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1# Copyright 1999-2004 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Foundation
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 1.18 2004/06/23 02:58:32 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.27 2005/05/25 00:15:02 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
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#
19# gnuconfig_update should generally be called from src_unpack()
18 20
19ECLASS=gnuconfig 21ECLASS=gnuconfig
20INHERITED="$INHERITED $ECLASS" 22INHERITED="$INHERITED $ECLASS"
21 23
22DEPEND="sys-devel/gnuconfig" 24DEPEND="sys-devel/gnuconfig"
25 27
26# Wrapper function for gnuconfig_do_update. If no arguments are given, update 28# Wrapper function for gnuconfig_do_update. If no arguments are given, update
27# config.sub and config.guess (old default behavior), otherwise update the 29# config.sub and config.guess (old default behavior), otherwise update the
28# named files. 30# named files.
29gnuconfig_update() { 31gnuconfig_update() {
32 local startdir # declared here ... used in gnuconfig_do_update
33
34 if [[ $1 == /* ]] ; then
35 startdir=$1
36 shift
37 else
38 startdir=${S}
39 fi
40
30 if [ $# -gt 0 ] ; then 41 if [[ $# -gt 0 ]] ; then
31 gnuconfig_do_update "$@" 42 gnuconfig_do_update "$@"
32 else 43 else
33 gnuconfig_do_update config.sub config.guess 44 gnuconfig_do_update config.sub config.guess
34 fi 45 fi
46
47 return $?
35} 48}
36 49
37# Copy the newest available version of specified files over any old ones in the 50# 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 51# source dir. This function shouldn't be called directly - use gnuconfig_update
52#
53# Note that since bash using dynamic scoping, startdir is available here from
54# the gnuconfig_update function
39gnuconfig_do_update() { 55gnuconfig_do_update() {
40 [ $# -eq 0 ] && die "do not call gnuconfig_do_update(); use gnuconfig_update()" 56 local configsubs_dir target targetlist file
41 57
58 [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update"
59
42 local configsubs_dir="$(gnuconfig_findnewest)" 60 configsubs_dir=$(gnuconfig_findnewest)
43 local target targetlist file
44 einfo "Using GNU config files from ${configsubs_dir}" 61 einfo "Using GNU config files from ${configsubs_dir}"
45 for file in "$@" ; do 62 for file in "$@" ; do
46 if [ ! -r ${configsubs_dir}/${file} ] ; then 63 if [[ ! -r ${configsubs_dir}/${file} ]] ; then
47 eerror "Can't read ${configsubs_dir}/${file}, skipping.." 64 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
48 continue 65 continue
49 fi 66 fi
50 targetlist=`find ${S} -name "${file}"` 67 targetlist=$(find "${startdir}" -name "${file}")
51 if [ -n "$targetlist" ] ; then 68 if [[ -n ${targetlist} ]] ; then
52 for target in $targetlist; do 69 for target in ${targetlist} ; do
53 einfo " Updating ${target/$S\//}" 70 einfo " Updating ${target/$startdir\//}"
54 cp -f ${configsubs_dir}/${file} ${target} 71 cp -f "${configsubs_dir}/${file}" "${target}"
55 eend $? 72 eend $?
56 done 73 done
57 else 74 else
58 ewarn " No ${file} found in ${S}, skipping.." 75 ewarn " No ${file} found in ${startdir}, skipping ..."
59 fi 76 fi
60 done 77 done
78
79 return 0
61} 80}
62 81
63# this searches the standard locations for the newest config.{sub|guess}, and 82# this searches the standard locations for the newest config.{sub|guess}, and
64# returns the directory where they can be found. 83# returns the directory where they can be found.
65gnuconfig_findnewest() { 84gnuconfig_findnewest() {
85 local locations="
66 local locations="/usr/share/gnuconfig/config.sub \ 86 /usr/share/gnuconfig/config.sub
87 /usr/share/automake-1.9/config.sub
88 /usr/share/automake-1.8/config.sub
89 /usr/share/automake-1.7/config.sub
67 /usr/share/automake-1.6/config.sub \ 90 /usr/share/automake-1.6/config.sub
68 /usr/share/automake-1.5/config.sub \ 91 /usr/share/automake-1.5/config.sub
69 /usr/share/automake-1.4/config.sub" 92 /usr/share/automake-1.4/config.sub
70 local lt_location="/usr/share/libtool/config.sub" 93 /usr/share/libtool/config.sub
71 94 "
72 [ -f "${lt_location}" ] && locations="${locations} ${lt_location}"
73
74 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,' 95 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
75} 96}

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