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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..12} )
DISTUTILS_USE_PEP517=setuptools
inherit fcaps flag-o-matic toolchain-funcs linux-info distutils-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}/${P}.tar.gz"
LICENSE="GPL-2 LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~arm arm64 ppc64 -riscv"
IUSE="bpf doc gnutls nftables selinux setproctitle static-libs test video_cards_amdgpu"
REQUIRED_USE="${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:= )
video_cards_amdgpu? ( x11-libs/libdrm[video_cards_amdgpu] )
"
DEPEND="
${COMMON_DEPEND}
"
BDEPEND="
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-3.19-buildsystem.patch"
)
FILECAPS=(
-m 0755 cap_checkpoint_restore usr/sbin/criu
)
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() {
distutils-r1_src_prepare
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${1}}:g" \
-i Makefile.config || die
fi
}
criu_python() {
local -x \
CRIU_VERSION_MAJOR="$(ver_cut 1)" \
CRIU_VERSION_MINOR=$(ver_cut 2) \
CRIU_VERSION_SUBLEVEL=$(ver_cut 3)
"${@}"
}
src_configure() {
# Gold linker generates invalid object file when used with criu's custom
# linker script. Use the bfd linker instead. See https://crbug.com/839665#c3
tc-ld-force-bfd
# the build system is quite sensitive to weird cflags
strip-unsupported-flags
filter-flags
# CRIUs doesn't like LTO https://bugs.gentoo.org/910304
filter-lto
# Build system uses this variable as a trigger to append coverage flags
# we'd like to avoid it. https://bugs.gentoo.org/744244
unset GCOV
# we have to sed the Makefile.config to disable automagic deps
criu_use selinux
criu_use bpf
criu_use nftables
criu_use video_cards_amdgpu libdrm
emake_opts=(
SETPROCTITLE="$(usex setproctitle)"
NO_GNUTLS="$(usex gnutls '' '1')"
)
python_setup
pushd crit >/dev/null || die
criu_python distutils-r1_src_configure
popd >/dev/null || die
}
criu_emake() {
emake \
AR="$(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%.*}" \
PYTHON_EXTERNALLY_MANAGED=1 \
V=1 WERROR=0 DEBUG=0 \
"${emake_opts[@]}" \
"${@}"
}
src_compile() {
local -a targets=(
all
$(usex video_cards_amdgpu 'amdgpu_plugin' '')
$(usex doc 'docs' '')
)
criu_emake ${targets[*]}
pushd crit >/dev/null || die
criu_python distutils-r1_src_compile
popd >/dev/null || die
}
src_test() {
criu_emake unittest
}
python_install() {
local -x \
CRIU_VERSION_MAJOR="$(ver_cut 1)" \
CRIU_VERSION_MINOR=$(ver_cut 2) \
CRIU_VERSION_SUBLEVEL=$(ver_cut 3)
distutils-r1_python_install
}
src_install() {
criu_emake DESTDIR="${D}" install
pushd crit >/dev/null || die
criu_python distutils-r1_src_install
popd >/dev/null || die
dodoc CREDITS README.md
if ! use static-libs; then
find "${D}" -name "*.a" -delete || die
fi
}
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