# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit autotools flag-o-matic multilib-minimal

DESCRIPTION="Utilities and libraries for NUMA systems"
HOMEPAGE="https://github.com/numactl/numactl"
if [[ "${PV}" == 9999 ]] ; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/numactl/numactl.git"
else
	SRC_URI="https://github.com/numactl/numactl/releases/download/v${PV}/${P}.tar.gz"
	# ARM lacks the __NR_migrate_pages syscall.
	KEYWORDS="*"
fi

LICENSE="GPL-2"
SLOT="0"
IUSE="static-libs"

PATCHES=(
	"${FILESDIR}"/${PN}-2.0.14-latomic.patch
	"${FILESDIR}"/${PN}-2.0.14-numademo-cflags.patch #540856
)

src_prepare() {
	default

	# lto not supported yet
	# gcc-9 with -flto leads to link failures: #692254
	filter-flags -flto*

	eautoreconf
	# We need to copy the sources or else tests will fail
	multilib_copy_sources
}

multilib_src_configure() {
	ECONF_SOURCE="${S}" econf $(use_enable static-libs static)
}

multilib_src_compile() {
	multilib_is_native_abi && default || emake libnuma.la
}

multilib_src_test() {
	if multilib_is_native_abi ; then
		if [[ -d /sys/devices/system/node ]] ; then
			einfo "The only generically safe test is regress2."
			einfo "The other test cases require 2 NUMA nodes."
			emake regress2
		else
			ewarn "You do not have baseline NUMA support in your kernel, skipping tests."
		fi
	fi
}

multilib_src_install() {
	emake DESTDIR="${D}" \
		install$(multilib_is_native_abi || echo "-libLTLIBRARIES install-includeHEADERS")
	find "${ED}"/usr/ -type f -name libnuma.la -delete || die
}

multilib_src_install_all() {
	local DOCS=( README.md )
	einstalldocs
	# delete man pages provided by the man-pages package #238805
	rm -r "${ED}"/usr/share/man/man[25] || die
}