2-dev
cabal update
cabal install ipprint hscolour

Upvotes: 2

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