summaryrefslogtreecommitdiff
blob: c9f8ef9a81c233164b76067ba424258355e2feb2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python3_{6..8} )

inherit toolchain-funcs linux-info flag-o-matic python-r1

DESCRIPTION="utility to checkpoint/restore a process tree"
HOMEPAGE="https://criu.org/"
SRC_URI="https://download.openvz.org/criu/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64"
IUSE="doc python selinux setproctitle static-libs"

REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"

RDEPEND="
	dev-libs/protobuf-c
	dev-libs/libnl:3
	net-libs/libnet:1.1
	sys-libs/libcap
	python? ( ${PYTHON_DEPS} )
	selinux? ( sys-libs/libselinux )
	setproctitle? ( dev-libs/libbsd )"
DEPEND="${RDEPEND}
	doc? (
		app-text/asciidoc
		app-text/xmlto
	)"
RDEPEND="${RDEPEND}
	python? (
		dev-python/protobuf-python[${PYTHON_USEDEP}]
		dev-python/ipaddr[${PYTHON_USEDEP}]
	)"

CONFIG_CHECK="~CHECKPOINT_RESTORE ~NAMESPACES ~PID_NS ~FHANDLE ~EVENTFD ~EPOLL ~INOTIFY_USER
	~IA32_EMULATION ~UNIX_DIAG ~INET_DIAG ~INET_UDP_DIAG ~PACKET_DIAG ~NETLINK_DIAG ~TUN
	~NETFILTER_XT_MARK"

# root access required for tests
RESTRICT="test"

PATCHES=(
	"${FILESDIR}"/2.2/${PN}-2.2-flags.patch
	"${FILESDIR}"/2.3/${PN}-2.3-no-git.patch
	"${FILESDIR}"/${PN}-3.12-automagic-libbsd.patch
)

criu_arch() {
	# criu infers the arch from $(uname -m).  We never want this to happen.
	case ${ARCH} in
		amd64) echo "x86";;
		arm64) echo "aarch64";;
		*)     echo "${ARCH}";;
	esac
}

src_prepare() {
	default

	if ! use selinux; then
		sed \
			-e 's:libselinux:no_libselinux:g' \
			-i Makefile.config || die
	fi

	use doc || sed -i 's_\(install: \)install-man _\1_g' Makefile.install
}

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
	python_setup
}

src_compile() {
	local target="all $(usex doc 'docs' '')"
	RAW_LDFLAGS="$(raw-ldflags)" emake \
		HOSTCC="$(tc-getBUILD_CC)" \
		CC="$(tc-getCC)" \
		LD="$(tc-getLD)" \
		AR="$(tc-getAR)" \
		PYTHON="${EPYTHON%.?}" \
		FULL_PYTHON="${PYTHON%.?}" \
		OBJCOPY="$(tc-getOBJCOPY)" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
		ARCH="$(criu_arch)" \
		V=1 WERROR=0 DEBUG=0 \
		SETPROCTITLE=$(usex setproctitle) \
		PYCRIU=$(usex python) \
		${target}
}

src_test() {
	# root privileges are required to dump all necessary info
	if [[ ${EUID} -eq 0 ]] ; then
		emake -j1 CC="$(tc-getCC)" ARCH="$(criu_arch)" V=1 WERROR=0 test
	fi
}

install_crit() {
	"${EPYTHON}" scripts/crit-setup.py install --root="${D}" --prefix="${EPREFIX}/usr/" || die
	python_optimize
}

src_install() {
	emake \
		ARCH="$(criu_arch)" \
		PREFIX="${EPREFIX}"/usr \
		PYTHON="${EPYTHON%.?}" \
		FULL_PYTHON="${PYTHON%.?}" \
		LOGROTATEDIR="${EPREFIX}"/etc/logrotate.d \
		DESTDIR="${D}" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
		V=1 WERROR=0 DEBUG=0 \
		install

	use doc && dodoc CREDITS README.md

	if use python ; then
		python_foreach_impl install_crit
	fi

	if ! use static-libs; then
		find "${D}" -name "*.a" -delete || die
	fi
}