build your own c-repl

c-repo.sh

#clone repl from github or download form http://neugierig.org/software/c-repl/ 

git clone https://github.com/martine/c-repl.git c-repl

#install dependencies

sudo apt-get install ghc6 gccxml libghc6-parsec-dev libghc6-mtl-dev \
                       libghc6-hunit-dev

sudo apt-get install gdb libexpat1-dev c2hs libreadline-dev

#install cabal

sudo apt-get install cabal-install

#use cabal to install hexpat hgdbmi readline

cabal update

#>update cabal

cabal install cabal-install

cabal install hexpat

cabal install hgdbmi

cabal install readline

#cd to your c-repl repo

cabal configure

#got an error

setup: At least the following dependencies are missing:
hexpat ==0.9

#find in c-repl folder a file named c-repl.cabal

change:

Build-Depends:
    base, bytestring, containers, directory, filepath, HUnit, mtl, parsec,
    process, readline, unix, hexpat == 0.9, hgdbmi == 0.1

to:

Build-Depends:
    base, bytestring, containers, directory, filepath, HUnit, mtl, parsec,
    process, readline, unix, hexpat >= 0.9, hgdbmi == 0.1  

#reinstall

cabal configure

cabal install

#success

./c-repl

c-repl: a C read-eval-print loop.
enter '.h' at the prompt for help.
> int x = 2;
> printf("%d\n",x);
2


#alias it will be better