#!/bin/bash

set -e
set -x
date
hostname
tarballs=/mit/ghc/src
version=8.0.1
stackage=lts-7.4
target=/scratch/kenta/ghc/afs/sipb.mit.edu/project/ghc/arch/$ATHENA_SYS/install/$version-$stackage

source=$tarballs/tarballs/ghc-$version-src.tar.xz


if [ -e $target ]
then exit 1
fi

cabalrc=$HOME/.cabal
if [ -e $cabalrc ]
then exit 1
fi
pwd
rm -fr ghc-$version
tar xf $source
cd ghc-$version
perl boot
./configure --prefix=$target
nice -19 time make
date