[Haskell-beginners] Can't install json-.0.4.4 - memory allocation failed

[Rico Moorman]

Hi Dan,

I actually ran into the same problem installing the json library (as
requirement of pandoc) some time ago. I solved this by using a more recent
version of GHC (for linux in my case). I think 6.12.3 is regarded as quite
dated.

I hope this helps.

Best regards,

Rico Moorman


On Mon, Nov 19, 2012 at 7:18 PM, Dan Tenenbaum <dtenenba at fhcrc.org> wrote:

> Hi all,
>
> Please tell me where I should post this if this is not the appropriate
> list.
>
> I tried to install the json-0.4.4 package on Mac OS 10.5.8, and got this
> error:
>
> $  sudo cabal install "json-0.4.4"
> Building json-0.4.4...
> [1 of 7] Compiling Text.JSON.Types  ( Text/JSON/Types.hs,
> dist/build/Text/JSON/Types.o )
> [2 of 7] Compiling Text.JSON.Pretty ( Text/JSON/Pretty.hs,
> dist/build/Text/JSON/Pretty.o )
> [3 of 7] Compiling Text.JSON.ReadP  ( Text/JSON/ReadP.hs,
> dist/build/Text/JSON/ReadP.o )
>
> Text/JSON/ReadP.hs:104:21:
>     Warning: A do-notation statement discarded a result of type b.
>              Suppress this warning by saying "_ <- n",
>              or by using the flag -fno-warn-unused-do-bind
> [4 of 7] Compiling Text.JSON.Parsec ( Text/JSON/Parsec.hs,
> dist/build/Text/JSON/Parsec.o )
> ghc: memory allocation failed (requested 2097152 bytes)
> cabal: Error: some packages failed to install:
> json-0.4.4 failed during the building phase. The exception was:
> ExitFailure 1
>
> This is on a machine with 16GB of RAM.
>
> I don't think
>
> http://www.haskell.org/cabal/FAQ.html#cabal-goes-into-an-infinite-loop--runs-out-of-memory
> applies because I'm using higher versions than mentioned there:
> $ ghc --version
> The Glorious Glasgow Haskell Compilation System, version 6.12.3
> $ cabal --version
> cabal-install version 0.8.2
> using version 1.8.0.6 of the Cabal library
>
> I know Mac OS 10.5.8 is old, but unfortunately ugrading this
> particular machine is not an option.
> Hope someone can help.
> Thanks,
> Dan
>
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