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# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=5
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FORTRAN_NEEDED=fortran
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inherit fortran-2
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MY_PV=${PV/_/}
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DESCRIPTION="A high performance and portable MPI implementation"
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HOMEPAGE="http://www.mcs.anl.gov/research/projects/mpich2/index.php"
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SRC_URI="http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/${MY_PV}/${PN}-${MY_PV}.tar.gz"
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SLOT="0"
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LICENSE="mpich2"
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KEYWORDS="amd64 ~arm64 hppa ppc ppc64 x86 ~amd64-linux ~x86-linux"
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IUSE="+cxx doc fortran mpi-threads romio threads"
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COMMON_DEPEND="
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dev-libs/libaio
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net-libs/libnsl:0=
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sys-apps/hwloc
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romio? ( net-fs/nfs-utils )"
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DEPEND="${COMMON_DEPEND}
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dev-lang/perl
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sys-devel/libtool"
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RDEPEND="${COMMON_DEPEND}
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!sys-cluster/mpich
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!sys-cluster/openmpi"
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S="${WORKDIR}"/${PN}-${MY_PV}
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pkg_setup() {
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FORTRAN_STANDARD="77 90"
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fortran-2_pkg_setup
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if use mpi-threads && ! use threads; then
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ewarn "mpi-threads requires threads, assuming that's what you want"
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fi
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}
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src_prepare() {
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# Using MPICH2LIB_LDFLAGS doesn't seem to full work.
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sed -i 's| *@WRAPPER_LDFLAGS@ *||' \
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src/packaging/pkgconfig/mpich2.pc.in \
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src/env/*.in \
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|| die
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}
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src_configure() {
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local c="--enable-shared"
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# The configure statements can be somewhat confusing, as they
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# don't all show up in the top level configure, however, they
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# are picked up in the children directories.
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if use mpi-threads; then
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# MPI-THREAD requries threading.
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c="${c} --with-thread-package=pthreads"
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c="${c} --enable-threads=runtime"
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else
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if use threads ; then
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c="${c} --with-thread-package=pthreads"
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else
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c="${c} --with-thread-package=none"
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fi
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c="${c} --enable-threads=single"
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fi
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export MPICH2LIB_CFLAGS=${CFLAGS}
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export MPICH2LIB_CPPFLAGS=${CPPFLAGS}
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export MPICH2LIB_CXXFLAGS=${CXXFLAGS}
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export MPICH2LIB_FFLAGS=${FFLAGS}
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export MPICH2LIB_FCFLAGS=${FCFLAGS}
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export MPICH2LIB_LDFLAGS=${LDFLAGS}
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unset CFLAGS CPPFLAGS CXXFLAGS FFLAGS FCFLAGS LDFLAGS
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c="${c} --sysconfdir=${EPREFIX}/etc/${PN}"
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c="${c} --docdir=${EPREFIX}/usr/share/doc/${PF}"
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econf ${c} \
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--with-pm=hydra \
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--disable-mpe \
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--disable-fast \
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--enable-smpcoll \
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--enable-versioning \
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$(use_enable romio) \
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$(use_enable cxx) \
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$(use_enable fortran f77) \
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$(use_enable fortran fc)
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}
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src_test() {
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emake -j1 check
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}
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src_install() {
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default
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dodir /usr/share/doc/${PF}
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dodoc COPYRIGHT README{,.envvar} CHANGES RELEASE_NOTES
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newdoc src/pm/hydra/README README.hydra
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if use romio; then
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newdoc src/mpi/romio/README README.romio
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fi
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if ! use doc; then
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rm -rf "${D}"usr/share/doc/${PF}/www*
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fi
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}
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