1 files changed, 123 insertions, 0 deletions
diff --git a/dev-util/bpftool/bpftool-5.19.2-r1.ebuild b/dev-util/bpftool/bpftool-5.19.2-r1.ebuild
new file mode 100644
index 000000000000..a0c1c2b4cfc2
--- /dev/null
+++ b/dev-util/bpftool/bpftool-5.19.2-r1.ebuild
@@ -0,0 +1,123 @@
+# Copyright 2021-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+inherit estack linux-info optfeature python-any-r1 toolchain-funcs
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Tool for inspection and simple manipulation of eBPF programs and maps"
+HOMEPAGE="https://kernel.org/"
+
+LINUX_V="${PV:0:1}.x"
+LINUX_VER=$(ver_cut 1-2)
+LINUX_PATCH=patch-${PV}.xz
+SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
+SRC_URI+=" https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/dev-util/perf/perf-5.19-binutils-2.39-patches.tar.xz"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/bpf/bpftool"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~riscv ~x86"
+IUSE="caps"
+
+RDEPEND="
+	sys-libs/binutils-libs:=
+	sys-libs/zlib:=
+	virtual/libelf:=
+	caps? ( sys-libs/libcap:= )
+"
+DEPEND="
+	${RDEPEND}
+	>=sys-kernel/linux-headers-5.8
+"
+BDEPEND="
+	${LINUX_PATCH+dev-util/patchutils}
+	${PYTHON_DEPS}
+	dev-python/docutils
+"
+
+CONFIG_CHECK="~DEBUG_INFO_BTF"
+
+# src_unpack and src_prepare are copied from dev-util/perf since
+# it's building from the same tarball, please keep it in sync with perf
+src_unpack() {
+	local paths=(
+		tools/bpf kernel/bpf
+		tools/{arch,build,include,lib,perf,scripts} {scripts,include,lib} "arch/*/lib"
+	)
+
+	# We expect the tar implementation to support the -j option (both
+	# GNU tar and libarchive's tar support that).
+	echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+	tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+		"${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+	if [[ -n ${LINUX_PATCH} ]] ; then
+		eshopts_push -o noglob
+		ebegin "Filtering partial source patch"
+		filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} \
+			> ${P}.patch
+		eend $? || die "filterdiff failed"
+		eshopts_pop
+	fi
+
+	local a
+	for a in ${A}; do
+		[[ ${a} == ${LINUX_SOURCES} ]] && continue
+		[[ ${a} == ${LINUX_PATCH} ]] && continue
+		unpack ${a}
+	done
+}
+
+src_prepare() {
+	default
+
+	if [[ -n ${LINUX_PATCH} ]] ; then
+		pushd "${S_K}" >/dev/null || die
+		eapply "${WORKDIR}"/${P}.patch
+		popd || die
+	fi
+
+	pushd "${S_K}" >/dev/null || die
+	eapply "${WORKDIR}"/perf-5.19-binutils-2.39-patches
+	popd || die
+
+	# dev-python/docutils installs rst2man.py, not rst2man
+	sed -i -e 's/rst2man/rst2man.py/g' Documentation/Makefile || die
+}
+
+bpftool_make() {
+	local arch=$(tc-arch-kernel)
+	tc-export AR CC LD
+
+	emake V=1 VF=1 \
+		HOSTCC="$(tc-getBUILD_CC)" HOSTLD="$(tc-getBUILD_LD)" \
+		EXTRA_CFLAGS="${CFLAGS}" ARCH="${arch}" BPFTOOL_VERSION="${MY_PV}" \
+		prefix="${EPREFIX}"/usr \
+		feature-libcap="$(usex caps 1 0)" \
+		"$@"
+}
+
+src_compile() {
+	bpftool_make
+	bpftool_make -C Documentation
+}
+
+src_install() {
+	bpftool_make DESTDIR="${D}" install
+	bpftool_make mandir="${ED}"/usr/share/man -C Documentation install
+}
+
+pkg_postinst() {
+	optfeature "clang-bpf-co-re support" sys-devel/clang[llvm_targets_BPF]
+}