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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.11 2003/07/12 09:29:29 kumba Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.18 2004/06/23 02:58:32 vapier Exp $
4# 4#
5# Author: Will Woods <wwoods@gentoo.org> 5# Author: Will Woods <wwoods@gentoo.org>
6# 6#
7# This eclass is used to automatically update files that typically come with 7# This eclass is used to automatically update files that typically come with
8# automake to the newest version available on the system. The most common use 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 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 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. 11# other files that come with automake, e.g. depcomp, mkinstalldirs, etc.
12# 12#
13# usage: gnuconfig_update [file1 file2 ...] 13# usage: gnuconfig_update [file1 file2 ...]
14# if called without arguments, config.guess and config.sub will be updated. 14# if called without arguments, config.guess and config.sub will be updated.
15# All files in the source tree ($S) with the given name(s) will be replaced 15# All files in the source tree ($S) with the given name(s) will be replaced
16# with the newest available versions chosen from the list of locations in 16# with the newest available versions chosen from the list of locations in
17# gnuconfig_findnewest(), below. 17# gnuconfig_findnewest(), below.
18 18
19ECLASS=gnuconfig 19ECLASS=gnuconfig
20INHERITED="$INHERITED $ECLASS" 20INHERITED="$INHERITED $ECLASS"
21 21
22DEPEND="$DEPEND sys-devel/libtool 22DEPEND="sys-devel/gnuconfig"
23 sys-devel/gnuconfig"
24 23
25DESCRIPTION="Based on the ${ECLASS} eclass" 24DESCRIPTION="Based on the ${ECLASS} eclass"
26 25
27# Wrapper function for gnuconfig_do_update. If no arguments are given, update 26# Wrapper function for gnuconfig_do_update. If no arguments are given, update
28# config.sub and config.guess (old default behavior), otherwise update the 27# config.sub and config.guess (old default behavior), otherwise update the
29# named files. 28# named files.
30gnuconfig_update() { 29gnuconfig_update() {
31 if [ $# -gt 0 ] ; then 30 if [ $# -gt 0 ] ; then
32 gnuconfig_do_update $* 31 gnuconfig_do_update "$@"
33 else 32 else
34 gnuconfig_do_update config.sub config.guess 33 gnuconfig_do_update config.sub config.guess
35 fi 34 fi
36} 35}
37 36
38# Copy the newest available version of specified files over any old ones in the 37# Copy the newest available version of specified files over any old ones in the
39# source dir. This function shouldn't be called directly - use gnuconfig_update 38# source dir. This function shouldn't be called directly - use gnuconfig_update
40gnuconfig_do_update() { 39gnuconfig_do_update() {
40 [ $# -eq 0 ] && die "do not call gnuconfig_do_update(); use gnuconfig_update()"
41
41 local configsubs_dir="$(gnuconfig_findnewest)" 42 local configsubs_dir="$(gnuconfig_findnewest)"
42 local target targetlist file 43 local target targetlist file
43 einfo "Using GNU config files from ${configsubs_dir}" 44 einfo "Using GNU config files from ${configsubs_dir}"
44 for file in $* ; do 45 for file in "$@" ; do
45 if [ ! -r ${configsubs_dir}/${file} ] ; then 46 if [ ! -r ${configsubs_dir}/${file} ] ; then
46 eerror "Can't read ${configsubs_dir}/${file}, skipping.." 47 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
47 continue 48 continue
48 fi 49 fi
49 targetlist=`find ${S} -name "${file}"` 50 targetlist=`find ${S} -name "${file}"`
50 if [ -n "$targetlist" ] ; then 51 if [ -n "$targetlist" ] ; then
51 for target in $targetlist; do 52 for target in $targetlist; do
52 einfo "Updating ${target/$S\//}" 53 einfo " Updating ${target/$S\//}"
53 cp -f ${configsubs_dir}/${file} ${target} 54 cp -f ${configsubs_dir}/${file} ${target}
54 eend $! 55 eend $?
55 done 56 done
56 else 57 else
57 ewarn "No ${file} found in ${S}, skipping.." 58 ewarn " No ${file} found in ${S}, skipping.."
58 fi 59 fi
59 done 60 done
60} 61}
61 62
62# this searches the standard locations for the newest config.{sub|guess}, and 63# this searches the standard locations for the newest config.{sub|guess}, and
63# returns the directory where they can be found. 64# returns the directory where they can be found.
64gnuconfig_findnewest() { 65gnuconfig_findnewest() {
65 local locations="/usr/share/gnuconfig/config.sub \ 66 local locations="/usr/share/gnuconfig/config.sub \
66 /usr/share/automake-1.6/config.sub \ 67 /usr/share/automake-1.6/config.sub \
67 /usr/share/automake-1.5/config.sub \ 68 /usr/share/automake-1.5/config.sub \
68 /usr/share/automake-1.4/config.sub \ 69 /usr/share/automake-1.4/config.sub"
69 /usr/share/libtool/config.sub" 70 local lt_location="/usr/share/libtool/config.sub"
71
72 [ -f "${lt_location}" ] && locations="${locations} ${lt_location}"
73
70 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,' 74 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
71} 75}

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