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1#!/bin/bash 1# Copyright 1999-2004 Gentoo Foundation
2# Copyright 1999-2002 Gentoo Technologies, Inc.
3# Distributed under the terms of the GNU General Public License, v2 or later 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.1.1.1 2005/11/30 09:59:33 chriswhite Exp $
4#
4# Author: Will Woods <wwoods@gentoo.org> 5# Author: Will Woods <wwoods@gentoo.org>
5# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.1 2002/10/25 17:16:07 wwoods Exp $ 6#
6# This eclass updates config.guess and config.sub. This is useful if 7# This eclass is used to automatically update files that typically come with
7# configure dies from misguessing your canonical system name (CHOST). 8# automake to the newest version available on the system. The most common use
9# of this is to update config.guess and config.sub when configure dies from
10# misguessing your canonical system name (CHOST). It can also be used to update
11# other files that come with automake, e.g. depcomp, mkinstalldirs, etc.
12#
13# usage: gnuconfig_update [file1 file2 ...]
14# if called without arguments, config.guess and config.sub will be updated.
15# All files in the source tree ($S) with the given name(s) will be replaced
16# with the newest available versions chosen from the list of locations in
17# gnuconfig_findnewest(), below.
18#
19# gnuconfig_update should generally be called from src_unpack()
8 20
9ECLASS=gnuconfig
10INHERITED="$INHERITED $ECLASS"
11 21
12newdepend sys-devel/automake 22DEPEND="sys-devel/gnuconfig"
13 23
14DESCRIPTION="Based on the ${ECLASS} eclass" 24DESCRIPTION="Based on the ${ECLASS} eclass"
15 25
16# Copy the newest available config.{guess|sub} on the system over any old 26# Wrapper function for gnuconfig_do_update. If no arguments are given, update
17# ones in the source dir 27# config.sub and config.guess (old default behavior), otherwise update the
28# named files.
18gnuconfig_update() { 29gnuconfig_update() {
30 local startdir # declared here ... used in gnuconfig_do_update
31
32 if [[ $1 == /* ]] ; then
33 startdir=$1
34 shift
35 else
36 startdir=${S}
37 fi
38
39 if [[ $# -gt 0 ]] ; then
40 gnuconfig_do_update "$@"
41 else
42 gnuconfig_do_update config.sub config.guess
43 fi
44
45 return $?
46}
47
48# Copy the newest available version of specified files over any old ones in the
49# source dir. This function shouldn't be called directly - use gnuconfig_update
50#
51# Note that since bash using dynamic scoping, startdir is available here from
52# the gnuconfig_update function
53gnuconfig_do_update() {
54 local configsubs_dir target targetlist file
55
56 [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update"
57
19 local configsubs_dir="$(gnuconfig_findnewest)" 58 configsubs_dir=$(gnuconfig_findnewest)
20 local sub
21 local f
22 einfo "Using GNU config files from ${configsubs_dir}" 59 einfo "Using GNU config files from ${configsubs_dir}"
23 for sub in config.sub config.guess ; do 60 for file in "$@" ; do
24 for f in `find ${S} -name "${sub}"`; do 61 if [[ ! -r ${configsubs_dir}/${file} ]] ; then
25 einfo "Updating ${f/$S\//}" 62 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
63 continue
64 fi
65 targetlist=$(find "${startdir}" -name "${file}")
66 if [[ -n ${targetlist} ]] ; then
67 for target in ${targetlist} ; do
68 [[ -L ${target} ]] && rm -f "${target}"
69 einfo " Updating ${target/$startdir\//}"
26 cp -f ${configsubs_dir}/${sub} ${f} 70 cp -f "${configsubs_dir}/${file}" "${target}"
71 eend $?
27 done 72 done
73 else
74 ewarn " No ${file} found in ${startdir}, skipping ..."
75 fi
28 done 76 done
77
78 return 0
29} 79}
30 80
31# this searches the standard locations for the newest config.{sub|guess}, and 81# this searches the standard locations for the newest config.{sub|guess}, and
32# returns the directory where they can be found. 82# returns the directory where they can be found.
33gnuconfig_findnewest() { 83gnuconfig_findnewest() {
84 local locations="
85 /usr/share/gnuconfig/config.sub
86 /usr/share/automake-1.9/config.sub
87 /usr/share/automake-1.8/config.sub
88 /usr/share/automake-1.7/config.sub
34 local locations="/usr/share/automake-1.6/config.sub \ 89 /usr/share/automake-1.6/config.sub
35 /usr/share/automake-1.5/config.sub \ 90 /usr/share/automake-1.5/config.sub
36 /usr/share/automake-1.4/config.sub \ 91 /usr/share/automake-1.4/config.sub
37 /usr/share/libtool/config.sub" 92 /usr/share/libtool/config.sub
93 "
38 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -1 | sed 's,/config.sub:.*$,,' 94 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
39} 95}

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