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# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit multilib flag-o-matic toolchain-funcs fortran
IUSE="pbs fortran threads static"
MY_P=${P/-mpi}
S=${WORKDIR}/${MY_P}
DESCRIPTION="A High Performance Message Passing Library"
SRC_URI="http://www.open-mpi.org/software/ompi/v1.0/downloads/${MY_P}.tar.bz2"
HOMEPAGE="http://www.open-mpi.org"
PROVIDE="virtual/mpi"
DEPEND="virtual/libc
pbs? ( virtual/pbs )"
SLOT="6"
KEYWORDS="~amd64 ~x86"
LICENSE="BSD"
FORTRAN="gfortran g77"
pkg_setup() {
if use threads; then
ewarn
ewarn "WARNING: use of threads is higly experimental."
ewarn "You may stop now and set USE=-threads"
ewarn
sleep 5
fi
use fortran && fortran_pkg_setup
}
src_compile() {
OMPISLOT=${PV}-"gcc-$(gcc-version)"
einfo
einfo "OpenMPI has an overwhelming count of configuration options."
einfo "Don't forget the EXTRA_ECONF environment variable can let you"
einfo "specify configure options."
einfo "${A} will be installed in /usr/$(get_libdir)/${PN}/${OMPISLOT}"
einfo
local myconf="--prefix=/usr/$(get_libdir)/${PN}/${OMPISLOT}"
myconf="${myconf} --datadir=/usr/share/${PN}/${OMPISLOT}"
myconf="${myconf} --program-suffix=-${OMPISLOT}"
myconf="${myconf} --sysconfdir=/etc/${PN}/${OMPISLOT}"
myconf="${myconf} --enable-pretty-print-stacktrace"
if use threads; then
myconf="${myconf} --enable-mpi-threads"
myconf="${myconf} --with-progress-threads"
myconf="${myconf} --with-threads=posix"
fi
if use fortran; then
myconf="${myconf} $(use enable fortran mpi-f77)"
[ "${FORTRANC}" = "g77" ] && \
myconf="${myconf} --disable-mpi-f90" || \
myconf="${myconf} --enable-mpi-f90"
fi
if use static; then
myconf="${myconf} --enable-static"
myconf="${myconf} --disable-shared"
myconf="${myconf} --without-memory-manager"
fi
use pbs && myconf="${myconf} $(use_with pbs tm /usr/$(get_libdir)/pbs)"
append-ldflags -Wl,-z,-noexecstack
econf ${myconf} || die "econf failed"
emake || die "emake failed"
}
src_install () {
make DESTDIR="${D}" install || die "make install failed"
# fix broken links
for c in ${D}/usr/$(get_libdir)/${PN}/${OMPISLOT}/bin/*${OMPISLOT}; do
p=${c/${D}/}
dosym ${p} ${p/-${OMPISLOT}/}
done
dodoc README AUTHORS NEWS VERSION
}
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