[Haskell-cafe] trying to build Hackage hoq-0.3

Utku Demir utdemir at gmail.com
Mon Jan 25 07:36:47 UTC 2016

It looks like the "readline" library(the C one, not the Haskell one) is
missing on your system. Can you install it via your distributions package
manager (assuming you're using Linux)?


 $ sudo apt-get install libreadline-dev    # could be libreadline6-dev

On Mon, 25 Jan 2016 at 09:22 Vasili I. Galchin <vigalchin at gmail.com> wrote:

> 1) ghc version 7.6.3
> 2) cabal version
> 3) when i run "cabal install",
>        I receive on stdout :
> Resolving dependencies...
> Configuring readline-
> checking for gcc... gcc
> checking for C compiler default output file name... a.out
> checking whether the C compiler works... yes
> checking whether we are cross compiling... no
> checking for suffix of executables...
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether gcc accepts -g... yes
> checking for gcc option to accept ISO C89... none needed
> checking for GNUreadline.framework... checking for readline... no
> checking for tputs in -lncurses... no
> checking for tputs in -ltermcap... no
> checking for tputs in -lcurses... no
> checking for rl_readline_version... no
> configure: error: readline not found, so this package cannot be built
> See `config.log' for more details.
> Failed to install readline-
> cabal: Error: some packages failed to install:
> hoq-0.3 depends on readline- which failed to install.
> readline- failed during the configure step. The exception was:
> ExitFailure 1
> 4) I googled Haskell and readline and I found the same error with
> other Haskell packages like Twitter.
> How do I resolve my build  readline problem?
> Vasya
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