/[gentoo-x86]/eclass/gnuconfig.eclass
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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 1.6 2003/02/28 09:15:04 vapier 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 updates config.guess and config.sub. This is useful if 7# This eclass is used to automatically update files that typically come with
8# 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 ($S) with the given name(s) will be replaced
16# with the newest available versions chosen from the list of locations in
17# gnuconfig_findnewest(), below.
9 18
10ECLASS=gnuconfig 19ECLASS=gnuconfig
11INHERITED="$INHERITED $ECLASS" 20INHERITED="$INHERITED $ECLASS"
12 21
13newdepend sys-devel/automake 22DEPEND="sys-devel/gnuconfig"
14 23
15DESCRIPTION="Based on the ${ECLASS} eclass" 24DESCRIPTION="Based on the ${ECLASS} eclass"
16 25
17# 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
18# ones in the source dir 27# config.sub and config.guess (old default behavior), otherwise update the
28# named files.
19gnuconfig_update() { 29gnuconfig_update() {
30 if [ $# -gt 0 ] ; then
31 gnuconfig_do_update "$@"
32 else
33 gnuconfig_do_update config.sub config.guess
34 fi
35}
36
37# Copy the newest available version of specified files over any old ones in the
38# source dir. This function shouldn't be called directly - use gnuconfig_update
39gnuconfig_do_update() {
40 [ $# -eq 0 ] && die "do not call gnuconfig_do_update(); use gnuconfig_update()"
41
20 local configsubs_dir="$(gnuconfig_findnewest)" 42 local configsubs_dir="$(gnuconfig_findnewest)"
21 local sub 43 local target targetlist file
22 local f
23 einfo "Using GNU config files from ${configsubs_dir}" 44 einfo "Using GNU config files from ${configsubs_dir}"
24 for sub in config.sub config.guess ; do 45 for file in "$@" ; do
25 for f in `find ${S} -name "${sub}"`; do 46 if [ ! -r ${configsubs_dir}/${file} ] ; then
47 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
48 continue
49 fi
50 targetlist=`find ${S} -name "${file}"`
51 if [ -n "$targetlist" ] ; then
52 for target in $targetlist; do
26 einfo "Updating ${f/$S\//}" 53 einfo " Updating ${target/$S\//}"
27 cp -f ${configsubs_dir}/${sub} ${f} 54 cp -f ${configsubs_dir}/${file} ${target}
55 eend $?
28 done 56 done
57 else
58 ewarn " No ${file} found in ${S}, skipping.."
59 fi
29 done 60 done
30} 61}
31 62
32# this searches the standard locations for the newest config.{sub|guess}, and 63# this searches the standard locations for the newest config.{sub|guess}, and
33# returns the directory where they can be found. 64# returns the directory where they can be found.
34gnuconfig_findnewest() { 65gnuconfig_findnewest() {
35 local locations="/usr/share/automake-1.6/config.sub \ 66 local locations="/usr/share/gnuconfig/config.sub \
67 /usr/share/automake-1.6/config.sub \
36 /usr/share/automake-1.5/config.sub \ 68 /usr/share/automake-1.5/config.sub \
37 /usr/share/automake-1.4/config.sub \ 69 /usr/share/automake-1.4/config.sub"
38 /usr/share/libtool/config.sub" 70 local lt_location="/usr/share/libtool/config.sub"
71
72 [ -f "${lt_location}" ] && locations="${locations} ${lt_location}"
73
39 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -1 | sed 's,/config.sub:.*$,,' 74 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
40} 75}

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