Gentoo Bootstrapping

https://wiki.gentoo.org/wiki/Cross_build_environment#Update_the_target_build_configuration

This seems to be the commands I used: crossdev --clean -t riscv64-unknown-linux-gnu crossdev -t riscv64-unknown-linux-gnu PORTAGE_CONFIGROOT=/usr/riscv64-unknown-linux-gnu eselect profile list PORTAGE_CONFIGROOT=/usr/riscv64-unknown-linux-gnu eselect profile show PORTAGE_CONFIGROOT=/usr/riscv64-unknown-linux-gnu eselect profile set 1 USE=build riscv64-unknown-linux-gnu-emerge -v1 baselayout USE=build riscv64-unknown-linux-gnu-emerge -v1 sys-libs/glibc riscv64-unknown-linux-gnu-emerge -v1 @system riscv64-unknown-linux-gnu-emerge --update --deep --changed-use @world riscv64-unknown-linux-gnu-emerge --depclean