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Diffstat (limited to 'app-eselect/eselect-blas/files/blas.eselect-0.3')
-rw-r--r--app-eselect/eselect-blas/files/blas.eselect-0.3168
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
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+++ b/app-eselect/eselect-blas/files/blas.eselect-0.3
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+# -*-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"
+}