Install this version:
emerge -a =sci-biology/foldingathome-8.5.5
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =sci-biology/foldingathome-8.5.5
Or alternatively:
emerge --autounmask-write -a =sci-biology/foldingathome-8.5.5
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit desktop systemd unpacker xdg
DESCRIPTION="Folding@Home distributed computing client for protein folding research"
HOMEPAGE="https://foldingathome.org/"
BASE_URI="https://download.foldingathome.org/releases/public/fah-client"
SRC_URI="
amd64? ( ${BASE_URI}/debian-10-64bit/release/fah-client_${PV}_amd64.deb -> ${P}-amd64.deb )
arm64? ( ${BASE_URI}/debian-stable-arm64/release/fah-client_${PV}_arm64.deb -> ${P}-arm64.deb )
"
S="${WORKDIR}"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="-* ~amd64 ~arm64"
RESTRICT="bindist mirror strip"
RDEPEND="
acct-group/foldingathome
acct-user/foldingathome
dev-libs/openssl:=
sys-libs/glibc
sys-libs/zlib:=
"
QA_PREBUILT="*"
src_install() {
exeinto /opt/foldingathome
doexe usr/bin/fah-client
doexe usr/bin/fahctl
dosym ../../opt/foldingathome/fah-client /usr/bin/fah-client
dosym ../../opt/foldingathome/fahctl /usr/bin/fahctl
keepdir /etc/fah-client
keepdir /var/lib/fah-client
keepdir /var/log/fah-client
fowners foldingathome:foldingathome /etc/fah-client
fowners foldingathome:foldingathome /var/lib/fah-client
fowners foldingathome:foldingathome /var/log/fah-client
newinitd "${FILESDIR}"/foldingathome-initd fah-client
newconfd "${FILESDIR}"/foldingathome-confd fah-client
systemd_dounit "${FILESDIR}"/fah-client.service
insinto /usr/share/polkit-1/rules.d
newins "${FILESDIR}"/10-fah-client.rules 10-fah-client.rules
newicon usr/share/pixmaps/fahlogo.png fah-client.png
make_desktop_entry "xdg-open https://app.foldingathome.org/" \
"Folding@home Client" fah-client "Science;Biology;"
dodoc usr/share/doc/fah-client/README.md
}
pkg_postinst() {
xdg_pkg_postinst
elog "To run Folding@home in the background at boot:"
elog " OpenRC: rc-update add fah-client default"
elog " systemd: systemctl enable fah-client"
elog ""
elog "Access the web interface at http://localhost:7396"
elog "Or use the official web app at https://app.foldingathome.org/"
}
pkg_postrm() {
xdg_pkg_postrm
elog "Folding@home data files in /var/lib/fah-client were not removed."
elog "Remove them manually if no longer needed."
}
acct-group/foldingathome acct-user/foldingathome dev-libs/openssl:= sys-libs/glibc sys-libs/zlib:=