gdk-pixbuf-xlib : Deprecated Xlib integration for GdkPixbuf ( https://gitlab.gnome.org/Archive/gdk-pixbuf-xlib )
gl2ps : OpenGL to PostScript printing library ( http://www.geuz.org/gl2ps/ )
gtk+ : Gimp ToolKit + ( https://www.gtk.org/ )
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