echo "tested on Ubuntu 12. If this fails try 'old linux' build (see README.md)"

if [ "`dpkg --list | grep -i cgal`" ]; then
	echo "Please make sure you have run apt-get purge on all cgal packages"
  exit
fi

if [ "`dpkg --list | grep -i opencsg`" ]; then
	echo "Please make sure you have run apt-get purge on all opencsg packages"
  exit
fi

sudo apt-get install libqt4-dev libqt4-opengl-dev libxmu-dev cmake \
 bison flex libeigen2-dev git-core libboost-all-dev libXi-dev libmpfr-dev \
 libgmp-dev libboost-dev

echo "now copy/paste the following to install CGAL and OpenCSG from source:"
echo "sudo BASEDIR=/usr/local ./scripts/linux-build-dependencies.sh cgal-use-sys-libs"
echo "sudo BASEDIR=/usr/local ./scripts/linux-build-dependencies.sh opencsg"