Ocaml 4.01.0 and opam 1.1.0 install helper.

ocaml-install.sh

#!/bin/bash
# Sample of this executing located below
#
# INSTALL_PREFIX=$HOME/Development/ocaml CODE_DIR=$HOME/Development/src ./ocaml-install.sh
#
function installOcaml
{
  local codeDir=$1
  local installDir=$2

  cd $codeDir

  wget http://caml.inria.fr/pub/distrib/ocaml-4.01/ocaml-4.01.0.tar.gz
  tar -xvf ocaml-4.01.0.tar.gz
  cd ocaml-4.01.0
  
  ./configure -prefix $installDir
  make world.opt
  make install

  export PATH=$PATH:$installDir/bin
}

function installOpam
{
  local codeDir=$1
  local installDir=$2

  cd $codeDir

  wget http://www.ocamlpro.com/pub/opam-full-1.1.0.tar.gz
  tar -xvf opam-full-1.1.0.tar.gz
  cd opam-full-1.1.0
  
  ./configure -prefix $installDir
  make
  make install

  $installDir/bin/opam init
  $installDir/bin/opam config setup -a

  echo ". $HOME/.opam/opam-init/init.sh > /dev/null 2> /dev/null || true" >> ~/.bashrc
}

installPrefix=${INSTALL_PREFIX:-"/usr/local"}
codeDir=${CODE_DIR:-"/usr/local/src"}

set -o nounset

installOcaml $codeDir $installPrefix
installOpam $codeDir $installPrefix

echo "Ocaml and Opam now installed, you can install utop by doing the following two things"
echo ""
echo "   1. source $HOME/.opam/opam-init/init.sh"
echo "   2. opam install --yes utop"