ubuntu prerequisites
# Multiprecision arithmetic library developers tools
$ sudo apt-get install libgmp-dev -y
$ sudo -K
ghc installation
$ cd $HOME/Downloads
$ wget http://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-x86_64-unknown-linux-deb7.tar.bz2
$ tar xjvf ghc-7.8.2-x86_64-unknown-linux-deb7.tar.bz2
$ cd ghc-7.8.2
$ ./configure --prefix=$HOME/Development/bin/ghc-7.8.2
# or choose another path
$ make install
symbol links
$ cd $HOME/Development/bin
$ ln -s `pwd`/ghc-7.8.2 ghc
add $HOME/Development/bin/ghc to $PATH
$ PATH=$HOME/Development/bin/ghc/bin:${PATH}
remove temporary files
cd $HOME/Downloads
rm ghc-7.8.2-x86_64-unknown-linux-deb7.tar.bz2
rm -rf ghc-7.8.2
clone dist
$ cd $HOME/Downloads
$ wget http://www.haskell.org/cabal/release/cabal-1.20.0.0/Cabal-1.20.0.0.tar.gz
extract
$ tar xzvf Cabal-1.20.0.0.tar.gz
$ cd Cabal-1.20.0.0
build
$ ghc --make Setup.hs
$ ./Setup configure --user
$ ./Setup build
$ ./Setup install
remove temporary files
cd $HOME/Downloads
rm Cabal-1.20.0.0.tar.gz
rm -rf Cabal-1.20.0.0
get dist
$ cd $HOME/Downloads
$ wget http://www.haskell.org/cabal/release/cabal-install-1.20.0.0/cabal-install-1.20.0.0.tar.gz
extract
$ tar xzvf cabal-install-1.20.0.0.tar.gz
$ cd cabal-install-1.20.0.0
install
$ ./bootstrap.sh
remove temporary files
cd $HOME/Downloads
rm cabal-install-1.20.0.0.tar.gz
rm -rf cabal-install-1.20.0.0
add path to cabal to PATH environment
$ PATH=$HOME/.cabal/bin:$PATH