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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
FORTRAN_NEEDED=fortran
inherit cuda fortran-2 multilib-minimal
MY_P=${P/-mpi}
IUSE_OPENMPI_FABRICS="
openmpi_fabrics_ofed
openmpi_fabrics_knem"
IUSE_OPENMPI_RM="
openmpi_rm_pbs
openmpi_rm_slurm"
IUSE_OPENMPI_OFED_FEATURES="
openmpi_ofed_features_control-hdr-padding
openmpi_ofed_features_udcm
openmpi_ofed_features_rdmacm
openmpi_ofed_features_dynamic-sl"
DESCRIPTION="A high-performance message passing library (MPI)"
HOMEPAGE="https://www.open-mpi.org"
SRC_URI="https://www.open-mpi.org/software/ompi/v$(ver_cut 1-2)/downloads/${MY_P}.tar.bz2"
S="${WORKDIR}/${MY_P}"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux"
IUSE="cma cuda cxx fortran ipv6 libompitrace peruse romio valgrind
${IUSE_OPENMPI_FABRICS} ${IUSE_OPENMPI_RM} ${IUSE_OPENMPI_OFED_FEATURES}"
REQUIRED_USE="
openmpi_rm_slurm? ( !openmpi_rm_pbs )
openmpi_rm_pbs? ( !openmpi_rm_slurm )
openmpi_ofed_features_control-hdr-padding? ( openmpi_fabrics_ofed )
openmpi_ofed_features_udcm? ( openmpi_fabrics_ofed )
openmpi_ofed_features_rdmacm? ( openmpi_fabrics_ofed )
openmpi_ofed_features_dynamic-sl? ( openmpi_fabrics_ofed )"
RDEPEND="
!sys-cluster/mpich
!sys-cluster/mpich2
!sys-cluster/nullmpi
>=dev-libs/libevent-2.0.22:=[${MULTILIB_USEDEP},threads(+)]
dev-libs/libltdl:0[${MULTILIB_USEDEP}]
>=sys-apps/hwloc-2.0.2:=[${MULTILIB_USEDEP}]
>=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}]
cuda? ( >=dev-util/nvidia-cuda-toolkit-6.5.19-r1:= )
openmpi_fabrics_ofed? ( sys-cluster/rdma-core )
openmpi_fabrics_knem? ( sys-cluster/knem )
openmpi_rm_pbs? ( sys-cluster/torque )
openmpi_rm_slurm? ( sys-cluster/slurm )
openmpi_ofed_features_rdmacm? ( sys-cluster/rdma-core )"
DEPEND="${RDEPEND}
valgrind? ( dev-debug/valgrind )"
MULTILIB_WRAPPED_HEADERS=(
/usr/include/mpi.h
/usr/include/openmpi/mpiext/mpiext_cuda_c.h
)
pkg_setup() {
fortran-2_pkg_setup
elog
elog "OpenMPI has an overwhelming count of configuration options."
elog "Don't forget the EXTRA_ECONF environment variable can let you"
elog "specify configure options if you find them necessary."
elog
}
src_prepare() {
default
# Avoid test which ends up looking at system mounts
echo "int main() { return 0; }" > test/util/opal_path_nfs.c || die
# Necessary for scalibility, see
# http://www.open-mpi.org/community/lists/users/2008/09/6514.php
echo 'oob_tcp_listen_mode = listen_thread' \
>> opal/etc/openmpi-mca-params.conf || die
}
multilib_src_configure() {
local myconf=(
--disable-mpi-java
# configure takes a looooong time, but upstream currently force
# constriants on caching:
# https://github.com/open-mpi/ompi/blob/9eec56222a5c98d13790c9ee74877f1562ac27e8/config/opal_config_subdir.m4#L118
# so no --cache-dir for now.
--enable-mpi-fortran=$(usex fortran all no)
--enable-orterun-prefix-by-default
--enable-pretty-print-stacktrace
--sysconfdir="${EPREFIX}/etc/${PN}"
--with-hwloc="${EPREFIX}/usr"
--with-hwloc-libdir="${EPREFIX}/usr/$(get_libdir)"
--with-libltdl="${EPREFIX}/usr"
--with-libevent="${EPREFIX}/usr"
--with-libevent-libdir="${EPREFIX}/usr/$(get_libdir)"
# Re-enable for 5.0!
# See https://github.com/open-mpi/ompi/issues/9697#issuecomment-1003746357
# and https://bugs.gentoo.org/828123#c14
--disable-heterogeneous
$(use_enable cxx mpi-cxx)
$(use_enable ipv6)
$(use_enable libompitrace)
$(use_enable peruse)
$(use_enable romio io-romio)
$(use_with cma)
$(multilib_native_use_enable openmpi_ofed_features_control-hdr-padding openib-control-hdr-padding)
$(multilib_native_use_enable openmpi_ofed_features_rdmacm openib-rdmacm)
$(multilib_native_use_enable openmpi_ofed_features_udcm openib-udcm)
$(multilib_native_use_enable openmpi_ofed_features_dynamic-sl openib-dynamic-sl)
$(multilib_native_use_with cuda cuda "${EPREFIX}"/opt/cuda)
$(multilib_native_use_with valgrind)
$(multilib_native_use_with openmpi_fabrics_ofed verbs "${EPREFIX}"/usr)
$(multilib_native_use_with openmpi_fabrics_knem knem "${EPREFIX}"/usr)
$(multilib_native_use_with openmpi_rm_pbs tm)
$(multilib_native_use_with openmpi_rm_slurm slurm)
)
CONFIG_SHELL="${BROOT}"/bin/bash ECONF_SOURCE="${S}" econf "${myconf[@]}"
}
multilib_src_compile() {
emake V=1
}
multilib_src_install() {
default
# fortran header cannot be wrapped (bug #540508), workaround part 1
if multilib_is_native_abi && use fortran; then
mkdir "${T}"/fortran || die
mv "${ED}"/usr/include/mpif* "${T}"/fortran || die
else
# some fortran files get installed unconditionally
rm \
"${ED}"/usr/include/mpif* \
"${ED}"/usr/bin/mpif* \
|| die
fi
}
multilib_src_install_all() {
# fortran header cannot be wrapped (bug #540508), workaround part 2
if use fortran; then
mv "${T}"/fortran/mpif* "${ED}"/usr/include || die
fi
# Remove la files, no static libs are installed and we have pkg-config
find "${ED}" -name '*.la' -delete || die
einstalldocs
}
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