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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: mpi-select.eclass
# @MAINTAINER:
# Michael Gilroy <michael.gilroy24@gmail.com>
# @BLURB: Allow mpi software to select mpi implementation of choice.
inherit multilib
EXPORT_FUNCTIONS src_configure src_compile src_test src_install
case ${EAPI:-0} in
6) ;;
5) ;;
*) die "mpi-select.eclass does not support EAPI ${EAPI}"
esac
# @ECLASS-VARIABLE: IMPLEMENTATION_LIST
# @INTERNAL
# @DESCRIPTION:
# List of used MPI implementation
IMPLEMENTATION_LIST="mpich mpich2 openmpi openib-mvapich2"
# @ECLASS-VARIABLE: INSTALLED_IMPLEMENTATIONS
# @INTERNAL
# @DESCRIPTION:
# List of used MPI implementation
INSTALLED_IMPLEMENTATIONS=get_all_implementations
# @ECLASS-VARIABLE: MPI_DIR
# @INTERNAL
# @DESCRIPTION:
# Location in which mpi software should be installed
MPI_DIR="/usr/$(get_libdir)/mpi"
# @ECLASS-FUNCTION: mpi-select_detect_installs
# @DESCRIPTION:
# See what MPI software is installed on the system
get_all_implemenetations()
{
for dir in "${MPI_DIR}"/*
do
INSTALLED_IMPLEMENTATIONS="${INSTALLED_IMPLEMENTATIONS} ${dir}"
done
echo "${INSTALLED_IMPLEMENTATIONS}"
}
# @ECLASS-FUNCTION: mpi_foreach_implementation
# @DESCRIPTION:
# Iterates through each given implementation and repeats commands for each implementation
mpi_foreach_implementation()
{
debug-print-function ${FUNCNAME} "${@}"
# [[ -z "${INSTALLED_IMPLEMENTATIONS}" ]] \
# die "No mpi implementations detected"
local status=0
for implementation in "${@}"
do
# iterate through implementations, repeat same commands for each variant
if [[ "${IMPLEMENTATION_LIST}" == *"${implementation}"* ]]; then
local BUILD_DIR="${WORKDIR}/build"
einfo ${BUILD_DIR}
# modeling after multibuild for testing & learning
_mpi_run()
{
local i=1
while [[ ${!1} == _* ]];do
i+=1
done
[[ ${i} -le ${#} ]]
einfo ${@}
echo ${@}
}
_mpi_run "${@}"
else
die "invalid implementation!"
fi
done
echo "${status}"
}
mpi_wrapper()
{
export BUILD_DIR="${PF}-${ABI}"
impl="$(grep -R MPI_TARGETS* /etc/portage/make.conf* | cut -d '\"' -f2)"
echo ${impl}
}
mpi-select_get_implementation()
{
echo "${PN}"
}
mpi-select_bindir()
{
echo "${D}/usr/bin/${PF}/"
}
mpi-select_libdir()
{
echo "${D}/usr/$(get_libdir)/${PF}/"
}
mpi-select_etcdir()
{
echo "${D}/etc/${PF}/"
}
mpi_src_configure()
{
# hmmm how to handle econf flags....
default
}
mpi_src_compile()
{
local imp=$(mpi-select_get_implementation)
if [[ "${imp}" == "mpich" ]]; then
einfo "hit mpich"
elif [[ "${imp}" == "openmpi" ]]; then
einfo "hit openmpi"
fi
}
mpi_src_test()
{
default
}
mpi_src_install()
{
emake DESTDIR="${D}" install
dodir $(mpi-select_bindir)
mv "${D}"/usr/bin/* $(mpi-select_bindir)
dodir $(mpi-select_libdir)
mv "${D}"/usr/$(get_libdir)/* $(mpi-select_libdir)
dodir $(mpi-select_etcdir)
local i
for i in "${D}/etc/"*; do
[ "${i}" == $(mpi-select_etcdir) ] && continue
mv "${i}" $(mpi-select_etcdir)
done
find . -type d -empty -delete || die "could not delete empty directories"
}
|
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