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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
FORTRAN_NEEDED=fortran
FORTRAN_STANDARD="77 90"
inherit fortran-2 multilib-minimal flag-o-matic
MY_PV=${PV/_/}
DESCRIPTION="A high performance and portable MPI implementation"
HOMEPAGE="https://www.mpich.org/"
SRC_URI="https://www.mpich.org/static/downloads/${PV}/${P}.tar.gz"
S="${WORKDIR}"/${PN}-${MY_PV}
LICENSE="mpich2"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~hppa ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
IUSE="+cxx doc fortran mpi-threads +romio threads"
REQUIRED_USE="mpi-threads? ( threads )"
COMMON_DEPEND=">=dev-libs/libaio-0.3.109-r5[${MULTILIB_USEDEP}]
>=sys-apps/hwloc-2.0.2:=[${MULTILIB_USEDEP}]
sys-libs/libunwind:=[${MULTILIB_USEDEP}]
romio? ( net-fs/nfs-utils )"
DEPEND="${COMMON_DEPEND}
dev-lang/perl
sys-devel/libtool"
RDEPEND="${COMMON_DEPEND}
!sys-cluster/mpich2
!sys-cluster/openmpi
!sys-cluster/nullmpi"
MULTILIB_WRAPPED_HEADERS=(
/usr/include/mpicxx.h
/usr/include/mpi.h
/usr/include/opa_config.h
)
#PATCHES=(
# "${FILESDIR}"/${PN}-3.3-add-external-libdir-parameter.patch
#)
src_prepare() {
default
# Using MPICHLIB_LDFLAGS doesn't seem to fully work.
sed -i 's| *@WRAPPER_LDFLAGS@ *||' \
src/packaging/pkgconfig/mpich.pc.in \
src/env/*.in \
|| die
# Fix m4 files to satisfy lib dir with multilib.
#touch -r src/pm/hydra/confdb/aclocal_libs.m4 \
# confdb/aclocal_libs.m4 \
# || die
#cp -fp confdb/aclocal_libs.m4 \
# src/pm/hydra/confdb/aclocal_libs.m4 \
# || die
#cp -fp confdb/aclocal_libs.m4 \
# src/pm/hydra/mpl/confdb/aclocal_libs.m4 \
# || die
#cd src/pm/hydra/mpl; eautoreconf; cd -
#cd src/pm/hydra; eautoreconf; cd -
#eautoreconf
}
multilib_src_configure() {
# The configure statements can be somewhat confusing, as they
# don't all show up in the top level configure, however, they
# are picked up in the children directories. Hence the separate
# local vars.
local c=
if use mpi-threads; then
# MPI-THREAD requries threading.
c="${c} --with-thread-package=pthreads"
c="${c} --enable-threads=runtime"
else
if use threads ; then
c="${c} --with-thread-package=pthreads"
else
c="${c} --with-thread-package=none"
fi
c="${c} --enable-threads=single"
fi
c="${c} --sysconfdir=${EPREFIX}/etc/${PN}"
# GCC 10 compatibility workaround
# bug #725842
append-fflags $(test-flags-FC -fallow-argument-mismatch)
export MPICHLIB_CFLAGS="${CFLAGS}"
export MPICHLIB_CPPFLAGS="${CPPFLAGS}"
export MPICHLIB_CXXFLAGS="${CXXFLAGS}"
export MPICHLIB_FFLAGS="${FFLAGS}"
export MPICHLIB_FCFLAGS="${FCFLAGS}"
export MPICHLIB_LDFLAGS="${LDFLAGS}"
# Dropped w/ bug #725842 fix
#unset CFLAGS CPPFLAGS CXXFLAGS FFLAGS FCFLAGS LDFLAGS
# Forcing Bash as there's quite a few bashisms in the build system
#
# Note that --with-device=ch3 is preserving the old 3.3.x default
# - keeping it for compatibility for now.
CONFIG_SHELL="${BROOT}/bin/bash" ECONF_SOURCE=${S} econf \
--enable-shared \
--with-hwloc-prefix="${EPREFIX}/usr" \
--with-hwloc-libdir="$(get_libdir)" \
--with-common-libdir="$(get_libdir)" \
--with-prefix-libdir="$(get_libdir)" \
--with-izem-libdir="$(get_libdir)" \
--with-fiprovider-libdir="$(get_libdir)" \
${c} \
--with-pm=hydra \
--without-ze \
--with-device=ch3 \
--disable-fast \
--enable-versioning \
$(use_enable romio) \
$(use_enable cxx) \
$(use_enable fortran fortran all)
}
multilib_src_test() {
emake -j1 check
}
multilib_src_install() {
default
# fortran header cannot be wrapped (bug #540508), workaround part 1
if use fortran; then
if multilib_is_native_abi; then
mkdir "${T}"/fortran || die
mv "${ED}"/usr/include/mpif* "${T}"/fortran || die
mv "${ED}"/usr/include/*.mod "${T}"/fortran || die
else
rm "${ED}"/usr/include/mpif* "${ED}"/usr/include/*.mod || die
fi
fi
}
multilib_src_install_all() {
# Fortran header cannot be wrapped (bug #540508), workaround part 2
if use fortran; then
mv "${T}"/fortran/* "${ED}"/usr/include || die
fi
einstalldocs
newdoc src/pm/hydra/README README.hydra
if use romio; then
newdoc src/mpi/romio/README README.romio
fi
if ! use doc; then
rm -rf "${ED}"/usr/share/doc/${PF}/www* || die
fi
}
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