full-stdlib - Install complete stdlib as necessary to use PyPy for general purpose programs. By default, only a limited subset that is used when building dev-python/pypy3-exe is installed. Note that PyPy2.7's stdlib contains multiple known vulnerabilities.
gdbm - Add support for sys-libs/gdbm (GNU database libraries)
jit - Enable just-in-time compilation for improved performance. May prevent use of some PaX memory protection features in Gentoo Hardened.
ncurses - Add ncurses support (console display library)
sqlite - Add support for sqlite - embedded sql database