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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
FORTRAN_NEEDED=fortran
inherit fortran-2
MY_PV=${PV/_/}
DESCRIPTION="A high performance and portable MPI implementation"
HOMEPAGE="http://www.mcs.anl.gov/research/projects/mpich2/index.php"
SRC_URI="http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/${MY_PV}/${PN}-${MY_PV}.tar.gz"
SLOT="0"
LICENSE="mpich2"
KEYWORDS="amd64 ~arm64 hppa ppc ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="+cxx doc fortran mpi-threads romio threads"
COMMON_DEPEND="
dev-libs/libaio
net-libs/libnsl:0=
sys-apps/hwloc
romio? ( net-fs/nfs-utils )"
DEPEND="${COMMON_DEPEND}
dev-lang/perl
sys-devel/libtool"
RDEPEND="${COMMON_DEPEND}
!sys-cluster/mpich
!sys-cluster/openmpi"
S="${WORKDIR}"/${PN}-${MY_PV}
pkg_setup() {
FORTRAN_STANDARD="77 90"
fortran-2_pkg_setup
if use mpi-threads && ! use threads; then
ewarn "mpi-threads requires threads, assuming that's what you want"
fi
}
src_prepare() {
# Using MPICH2LIB_LDFLAGS doesn't seem to full work.
sed -i 's| *@WRAPPER_LDFLAGS@ *||' \
src/packaging/pkgconfig/mpich2.pc.in \
src/env/*.in \
|| die
}
src_configure() {
local c="--enable-shared --disable-static"
# The configure statements can be somewhat confusing, as they
# don't all show up in the top level configure, however, they
# are picked up in the children directories.
if use mpi-threads; then
# MPI-THREAD requries threading.
c="${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
export MPICH2LIB_CFLAGS=${CFLAGS}
export MPICH2LIB_CPPFLAGS=${CPPFLAGS}
export MPICH2LIB_CXXFLAGS=${CXXFLAGS}
export MPICH2LIB_FFLAGS=${FFLAGS}
export MPICH2LIB_FCFLAGS=${FCFLAGS}
export MPICH2LIB_LDFLAGS=${LDFLAGS}
unset CFLAGS CPPFLAGS CXXFLAGS FFLAGS FCFLAGS LDFLAGS
c="${c} --sysconfdir=${EPREFIX}/etc/${PN}"
c="${c} --docdir=${EPREFIX}/usr/share/doc/${PF}"
econf ${c} \
--with-pm=hydra \
--disable-mpe \
--disable-fast \
--enable-smpcoll \
--enable-versioning \
$(use_enable romio) \
$(use_enable cxx) \
$(use_enable fortran f77) \
$(use_enable fortran fc)
}
src_test() {
emake -j1 check
}
src_install() {
default
dodir /usr/share/doc/${PF}
dodoc COPYRIGHT README{,.envvar} CHANGES RELEASE_NOTES
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 "${D}"usr/share/doc/${PF}/www*
fi
find "${ED}" -name '*.la' -delete || die
}
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