diff options
Diffstat (limited to 'app-eselect/eselect-blas/files/blas.eselect-0.3')
| -rw-r--r-- | app-eselect/eselect-blas/files/blas.eselect-0.3 | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/app-eselect/eselect-blas/files/blas.eselect-0.3 b/app-eselect/eselect-blas/files/blas.eselect-0.3 new file mode 100644 index 000000000000..8941f720054f --- /dev/null +++ b/app-eselect/eselect-blas/files/blas.eselect-0.3 @@ -0,0 +1,168 @@ +# -*-eselect-*- vim: ft=eselect +# Copyright 2019-2023 Gentoo Authors +# Distributed under the terms of the GNU GPL version 2 or later + +inherit config tests multilib skel + +MODULE="BLAS/CBLAS" +IFACE="blas" +DESCRIPTION="Manage installed alternatives of $MODULE shared objects" +MAINTAINER="lumin@debian.org" +VERSION="0.3" + +### helper utility to find all available BLAS/CBLAS implementations +find_targets_in() { + [[ $# -eq 1 ]] || die -q "in which libdir?" + + local cand + for cand in "${EROOT}/etc/env.d/blas/$1"/*; do + [[ "config" = $(basename ${cand}) ]] && continue + [[ -r ${cand} ]] && basename ${cand} + done +} + +### helper utility to validate a BLAS/CBLAS library directory +validate_blaslibdir() { + [[ -d $1 ]] || return 2 # dir doesn't exist + [[ -r "${1}/libblas.so.3" ]] && [[ -r "${1}/libblas.so" ]] \ + && [[ -r "${1}/libcblas.so.3" ]] && [[ -r "${1}/libcblas.so" ]] \ + || return 1 +} + +### show action +do_show() { + # do_show -- show both lib64 and lib32 selection + # do_show libxx -- show libxx selection + local libdir cur libdirs=( $(list_libdirs) ) + + # if manually specified libdirs + if [[ ! $# -eq 0 ]]; then + for libdir in $@; do + has $libdir ${libdirs[@]} || die -q "invalid libdir '$libdir'!" + done + libdirs=( $@ ) + fi + + for libdir in ${libdirs[@]}; do + [[ ! -d ${EROOT}/usr/$libdir ]] && continue + [[ ! -r ${EROOT}/etc/env.d/blas/${libdir}/config ]] && continue + cur=$(load_config "${EROOT}"/etc/env.d/blas/${libdir}/config CURRENT) + echo ${libdir}: $cur + done +} + +### list action +do_list() { + local i cur targets + local libdir libdirs=( $(list_libdirs) ) + + # if manually specified libdirs + if [[ ! $# -eq 0 ]]; then + for libdir in $@; do + has $libdir ${libdirs[@]} || die -q "invalid libdir '$libdir'!" + done + libdirs=( $@ ) + fi + + for libdir in ${libdirs[@]}; do + [[ ! -d ${EROOT}/usr/$libdir ]] || [[ -L ${EROOT}/usr/$libdir ]] && continue + targets=( $(find_targets_in $libdir) ) + cur=$(load_config "${EROOT}"/etc/env.d/blas/${libdir}/config CURRENT) + + write_list_start "Available BLAS/CBLAS ($libdir) candidates:" + for (( i = 0; i < ${#targets[@]}; i++ )); do + [[ ${targets[i]} = $cur ]] \ + && targets[i]=$(highlight_marker "${targets[i]}") + done + write_numbered_list -m "(none found)" "${targets[@]}" + done +} + +### validate action +describe_validate() { + echo "validate candidates and remove invalid ones" +} + +do_validate() { + local i ldpath targets target candidate + local libdir libdirs=( $(list_libdirs) ) + for libdir in ${libdirs[@]}; do + [[ ! -d ${EROOT}/usr/$libdir ]] || [[ -L ${EROOT}/usr/$libdir ]] && continue + targets=( $(find_targets_in $libdir) ) + for target in ${targets[@]}; do + candidate=${EROOT}/etc/env.d/blas/${libdir}/${target} + ldpath=$(load_config "$candidate" LDPATH) + if ! validate_blaslibdir "${ROOT}/$ldpath"; then + echo "Removing invalid BLAS/CBLAS candidate ($candidate) ..." + rm -v "$candidate" + fi + done + done +} + +### set action + +describe_set() { + echo "Activate one of the installed $MODULE implementations" +} + +describe_set_parameters() { + echo "[<libdir>] <implementation>" +} + +describe_set_options() { + echo "libdir: lib64 or lib32. Will use the native one when omitted." + echo "implementation : implementation name or number (from 'list' action)" +} + +do_set() { + local libdirs=( $(list_libdirs) ) + local targets libdir ldconf libpath impl + + # check argument existence + [[ $# -eq 1 ]] || [[ $# -eq 2 ]] || \ + die -q "Please specify [<libdir>] <impl> to activate!" + # read argumenets + if [[ $# -eq 2 ]]; then libdir="$1"; else libdir="$(get_libdir)"; fi + if [[ $# -eq 2 ]]; then impl="$2"; else impl="$1"; fi + # validate arguments + has "$libdir" "${libdirs[@]}" || die -q "Invalid libdir ($libdir) !" + targets=( $(find_targets_in $libdir) ) + if ! has "$impl" "${targets[@]}"; then + if [[ ${impl} -gt 0 ]] && [[ ${impl} -le ${#targets[@]} ]]; then + impl=${targets[(${impl} - 1)]} + else + die -q "Invalid impl ($impl) !" + fi + fi + # store the configuration to env.d + store_config "${EROOT}"/etc/env.d/blas/${libdir}/config CURRENT "${impl}" + # generate ld.so.conf file + ldconf="${EROOT}/etc/ld.so.conf.d/81-blas-${libdir}.conf" + libpath=$(load_config ${EROOT}/etc/env.d/blas/${libdir}/${impl} LDPATH) + truncate -s0 "$ldconf" + echo "# Auto-generated by eselect::blas. DON'T EDIT." >> "$ldconf" + echo "$libpath" >> "$ldconf" + + # refresh cache. env-update will call ldconfig (see + # portage::env_update.py) so we don't need to call it explicitly. + env-update +} + +### add action +describe_add_parameters() { + echo "<libdir> <dir> <impl>" +} + +describe_add_options() { + echo "libdir : library directory where $MODULE implementation is installed (lib, lib64, etc.)" + echo "dir : directory containing lib{,c}blas.so{.3}" + echo "impl : name of the $MODULE implementation" +} + +do_add() { + [[ $# -eq 3 ]] \ + || die -q "Please specify <libdir> <dir> <impl> to activate!" + validate_blaslibdir "${ROOT}/$2" || die -q "invalid blas libdir!" + store_config "${EROOT}/etc/env.d/blas/$1/$3" LDPATH "$2" +} |