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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=5

inherit flag-o-matic cuda autotools-multilib multilib toolchain-funcs versionator

MY_PV=v$(get_version_component_range 1-2)

DESCRIPTION="displays the hardware topology in convenient formats"
HOMEPAGE="https://www.open-mpi.org/projects/hwloc/"
SRC_URI="https://www.open-mpi.org/software/${PN}/${MY_PV}/downloads/${P}.tar.bz2"

LICENSE="BSD"
SLOT="0/5"
KEYWORDS="~alpha amd64 arm hppa ~ia64 ppc ppc64 sparc x86 ~amd64-linux ~x86-linux"
IUSE="cairo cuda debug gl +numa +pci plugins svg static-libs xml X"

# opencl support dropped with x11-drivers/ati-drivers being removed (#582406).
# Anyone with hardware is welcome to step up and help test to get it re-added.

# dev-util/nvidia-cuda-toolkit is always multilib

RDEPEND=">=sys-libs/ncurses-5.9-r3:0[${MULTILIB_USEDEP}]
	cairo? ( >=x11-libs/cairo-1.12.14-r4[X?,svg?,${MULTILIB_USEDEP}] )
	cuda? ( >=dev-util/nvidia-cuda-toolkit-6.5.19-r1 )
	gl? ( x11-drivers/nvidia-drivers[static-libs,tools] )
	pci? (
		>=sys-apps/pciutils-3.3.0-r2[${MULTILIB_USEDEP}]
		>=x11-libs/libpciaccess-0.13.1-r1[${MULTILIB_USEDEP}]
	)
	plugins? ( dev-libs/libltdl:0[${MULTILIB_USEDEP}] )
	numa? ( >=sys-process/numactl-2.0.10-r1[${MULTILIB_USEDEP}] )
	xml? ( >=dev-libs/libxml2-2.9.1-r4[${MULTILIB_USEDEP}] )"
DEPEND="${RDEPEND}
	virtual/pkgconfig"

DOCS=( AUTHORS NEWS README VERSION )

PATCHES=(
	"${FILESDIR}/${PN}-1.8.1-gl.patch"
)
AUTOTOOLS_AUTORECONF=1

src_prepare() {
	if use cuda ; then
		append-cflags -I/opt/cuda/include
		append-cppflags -I/opt/cuda/include
	fi
	autotools-utils_src_prepare
}

multilib_src_configure() {
	export HWLOC_PKG_CONFIG=$(tc-getPKG_CONFIG) #393467
	use cuda && local LDFLAGS="${LDFLAGS} -L/opt/cuda/$(get_libdir)"
	local myeconfargs=(
		--docdir="${EPREFIX}"/usr/share/doc/${PF}
		$(use_enable cairo)
		$(use_enable cuda)
		$(use_enable debug)
		$(multilib_native_use_enable gl)
		$(use_enable pci)
		$(use_enable plugins)
		$(use_enable numa libnuma)
		$(use_enable xml libxml2)
		$(use_with X x)
	)
	autotools-utils_src_configure
}