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)?

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

On Mon, 25 Jan 2016 at 09:22 Vasili I. Galchin <vigalchin@gmail.com> wrote:
1) ghc version 7.6.3

2) cabal version 1.16.0.2

3) when i run "cabal install",

       I receive on stdout :

Resolving dependencies...
Configuring readline-1.0.3.0...
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-1.0.3.0
cabal: Error: some packages failed to install:
hoq-0.3 depends on readline-1.0.3.0 which failed to install.
readline-1.0.3.0 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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