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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 1.29 2005/07/06 20:23:20 agriffis 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
20INHERITED="$INHERITED $ECLASS"
21 21
22DEPEND="sys-devel/gnuconfig" 22DEPEND="sys-devel/gnuconfig"
23 23
24DESCRIPTION="Based on the ${ECLASS} eclass" 24DESCRIPTION="Based on the ${ECLASS} eclass"
25 25
26# 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
27# config.sub and config.guess (old default behavior), otherwise update the 27# config.sub and config.guess (old default behavior), otherwise update the
28# named files. 28# named files.
29gnuconfig_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
30 if [ $# -gt 0 ] ; then 39 if [[ $# -gt 0 ]] ; then
31 gnuconfig_do_update "$@" 40 gnuconfig_do_update "$@"
32 else 41 else
33 gnuconfig_do_update config.sub config.guess 42 gnuconfig_do_update config.sub config.guess
34 fi 43 fi
44
45 return $?
35} 46}
36 47
37# Copy the newest available version of specified files over any old ones in the 48# 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 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
39gnuconfig_do_update() { 53gnuconfig_do_update() {
40 [ $# -eq 0 ] && die "do not call gnuconfig_do_update(); use gnuconfig_update()" 54 local configsubs_dir target targetlist file
41 55
56 [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update"
57
42 local configsubs_dir="$(gnuconfig_findnewest)" 58 configsubs_dir=$(gnuconfig_findnewest)
43 local target targetlist file
44 einfo "Using GNU config files from ${configsubs_dir}" 59 einfo "Using GNU config files from ${configsubs_dir}"
45 for file in "$@" ; do 60 for file in "$@" ; do
46 if [ ! -r ${configsubs_dir}/${file} ] ; then 61 if [[ ! -r ${configsubs_dir}/${file} ]] ; then
47 eerror "Can't read ${configsubs_dir}/${file}, skipping.." 62 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
48 continue 63 continue
49 fi 64 fi
50 targetlist=`find ${S} -name "${file}"` 65 targetlist=$(find "${startdir}" -name "${file}")
51 if [ -n "$targetlist" ] ; then 66 if [[ -n ${targetlist} ]] ; then
52 for target in $targetlist; do 67 for target in ${targetlist} ; do
53 einfo " Updating ${target/$S\//}" 68 einfo " Updating ${target/$startdir\//}"
54 cp -f ${configsubs_dir}/${file} ${target} 69 cp -f "${configsubs_dir}/${file}" "${target}"
55 eend $? 70 eend $?
56 done 71 done
57 else 72 else
58 ewarn " No ${file} found in ${S}, skipping.." 73 ewarn " No ${file} found in ${startdir}, skipping ..."
59 fi 74 fi
60 done 75 done
76
77 return 0
61} 78}
62 79
63# this searches the standard locations for the newest config.{sub|guess}, and 80# this searches the standard locations for the newest config.{sub|guess}, and
64# returns the directory where they can be found. 81# returns the directory where they can be found.
65gnuconfig_findnewest() { 82gnuconfig_findnewest() {
83 local locations="
66 local locations="/usr/share/gnuconfig/config.sub \ 84 /usr/share/gnuconfig/config.sub
85 /usr/share/automake-1.9/config.sub
86 /usr/share/automake-1.8/config.sub
87 /usr/share/automake-1.7/config.sub
67 /usr/share/automake-1.6/config.sub \ 88 /usr/share/automake-1.6/config.sub
68 /usr/share/automake-1.5/config.sub \ 89 /usr/share/automake-1.5/config.sub
69 /usr/share/automake-1.4/config.sub" 90 /usr/share/automake-1.4/config.sub
70 local lt_location="/usr/share/libtool/config.sub" 91 /usr/share/libtool/config.sub
71 92 "
72 [ -f "${lt_location}" ] && locations="${locations} ${lt_location}"
73
74 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,' 93 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
75} 94}

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