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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.
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 "${status}"
}
# TODO: write src_configure/compile/test/
mpi_src_configure()
{
debug-print-function "${FUNCNAME}" "${@}"
mpi-select_abi_src_configure()
{
debug-print-function "${FUNCNAME}" "${@}"
pushd "${BUILD_DIR}" > /dev/null || die
if declare -f mpi_src_configure > /dev/null; then
mpi_src_configure
else
default_src_configure
fi
popd > /dev/null || die
}
mpi_foreach_implementation mpi-select_abi_src_configure
}
mpi_src_compile()
{
debug-print-function "${FUNCNAME}" "${@}"
mpi-select_abi_src_compile()
{
debug-print-function "${FUNCNAME}" "${@}"
pushd "${BUILD_DIR}" > /dev/null || die
if declare -f mpi_src_configure > /dev/null; then
mpi_src_compile
else
default_src_configure
fi
popd > /dev/null || die
}
mpi_foreach_implementation mpi-select_abi_src_compile
}
mpi_src_test()
{
debug-print-function "${FUNCNAME}" "${@}"
mpi-select_abi_src_test()
{
debug-print-function "${FUNCNAME}" "${@}"
pushd "${BUILD_DIR}" > /dev/null || die
if declare -f mpi_src_configure > /dev/null; then
mpi_src_test
else
default_src_configure
fi
popd > /dev/null || die
}
mpi_foreach_implementation mpi-select_abi_src_test
}
mpi_src_install()
{
debug-print-function "${FUNCNAME}" "${@}"
mpi-select_abi_src_install()
{
debug-print-function "${FUNCNAME}" "${@}"
pushd "${BUILD_DIR}" > /dev/null || die
if declare -f mpi_src_configure > /dev/null; then
mpi_src_install_
else
default_src_configure
fi
popd > /dev/null || die
}
mpi_foreach_implementation mpi-select_abi_src_install
}
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