summaryrefslogtreecommitdiff
blob: 002081eb2483868a77046602a2ab91985cef1acc (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
133
134
135
136
137
138
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

LUA_COMPAT=( luajit )
PYTHON_COMPAT=( python3_{9..11} )
LLVM_MAX_SLOT=17

inherit cmake linux-info llvm lua-single python-r1 toolchain-funcs

DESCRIPTION="Tools for BPF-based Linux IO analysis, networking, monitoring, and more"
HOMEPAGE="https://iovisor.github.io/bcc/"
SRC_URI="https://github.com/iovisor/bcc/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
IUSE="+lua test"

REQUIRED_USE="
	${PYTHON_REQUIRED_USE}
	lua? ( ${LUA_REQUIRED_USE} )
"

# tests need root access
RESTRICT="test"

RDEPEND="
	>=dev-libs/elfutils-0.166:=
	>=dev-libs/libbpf-0.7.0:=[static-libs(-)]
	sys-kernel/linux-headers
	<sys-devel/clang-$((${LLVM_MAX_SLOT} + 1)):=
	<sys-devel/llvm-$((${LLVM_MAX_SLOT} + 1)):=[llvm_targets_BPF(+)]
	${PYTHON_DEPS}
	lua? ( ${LUA_DEPS} )
"
DEPEND="
	${RDEPEND}
	test? (
		|| (
			net-misc/iputils[arping]
			net-analyzer/arping
		)
		net-analyzer/netperf
		net-misc/iperf:*
	)
"
BDEPEND="
	app-arch/zip
	virtual/pkgconfig
"

PATCHES=(
	"${FILESDIR}/bcc-0.9.0-no-luajit-automagic-dep.patch"
	"${FILESDIR}/bcc-0.25.0-cmakelists.patch"
	"${FILESDIR}/bcc-0.23.0-man-compress.patch"
)

pkg_pretend() {
	local CONFIG_CHECK="~BPF ~BPF_SYSCALL ~NET_CLS_BPF ~NET_ACT_BPF
		~HAVE_EBPF_JIT ~BPF_EVENTS ~DEBUG_INFO ~FUNCTION_TRACER ~KALLSYMS_ALL
		~KPROBES"

	check_extra_config
}

pkg_setup() {
	llvm_pkg_setup
	python_setup
}

src_prepare() {
	local bpf_link_path

	# this avoids bundling
	bpf_link_path="$(realpath --relative-to="${S}/src/cc/libbpf" /usr/include/bpf)" || die
	ln -sfn "${bpf_link_path}" src/cc/libbpf/include || die

	# bug 811288
	local script scriptname
	for script in $(find tools/old -type f -name "*.py" || die); do
		scriptname=$(basename ${script} || die)
		mv ${script} tools/old/old-${scriptname} || die
	done

	cmake_src_prepare
}

python_add_impl() {
	bcc_python_impls+="${EPYTHON};"
}

src_configure() {
	local bcc_python_impls
	python_foreach_impl python_add_impl

	local mycmakeargs=(
		-DREVISION=${PV%%_*}
		-DENABLE_LLVM_SHARED=ON
		-DCMAKE_USE_LIBBPF_PACKAGE=ON
		-DLIBBPF_INCLUDE_DIRS="$($(tc-getPKG_CONFIG) --cflags-only-I libbpf | sed 's:-I::g')"
		-DKERNEL_INCLUDE_DIRS="${KERNEL_DIR}"
		-DPYTHON_CMD="${bcc_python_impls%;}"
		-Wno-dev
	)
	if use lua && use lua_single_target_luajit; then
		mycmakeargs+=( -DWITH_LUAJIT=1 )
	fi

	cmake_src_configure
}

src_install() {
	cmake_src_install

	python_replicate_script $(grep -Flr '#!/usr/bin/python' "${ED}/usr/share/bcc/tools")
	python_foreach_impl python_optimize

	newenvd "${FILESDIR}"/60bcc.env 60bcc.env
	local -A rename_tools=(
		[trace]=1
	)

	local tool name
	for tool in "${ED}"/usr/share/bcc/tools/*; do
		[[ ! -x ${tool} && ! -L ${tool} || -d ${tool} ]] && continue
		name=${tool##*/}
		[[ -n ${rename_tools[${name}]} ]] && name=bcc-${name}
		dosym -r "${tool#${ED}}" /usr/sbin/${name}
	done

	docompress /usr/share/${PN}/man

	newenvd - "70${P}" <<-_EOF_
		MANPATH="${EPREFIX}/usr/share/${PN}/man"
	_EOF_
}