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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{8..10} )
inherit toolchain-funcs linux-info python-r1
DESCRIPTION="utility to checkpoint/restore a process tree"
HOMEPAGE="
https://criu.org/
https://github.com/checkpoint-restore/
"
SRC_URI="https://github.com/checkpoint-restore/${PN}/archive/v${PV}/${P}.tar.gz"
LICENSE="GPL-2 LGPL-2.1"
SLOT="0"
KEYWORDS="amd64 ~arm arm64 ppc64 -riscv"
IUSE="bpf doc gnutls nftables selinux setproctitle static-libs test"
REQUIRED_USE="${PYTHON_REQUIRED_USE}"
COMMON_DEPEND="
${PYTHON_DEPS}
>=dev-libs/protobuf-c-1.4.0:=
dev-libs/libnl:3=
net-libs/libnet:1.1=
sys-libs/libcap:=
bpf? ( dev-libs/libbpf:= )
gnutls? ( net-libs/gnutls:= )
nftables? ( net-libs/gnutls:= )
selinux? ( sys-libs/libselinux:= )
setproctitle? ( dev-libs/libbsd:= )
"
DEPEND="${COMMON_DEPEND}"
BDEPEND="
dev-python/setuptools[${PYTHON_USEDEP}]
doc? (
app-text/asciidoc
app-text/xmlto
)
"
RDEPEND="
${COMMON_DEPEND}
dev-python/protobuf-python[${PYTHON_USEDEP}]
"
CONFIG_CHECK="~CHECKPOINT_RESTORE ~NAMESPACES ~PID_NS ~FHANDLE ~EVENTFD ~EPOLL ~INOTIFY_USER
~UNIX_DIAG ~INET_DIAG ~INET_UDP_DIAG ~PACKET_DIAG ~NETLINK_DIAG ~TUN ~NETFILTER_XT_MARK"
# root access required for tests
RESTRICT="!test? ( test )"
PATCHES=(
"${FILESDIR}/2.2/criu-2.2-flags.patch"
"${FILESDIR}/2.3/criu-2.3-no-git.patch"
"${FILESDIR}/criu-3.12-automagic-libbsd.patch"
"${FILESDIR}/criu-3.16.1-buildsystem.patch"
)
criu_arch() {
# criu infers the arch from $(uname -m). We never want this to happen.
case ${ARCH} in
amd64) echo "x86";;
arm64) echo "aarch64";;
ppc64*) echo "ppc64";;
*) echo "${ARCH}";;
esac
}
pkg_setup() {
use amd64 && CONFIG_CHECK+=" ~IA32_EMULATION"
linux-info_pkg_setup
}
src_prepare() {
default
use doc || sed -i 's_\(install: \)install-man _\1_g' Makefile.install
}
criu_use() {
if ! use "${1}"; then
sed \
-e "s:${2:-${1}}:no_${2:-lib${1}}:g" \
-i Makefile.config || die
fi
}
src_configure() {
# Gold linker generates invalid object file when used with criu's custom
# linker script. Use the bfd linker instead. See https://crbug.com/839665#c3
tc-ld-disable-gold
# Build system uses this variable as a trigger to append coverage flags
# we'd like to avoid it. https://bugs.gentoo.org/744244
unset GCOV
# we have to sed the Makdfile.config to disable automagic deps
criu_use selinux
criu_use bpf
criu_use nftables
emake_opts=(
SETPROCTITLE="$(usex setproctitle)"
NO_GNUTLS="$(usex gnutls '' '1')"
)
python_setup
}
criu_emake() {
emake \
AR="$(tc-getAR)" \
ARCH="$(criu_arch)" \
CC="$(tc-getCC)" \
FULL_PYTHON="${PYTHON%.*}" \
HOSTCC="$(tc-getBUILD_CC)" \
LD="$(tc-getLD)" \
LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
LOGROTATEDIR="${EPREFIX}"/etc/logrotate.d \
OBJCOPY="$(tc-getOBJCOPY)" \
PKG_CONFIG="$(tc-getPKG_CONFIG)" \
PREFIX="${EPREFIX}"/usr \
PYTHON="${EPYTHON%.*}" \
V=1 WERROR=0 DEBUG=0 \
"${emake_opts[@]}" \
"${@}"
}
build_crit() {
"${EPYTHON}" scripts/crit-setup.py build || die
}
src_compile() {
local -a targets=(
all
$(usex doc 'docs' '')
)
criu_emake ${targets}
}
src_test() {
criu_emake unittest
}
install_crit() {
"${EPYTHON}" scripts/crit-setup.py install --root="${D}" --prefix="${EPREFIX}/usr/" || die
python_optimize
}
src_install() {
criu_emake DESTDIR="${D}" install
python_foreach_impl install_crit
dodoc CREDITS README.md
if ! use static-libs; then
find "${D}" -name "*.a" -delete || die
fi
}
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