glibc : GNU libc C library ( https://www.gnu.org/software/libc/ )
linux-syscall-support : Generally mirror libc but use direct syscalls ( https://chromium.googlesource.com/linux-syscall-support )
pinktrace : ptrace() easy wrapper library ( https://dev.exherbo.org/~alip/pinktrace/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a prototype99
For Paludis use this rsync : rsync://gentoo.zugaina.org/prototype99-portage
If you have a problem : ycarus(-at-)zugaina.org