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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
FORTRAN_NEEDED=fortran
inherit fortran-2 flag-o-matic toolchain-funcs
MY_P=${P/-mpi}
DESCRIPTION="A high-performance message passing library (MPI)"
HOMEPAGE="https://www.open-mpi.org"
SRC_URI="https://www.open-mpi.org/software/ompi/v1.4/downloads/${MY_P}.tar.bz2"
LICENSE="BSD"
SLOT="0"
RESTRICT="mpi-threads? ( test )"
KEYWORDS="~alpha amd64 ~ia64 ppc ppc64 sparc x86"
IUSE="+cxx fortran heterogeneous ipv6 mpi-threads pbs romio threads vt"
RDEPEND="
pbs? ( sys-cluster/torque )
vt? (
!dev-libs/libotf
!app-text/lcdf-typetools
)
!sys-cluster/mpich
!sys-cluster/mpich2
!sys-cluster/pmix"
DEPEND="${RDEPEND}"
S=${WORKDIR}/${MY_P}
pkg_setup() {
fortran-2_pkg_setup
if use mpi-threads; then
echo
ewarn "WARNING: use of MPI_THREAD_MULTIPLE is still disabled by"
ewarn "default and officially unsupported by upstream."
ewarn "You may stop now and set USE=-mpi-threads"
echo
fi
echo
elog "OpenMPI has an overwhelming count of configuration options."
elog "Don't forget the EXTRA_ECONF environment variable can let you"
elog "specify configure options if you find them necessary."
echo
}
src_prepare() {
default
# Necessary for scalibility, see
# http://www.open-mpi.org/community/lists/users/2008/09/6514.php
if use threads; then
echo 'oob_tcp_listen_mode = listen_thread' \
>> opal/etc/openmpi-mca-params.conf
fi
}
src_configure() {
local myconf=(
--sysconfdir="${EPREFIX}/etc/${PN}"
--enable-pretty-print-stacktrace
--enable-orterun-prefix-by-default
--without-slurm)
if use mpi-threads; then
myconf+=(--enable-mpi-threads
--enable-progress-threads)
fi
if use fortran; then
if [[ $(tc-getFC) =~ g77 ]]; then
myconf+=(--disable-mpi-f90)
elif [[ $(tc-getFC) =~ if ]]; then
# Enabled here as gfortran compile times are huge with this enabled.
myconf+=(--with-mpi-f90-size=medium)
fi
else
myconf+=(--disable-mpi-f90 --disable-mpi-f77)
fi
! use vt && myconf+=(--enable-contrib-no-build=vt)
econf "${myconf[@]}" \
$(use_enable cxx mpi-cxx) \
$(use_enable romio io-romio) \
$(use_enable heterogeneous) \
$(use_with pbs tm) \
$(use_enable ipv6)
}
src_install() {
default
dodoc README AUTHORS NEWS VERSION
}
src_test() {
# Doesn't work with the default src_test as the dry run (-n) fails.
emake -j1 check
}
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