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# -*-eselect-*- vim: ft=eselect
# Copyright 2005-2013 Gentoo Foundation
# Distributed under the terms of the GNU GPL version 2 or later
inherit config package-manager
DESCRIPTION="Manage installed versions of sys-devel/binutils"
MAINTAINER="eselect@gentoo.org"
BINUTILS_ENVFILE=${EROOT}/etc/env.d/05binutils
# find_targets [patterns]
# find all possible targets [that match one of ${@}]
find_targets() {
local item file
local -a targets
[[ $# -eq 0 ]] && set -- "-*"
for item; do
item=${item%%-[1-9]*}
[[ ${item:0:1} == "-" ]] || item=-${item}
for file in "${EROOT}"/etc/env.d/binutils/config${item}; do
[[ -f ${file} ]] || continue
targets=("${targets[@]}" "${file##*/config-}")
done
done
echo "${targets[@]}"
}
# find_versions
# find all installed version of installed binutils
find_versions() {
local target file last_versions_count
local -a versions
for target in $(find_targets) ; do
last_version_count=${#versions[@]}
for file in "${EROOT}"/etc/env.d/binutils/${target}-* ; do
[[ -f ${file} ]] || continue
versions=(${versions[@]} "${file##*/}")
done
[[ ${last_version_count} == ${#versions[@]} ]] \
&& die -q "Please remove stray file: ${EROOT}/etc/env.d/binutils/config-${target}"
done
echo ${versions[@]}
}
# is_active $target $version
# returns true if $version is currently used
is_active() {
local current
[[ ${#@} -eq 2 ]] || die "Need exactly 2 arguments!"
current=$(load_config "${EROOT}/etc/env.d/binutils/config-${1}" CURRENT)
[[ ${current} == ${2} ]]
}
# is_valid $profile
is_valid() {
[[ ${#@} -eq 1 && -e "${EROOT}/etc/env.d/binutils/${profile}" ]] \
|| die "Need exactly 1 argument!"
}
# swtich_profile $profile
# switches binutils to $profile
switch_profile() {
# set us up
[[ ${#@} -eq 1 ]] || die "Need exactly 1 argument!"
local profile=${1##*/}
local profile_file=${EROOT}/etc/env.d/binutils/${profile}
local target targets version binutilspath libpath chost
version=$(load_config ${profile_file} VER)
target=$(load_config ${profile_file} TARGET)
is_active ${target} ${version} \
&& die -q "Profile \"${profile}\" is already active!"
chost=$(envvar sys-devel/binutils CHOST)
libpath=$(load_config ${profile_file} LIBPATH)
libpath=${libpath:-${EPREFIX}/usr/lib/binutils/${TARGET}/${VER}}
faketargets=( $(load_config ${profile_file} FAKE_TARGETS) )
# Generate binary symlinks
echo "Switching to ${profile}..."
[[ -d "${EROOT}/usr/${target}/binutils-bin/${version}" ]] \
|| die -q "Can't cd ${EROOT}/usr/${target}/binutils-bin/${version}!"
mkdir -p "${EROOT}/usr/${target}/bin" \
|| die -q "Can't create ${EROOT}/usr/${target}/bin!"
binutilspath=${EPREFIX}/usr/${target}/binutils-bin/${version}
for app in "${ROOT}${binutilspath}"/* ; do
app=${app##*/}
ln -sf \
"${binutilspath}/${app}" \
"${EROOT}/usr/${target}/bin/${app}" \
|| die -q "Linking ${ROOT}/${binutilspath}/${app} failed!"
ln -sf \
../${target}/bin/${app} \
"${EROOT}/usr/bin/${target}-${app}" \
|| die -q "Linking ${EROOT}/usr/bin/${target}-${app} failed!"
for fake in ${faketargets} ; do
[[ -f ${EROOT}/etc/env.d/binutils/config-${fake} ]] \
&& continue
ln -sf ../${target}/bin/${app} "${EROOT}/usr/bin/${fake}-${app}"
done
[[ ${chost} == ${target} ]] || continue
ln -sf \
${target}-${app} \
"${EROOT}/usr/bin/${app}" \
|| die -q "Linking ${EROOT}/usr/bin/${app} failed!"
done
# Generate library and ldscripts symlinks
mkdir -p "${EROOT}/usr/${target}/lib"
rm -r "${EROOT}/usr/${target}/lib/ldscripts"
ln -sf "${libpath}/ldscripts" "${EROOT}/usr/${target}/lib/ldscripts"
[[ ${target} == ${chost} ]] \
&& dest="${EROOT}/usr/${chost}/lib" \
|| dest="${EROOT}/usr/${chost}/${target}/lib"
mkdir -p "${dest}"
for lib in "${ROOT}${libpath}"/lib* ; do
ln -sf "${libpath}/${lib##*/}" "${dest}/${lib##*/}"
done
# Generate include symlink
[[ ${target} == ${chost} ]] \
&& dest="${EROOT}/usr/include" \
|| dest="${EROOT}/usr/${target}/include"
mkdir -p "${dest}"
for inc in "${ROOT}${libpath}"/include/* ; do
ln -sf "${inc##${ROOT}}" "${dest}/${inc##*/}"
done
# Update the environment
if [[ ${target} == ${chost} ]] ; then
datapath=${EPREFIX}/usr/share/binutils-data/${target}/${version}
[[ -d ${datapath}/man ]] \
&& store_config ${BINUTILS_ENVFILE} MANPATH "${datapath}/man"
[[ -d ${datapath}/info ]] \
&& store_config ${BINUTILS_ENVFILE} INFOPATH "${datapath}/info"
store_config ${BINUTILS_ENVFILE} LDPATH "${EPREFIX}/usr/${target}/lib"
fi
store_config \
"${EROOT}/etc/env.d/binutils/config-${target}" \
CURRENT ${version}
if [[ ${ROOT:-/} == / ]] && [[ ${target} == ${chost} ]] ; then
do_action env update
echo "Please remember to run:"
echo
echo " # source /etc/profile"
echo
echo "in order to let changes take effect!"
fi
}
### list action
describe_list() {
echo "List all installed version of binutils"
}
do_list() {
local targets i=0 version files last_processed_count
local -a processed
targets=( $(find_targets ${@}) )
[[ -z ${targets[@]} ]] \
&& die -q "Pattern ${@} does not match any installed version of binutils!"
for target in $(find_targets) ; do
[[ ${targets[@]/${target}/} == ${targets[@]} ]] \
|| write_list_start "Installed binutils for target $(highlight ${target})"
last_processed_count=${#processed[@]}
for file in "${EROOT}"/etc/env.d/binutils/${@:-*} ; do
[[ -f ${file} ]] || continue
version=${file##*/${target}-}
[[ ${version} == ${file} ]] && continue
[[ ${processed[@]/${file}/} == ${processed[@]} ]] || continue
processed=(${processed[@]} "${file}")
i=$(( i + 1 ))
[[ ${targets[@]/${target}/} == ${targets[@]} ]] && continue
is_active ${target} ${version} \
&& version=$(highlight_marker "${version}")
write_numbered_list_entry $i "${version}"
done
[[ ${last_processed_count} == ${#processed[@]} ]] \
&& die -q "Please remove stray file: ${EROOT}/etc/env.d/binutils/config-${target}"
done
}
### set action
describe_set() {
echo "Activate one of the installed binutils"
}
describe_set_parameters() {
echo "<target>"
}
describe_set_options() {
echo "target : Target name or number (from 'list' action)"
}
do_set() {
[[ ${#@} == 1 ]] \
|| die -q "Please specify exactly one version to activate!"
local versions file fail=0
versions=( $(find_versions) )
for item in ${@} ; do
if is_number ${item} ; then
if [[ ${item} -ge 1 ]] && [[ ${item} -le $(( ${#versions[@]} + 2)) ]] ; then
switch_profile ${versions[$(( ${item} -1 ))]}
else
fail=1
echo "Item not in range 1-$((${#versions[@]} + 1)): ${item}"
continue
fi
else
file=( "${EROOT}"/etc/env.d/binutils/${item} )
if [[ ${#file[@]} -gt 1 ]] ; then
fail=1
echo "Ambigious pattern: ${item}"
continue
fi
if ! [[ -f ${file} ]] ; then
fail=1
echo "Pattern doesn't match anything: ${item}"
continue
fi
switch_profile ${file##*/}
fi
done
[[ ${fail} == 1 ]] && die -q "One or more actions have failed!"
}
### show action
describe_show() {
echo "Print the currently active binutils version"
}
do_show() {
local chost=${1:-$(envvar sys-devel/binutils CHOST)} version config
[[ -n ${chost} ]] \
|| die -q "Portage returned empty CHOST!"
config=${EROOT}/etc/env.d/binutils/config-${chost}
[[ ${#config[@]} -eq 1 ]] \
|| return
[[ -e ${config} ]] \
|| return
version=$(load_config \
"${EROOT}/etc/env.d/binutils/config-${chost}" CURRENT)
[[ -e ${EROOT}/etc/env.d/binutils/${chost}-${version} ]] \
|| die "File \"${EROOT}/etc/env.d/binutils/${chost}-${version}\" is missing!"
echo "${chost}-${version}"
}
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