I maintain renoise ebuilds for gentoo linux.
layman:
layman -a causelay
emerge -av renoise
emerge -av renoise-demo
manual:
git clone https://github.com/causes-/causelay
echo ‘PORTDIR_OVERLAY="/home/username/causelay"’ >> /etc/portage/make.conf
emerge -av renoise
emerge -av renoise-demo