fswatch : cross-platform file change monitor with multiple backends ( https://github.com/emcrisostomo/fswatch )
udev : Linux dynamic and persistent device naming support (aka userspace devfs) ( https://www.freedesktop.org/wiki/Software/systemd )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a poly-c
For Paludis use this rsync : rsync://gentoo.zugaina.org/poly-c-portage
If you have a problem : ycarus(-at-)zugaina.org