kpathsea : Path searching library for TeX-related files ( https://tug.org/texlive/ )
ptexenc : Library for Japanese pTeX providing a better way of handling character encodings ( http://tutimura.ath.cx/ptexlive/?ptexenc )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a tex-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/tex-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org