--- /dev/null
+#!/bin/bash
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+# Format of /etc/env.d/binutils/:
+# config-TARGET: CURRENT=version for TARGET
+# TARGET-VER: has a TARGET and VER variable
+
+: ${ROOT:=/}
+[[ ${ROOT} != */ ]] && ROOT="${ROOT}/"
+[[ ${ROOT} != /* ]] && ROOT="${PWD%/}/${ROOT}"
+
+cd /
+
+trap ":" INT QUIT TSTP
+
+argv0=${0##*/}
+FUNCTIONS_SH="/lib/gentoo/functions.sh"
+source ${FUNCTIONS_SH} || {
+ echo "${argv0}: Could not source ${FUNCTIONS_SH}!" 1>&2
+ exit 1
+}
+esyslog() { :; }
+die() { eerror "${argv0}: $*"; exit 1; }
+umask 022
+
+usage() {
+cat << USAGE_END
+Usage: ${HILITE}binutils-config${NORMAL} ${GOOD}[options]${NORMAL} ${BRACKET}[binutils profile]${NORMAL}
+
+${HILITE}General Options:${NORMAL}
+ ${GOOD}-c, --get-current-profile${NORMAL} Print current profile
+ ${GOOD}-l, --list-profiles${NORMAL} Print a list of available profiles
+ ${GOOD}-u, --uninstall${NORMAL} Remove all signs of specified target
+ ${GOOD}-d, --debug${NORMAL} Execute with debug output
+
+${HILITE}General Cruft:${NORMAL}
+ ${GOOD}--linker${NORMAL} <linker> Switch to specified linker (if supported)
+
+Profile names are of the form: ${BRACKET}<CTARGET>-<binutils version>${NORMAL}
+For example: ${BRACKET}i686-pc-linux-gnu-2.15.92.0.2${NORMAL}
+
+For more info, please see ${HILITE}binutils-config${NORMAL}(8).
+USAGE_END
+
+ exit ${1:-1}
+}
+
+mv_if_diff() {
+ if cmp -s "$1" "$2" ; then
+ rm -f "$1"
+ else
+ mv -f "$1" "$2"
+ fi
+}
+atomic_ln() {
+ local target=$1 linkdir=$2 linkname=$3 linktmp linkfull
+ linktmp="${linkdir}/.binutils-config.tmp.${linkname}"
+ linkfull="${linkdir}/${linkname}"
+ if [[ -d ${linkfull} ]] ; then
+ # if linking to a dir, we need a little magic to
+ # make it atomic since `mv -T` is not portable
+ rm -rf "${linktmp}"
+ mkdir -p "${linktmp}"
+ ln -sf "${target}" "${linktmp}/${linkname}"
+ mv "${linktmp}/${linkname}" "${linktmp}/../"
+ rmdir "${linktmp}"
+ else
+ # `ln` will expand into unlink();symlink(); which
+ # is not atomic for a small amount of time, but
+ # `mv` is a single rename() call
+ ln -sf "${target}" "${linktmp}"
+ mv "${linktmp}" "${linkfull}"
+ fi
+}
+
+setup_env() {
+ unset TARGET VER LIBPATH
+ source "${ENV_D}/${PROFILE}"
+ if [[ -z ${TARGET} ]] ; then
+ eerror "${PROFILE} is invalid (no \$TARGET defined) :("
+ return 1
+ fi
+ if [[ -z ${VER} ]] ; then
+ eerror "${PROFILE} is invalid (no \$VER defined) :("
+ return 1
+ fi
+
+ #
+ # Generate binary symlinks
+ #
+ BINPATH=""
+ BINPATH_LINKS=""
+ if [[ ${TARGET} != ${HOST} ]] ; then
+ #
+ # Newer paths: /usr/${HOST}/${TARGET}/...
+ # Older paths: /usr/${TARGET}/...
+ #
+ if [[ -d ${ROOT}/usr/${HOST}/${TARGET}/binutils-bin/${VER} ]] ; then
+ BINPATH=/usr/${HOST}/${TARGET}/binutils-bin/${VER}
+ BINPATH_LINKS=/usr/libexec/gcc/${TARGET}
+ fi
+ fi
+ if [[ -z ${BINPATH} ]] ; then
+ BINPATH=/usr/${TARGET}/binutils-bin/${VER}
+ BINPATH_LINKS=/usr/${TARGET}/bin
+ fi
+}
+
+# Lists of headers that various versions have installed.
+HEADERS=(
+ ansidecl.h bfd.h bfdlink.h demangle.h dis-asm.h dyn-string.h
+ fibheap.h hashtab.h libiberty.h objalloc.h plugin-api.h
+ splay-tree.h symcat.h
+)
+
+switch_profile() {
+ local x
+
+ ebegin "Switching to ${PROFILE}"
+
+ setup_env || return 1
+
+ cd "${ROOT}/${BINPATH}" || exit 1
+ mkdir -p "${ROOT}/${BINPATH_LINKS}" "${ROOT}/usr/bin"
+ for x in * ; do
+ atomic_ln "${BINPATH}/${x}" "${ROOT}/${BINPATH_LINKS}" "${x}"
+ atomic_ln "${BINPATH_LINKS}/${x}" "${ROOT}/usr/bin" "${TARGET}-${x}"
+ if [[ ${TARGET} == ${HOST} ]] ; then
+ atomic_ln "${TARGET}-${x}" "${ROOT}/usr/bin" "${x}"
+ fi
+ done
+
+ #
+ # Generate library / ldscripts symlinks
+ #
+ : ${LIBPATH:=/usr/lib/binutils/${TARGET}/${VER}}
+ cd "${ROOT}/${LIBPATH}" || exit 1
+ if [[ ${TARGET} == ${HOST} ]] ; then
+ dstlib=${ROOT}/usr/${HOST}/lib
+ else
+ dstlib=${ROOT}/usr/${HOST}/${TARGET}/lib
+ fi
+ # When upgrading, we need to clean up ldscripts and libs.
+ # Don't symlink back in the libs -- the binutils-lib package handles
+ # these now.
+ # TODO: Stop requiring even the ldscripts symlink.
+ mkdir -p "${dstlib}"
+ rm -rf "${ROOT}/${BINPATH_LINKS}"/ldscripts
+ atomic_ln "${LIBPATH}/ldscripts" "${dstlib}" "ldscripts"
+ find -L "${dstlib}" -xtype l -name 'lib*' -exec rm -f {} +
+
+ #
+ # Clean out old generated include symlinks
+ #
+ INCPATH=${LIBPATH}/include
+ if [[ -d ${ROOT}/${INCPATH} ]] ; then
+ cd "${ROOT}/${INCPATH}" || exit 1
+ if [[ ${HOST} == ${TARGET} ]] ; then
+ # The binutils-lib package handles these files now.
+ for x in libiberty "${HEADERS[@]}" ; do
+ x="${ROOT}/usr/include/${x}"
+ if [[ -L ${x} ]] ; then
+ rm "${x}"
+ fi
+ done
+ else
+ # Clean out old path -- cannot use '-exec {} +' syntax here
+ find . -type f -exec rm -f "${ROOT}/usr/${TARGET}/usr/include/{}" \;
+ rmdir "${ROOT}/usr/${TARGET}/usr/include" >& /dev/null
+ rmdir "${ROOT}/usr/${TARGET}/usr" >& /dev/null
+ rmdir "${ROOT}/usr/${TARGET}" >& /dev/null
+ fi
+ fi
+
+ #
+ # Make sure proper paths get updated
+ #
+ local env_update_flag="--no-ldconfig"
+ if [[ ${TARGET} == ${HOST} ]] ; then
+ # Delete old config now that binutils-libs installs these files.
+ # Note: This skips ldconfig update if env.d had LDPATH, but meh.
+ # Most people have upgraded to ld.so.conf.d, and someone else will
+ # eventually re-run ldconfig for us.
+ x="${ROOT}"/etc/ld.so.conf.d/05binutils.conf
+ if [[ -e ${x} ]]; then
+ rm -f "${x}"
+ env_update_flag=""
+ fi
+
+ DATAPATH=/usr/share/binutils-data/${TARGET}/${VER}
+ local e="${ROOT}"/etc/env.d/05binutils
+ local ee="${e}.tmp"
+ rm -f "${ee}"
+ [[ -d ${ROOT}/${DATAPATH}/man ]] && echo "MANPATH=${DATAPATH}/man" >> "${ee}"
+ [[ -d ${ROOT}/${DATAPATH}/info ]] && echo "INFOPATH=${DATAPATH}/info" >> "${ee}"
+ mv_if_diff "${ee}" "${e}"
+ fi
+
+ local c="${ENV_D}/config-${TARGET}"
+ local cc="${c}.tmp"
+ echo "CURRENT=${VER}" > "${cc}"
+ mv_if_diff "${cc}" "${c}"
+
+ eend 0
+
+ #
+ # Regen env.d if need/can be
+ #
+ if [[ ${ROOT} == "/" ]] && [[ ${TARGET} == ${HOST} ]] ; then
+ env-update ${env_update_flag}
+ echo
+ ewarn "Please remember to run:"
+ echo
+ ewarn " # . /etc/profile"
+ echo
+ fi
+
+ return 0
+}
+
+uninstall_target() {
+ : ${TARGET:=${UARG}}
+
+ if [[ ${TARGET} == ${HOST} ]] ; then
+ die "refusing to uninstall native binutils"
+ fi
+
+ shopt -s nullglob
+ PROFILE=""
+
+ for PROFILE in "${ENV_D}"/${TARGET}-* ; do
+ ewarn "Removing all signs of ${PROFILE##*/}"
+ rm -f "${ENV_D}"/${PROFILE}
+ done
+ if [[ -z ${PROFILE} ]] && [[ ! -e ${ENV_D}/config-${TARGET} ]] ; then
+ die "no profiles exist for '${TARGET}'"
+ fi
+
+ rm -f "${ENV_D}"/config-${TARGET}
+
+ local x
+ for x in \
+ addr2line ar as c++filt elf2flt elfedit flthdr gprof \
+ ld ld.{bfd,gold,real} \
+ nm objcopy objdump ranlib readelf size strings strip
+ do
+ x=(
+ "${ROOT}"/usr/bin/${TARGET}-${x}
+ "${ROOT}"/usr/{${HOST}/,}${TARGET}/bin/${x}
+ "${ROOT}"/usr/libexec/gcc/${TARGET}/${x}
+ )
+ rm -f "${x[@]}"
+ done
+ for x in "${HEADERS[@]}" ; do
+ rm -f "${ROOT}"/usr/{${HOST}/,}${TARGET}/{usr/,}include/${x}
+ done
+ for x in bfd iberty opcodes ; do
+ rm -f "${ROOT}"/usr/${HOST}/${TARGET}/lib/lib${x}{{-*,}.so,.a,.la}
+ done
+ # Delete broken symlinks
+ local destdir="${ROOT}/usr/${HOST}/${TARGET}"
+ rm -f "${destdir}"/lib/ldscripts
+ find -L "${destdir}"/lib -type l -exec rm {} +
+ rmdir \
+ "${destdir}"/{bin,include,lib,usr} \
+ "${destdir}" \
+ "${ROOT}"/var/db/pkg/cross-${TARGET} \
+ "${ROOT}"/usr/{${HOST}/,}${TARGET}/bin \
+ "${ROOT}"/usr/libexec/gcc/${TARGET} \
+ 2>/dev/null
+
+ rm -f "${ENV_D}"/${TARGET}-*
+}
+
+set_current_profile() {
+ if [[ ! -f ${ENV_D}/config-${TARGET} ]] ; then
+ eerror "${argv0}: unable to locate a profile for target: ${TARGET}"
+ return 1
+ fi
+
+ source "${ENV_D}/config-${TARGET}"
+
+ if [[ -z ${CURRENT} ]] ; then
+ eerror "${argv0}: no binutils profile is active!"
+ return 1
+ fi
+
+ echo "${TARGET}-${CURRENT}"
+
+ return 0
+}
+get_current_profile() { echo "${PROFILE}" ; }
+
+list_profiles() {
+ local x i target
+
+ if [[ ${ROOT} != / ]] ; then
+ echo "Using binutils-config info in ${ROOT}"
+ fi
+
+ set -- "${ENV_D}"/*
+ target=
+ i=1
+
+ for x ; do
+ # skip broken links and config files
+ [[ -f ${x} ]] || continue
+ [[ ${x} == */config-* ]] && continue
+
+ source "${x}"
+ if [[ ${target} != ${TARGET} ]] ; then
+ [[ -n ${target} ]] && echo
+ target=${TARGET}
+ fi
+
+ x=${x##*/}
+ if [[ -e ${ENV_D}/config-${TARGET} ]] ; then
+ source "${ENV_D}/config-${TARGET}"
+ if [[ ${VER} == ${CURRENT} ]] ; then
+ [[ ${TARGET} == ${HOST} ]] \
+ && x="${x} ${GOOD}*${NORMAL}" \
+ || x="${x} ${HILITE}*${NORMAL}"
+ fi
+ fi
+
+ # We would align the [...] field like so:
+ #printf ' [%*ss] %s\n' ${##} "${i}" "${x}"
+ # but this breaks simple scripting: `binutils -l | awk '{print $2}'`
+
+ # Or we could align the target col like so:
+ #printf ' [%s]%*s %s\n' "${i}" $(( ${##} - ${#i} )) "" "${x}"
+ # but i'm not sold that it looks better
+
+ # So keep it simple ... only makes a diff anyways for crazy people
+ # like me which have 100+ binutils packages installed ...
+ echo " [$i] ${x}"
+ ((++i))
+ done
+}
+
+switch_linker() {
+ local bpath ld=$1
+
+ case ${ld} in
+ ld.*) ;;
+ *) die "not supported: linker must start with 'ld.'" ;;
+ esac
+
+ setup_env || return 1
+ bpath="${ROOT}/${BINPATH}"
+
+ # does this binutils even support the requested linker ?
+ if [[ ! -e ${bpath}/${ld} ]] ; then
+ die "sorry, but ${PROFILE} doesn't support the ${ld} linker"
+ fi
+
+ # switch it up
+ ebegin "Setting default linker to ${ld} for ${PROFILE}"
+ atomic_ln ${ld} "${bpath}" ld
+ eend $?
+}
+
+set_HOST() {
+ # Set HOST to CHOST if it isn't already set
+ : ${HOST:=${CHOST:-$(portageq envvar CHOST)}}
+}
+
+ENV_D="${ROOT}etc/env.d/binutils"
+
+DEBUG="no"
+NEED_ACTION="yes"
+DOIT="switch_profile"
+PROFILE="current"
+HOST=""
+TARGET=""
+unset UARG
+
+select_action() {
+ if [[ ${NEED_ACTION} != "no" ]] ; then
+ NEED_ACTION="no"
+ DOIT=$1
+ else
+ die "one action at a time!"
+ fi
+}
+
+while [[ $# -gt 0 ]] ; do
+ x=$1
+ shift
+ case ${x} in
+ -c|--get-current-profile) select_action get_current_profile ;;
+ -l|--list|--list-profiles) select_action list_profiles ;;
+ -u|--uninstall) select_action uninstall_target ;;
+ --linker) select_action "switch_linker $1"; shift ;;
+ -d|--debug) DEBUG="yes" ;;
+ -h|--help) usage 0 ;;
+ -V|--version)
+ unset Header
+ cvsver="$Id$"
+ cvsver=${cvsver##*binutils-config-}
+ bver=${cvsver%%,v *}
+ cvsver=${cvsver#* }
+ echo "binutils-config-${bver} (r${cvsver%% *})"
+ exit 0
+ ;;
+ -*)
+ die "invalid switch! Try '--help'."
+ ;;
+ *)
+ if [[ ${UARG+set} == "set" ]] ; then
+ die "only one profile/target at a time please"
+ fi
+ NEED_ACTION="maybe"
+ UARG=${x}
+ ;;
+ esac
+done
+
+[[ ${NEED_ACTION} == "yes" ]] && usage 1
+[[ ${DEBUG} == "yes" ]] && set -x
+
+# All operations need to know the current HOST to figure out
+# what is a native target and what is a cross target
+set_HOST
+
+# All operations need to know the profile the user wants
+case ${DOIT} in
+switch_profile|switch_linker_*)
+ # decode user's profile choice
+ x=${UARG:-$(TARGET=${HOST} set_current_profile)}
+ PROFILE=""
+ if [[ -z $(echo ${x} | tr -d '[:digit:]') ]] ; then
+ # User gave us a # representing the profile
+ i=1
+ for y in "${ENV_D}"/* ; do
+ [[ ${y/config-} != ${y} ]] && continue
+
+ if [[ -f ${y} ]] && [[ ${x} -eq ${i} ]] ; then
+ PROFILE=${y##*/}
+ break
+ fi
+ ((++i))
+ done
+ fi
+
+ if [[ -z ${PROFILE} ]] ; then
+ # User gave us a full HOST-ver
+ x=${x##*/}
+ if [[ -f ${ENV_D}/${x} ]] ; then
+ # Valid HOST-ver yeah!
+ PROFILE=${x}
+ else
+ # Not a valid HOST-ver ...
+ if [[ ! -f ${ENV_D}/config-${x} ]] ; then
+ # Maybe they just gave us a ver ...
+ if [[ -f ${ENV_D}/${HOST}-${x} ]] ; then
+ x=${HOST}-${x}
+ else
+ die "could not locate '$x' in '${ENV_D}/'!"
+ fi
+ PROFILE=${x}
+ else
+ # Maybe they just gave us a target ... pick active profile
+ PROFILE=$(TARGET=${x} set_current_profile)
+ fi
+ fi
+ fi
+ ;;
+*)
+ # lookup current profile as the user gave us a target
+ PROFILE=$(TARGET=${UARG:-${HOST}} set_current_profile) || exit 1
+ ;;
+esac
+
+eval ${DOIT}
+
+# vim:ts=4
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