Packages with the prefix use flag

Global definition: Defines if a Gentoo Prefix offset installation is used.

dev-lang / R : Language and environment for statistical computing and graphics

dev-lang / rust-bin : Systems programming language from Mozilla

dev-libs / libiconv : GNU charset conversion library for libc which doesn't implement it

mail-client / mutt : A small but very powerful text-based mail client

sci-physics / root : C++ data analysis framework and interpreter from CERN