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100 lines
3.0 KiB
100 lines
3.0 KiB
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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#
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# THIS ECLASS IS DEAD: It has been integrated into portage
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#
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# Author: Will Woods <wwoods@gentoo.org>
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#
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# This eclass is used to automatically update files that typically come with
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# automake to the newest version available on the system. The most common use
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# of this is to update config.guess and config.sub when configure dies from
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# misguessing your canonical system name (CHOST). It can also be used to update
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# other files that come with automake, e.g. depcomp, mkinstalldirs, etc.
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#
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# usage: gnuconfig_update [file1 file2 ...]
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# if called without arguments, config.guess and config.sub will be updated.
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# All files in the source tree ($S) with the given name(s) will be replaced
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# with the newest available versions chosen from the list of locations in
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# gnuconfig_findnewest(), below.
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#
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# gnuconfig_update should generally be called from src_unpack()
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DEPEND="sys-devel/gnuconfig"
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# Wrapper function for gnuconfig_do_update. If no arguments are given, update
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# config.sub and config.guess (old default behavior), otherwise update the
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# named files.
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gnuconfig_update() {
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# hmm some packages (like binutils gcc glibc) still use this ...
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# echo
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# ewarn "QA Notice: Please stop using me, portage updates files for you."
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# echo
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local startdir # declared here ... used in gnuconfig_do_update
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if [[ $1 == /* ]] ; then
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startdir=$1
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shift
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else
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startdir=${S}
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fi
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if [[ $# -gt 0 ]] ; then
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gnuconfig_do_update "$@"
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else
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gnuconfig_do_update config.sub config.guess
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fi
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return $?
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}
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# Copy the newest available version of specified files over any old ones in the
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# source dir. This function shouldn't be called directly - use gnuconfig_update
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#
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# Note that since bash using dynamic scoping, startdir is available here from
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# the gnuconfig_update function
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gnuconfig_do_update() {
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local configsubs_dir target targetlist file
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[[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update"
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configsubs_dir=$(gnuconfig_findnewest)
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einfo "Using GNU config files from ${configsubs_dir}"
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for file in "$@" ; do
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if [[ ! -r ${configsubs_dir}/${file} ]] ; then
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eerror "Can't read ${configsubs_dir}/${file}, skipping.."
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continue
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fi
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targetlist=$(find "${startdir}" -name "${file}")
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if [[ -n ${targetlist} ]] ; then
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for target in ${targetlist} ; do
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[[ -L ${target} ]] && rm -f "${target}"
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einfo " Updating ${target/$startdir\//}"
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cp -f "${configsubs_dir}/${file}" "${target}"
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eend $?
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done
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else
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ewarn " No ${file} found in ${startdir}, skipping ..."
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fi
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done
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return 0
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}
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# this searches the standard locations for the newest config.{sub|guess}, and
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# returns the directory where they can be found.
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gnuconfig_findnewest() {
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local locations=(
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"${EPREFIX}"/usr/share/misc/config.sub
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"${EPREFIX}"/usr/share/gnuconfig/config.sub
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"${EPREFIX}"/usr/share/automake*/config.sub
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"${EPREFIX}"/usr/share/libtool/config.sub
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)
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grep -s '^timestamp' "${locations[@]}" | \
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sort -r -n -t\' -k2 | \
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sed -n '1{s,/config.sub:.*$,,;p;q}'
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}
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