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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 1.16 2004/04/24 02:22:57 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.28 2005/07/06 20:20:03 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 $ECLASS" 21INHERITED="$INHERITED $ECLASS"
21 22
22DEPEND="sys-devel/gnuconfig 23DEPEND="sys-devel/gnuconfig"
23 !bootstrap? ( sys-devel/libtool )"
24 24
25DESCRIPTION="Based on the ${ECLASS} eclass" 25DESCRIPTION="Based on the ${ECLASS} eclass"
26 26
27# Wrapper function for gnuconfig_do_update. If no arguments are given, update 27# Wrapper function for gnuconfig_do_update. If no arguments are given, update
28# config.sub and config.guess (old default behavior), otherwise update the 28# config.sub and config.guess (old default behavior), otherwise update the
29# named files. 29# named files.
30gnuconfig_update() { 30gnuconfig_update() {
31 local startdir # declared here ... used in gnuconfig_do_update
32
33 if [[ $1 == /* ]] ; then
34 startdir=$1
35 shift
36 else
37 startdir=${S}
38 fi
39
31 if [ $# -gt 0 ] ; then 40 if [[ $# -gt 0 ]] ; then
32 gnuconfig_do_update "$@" 41 gnuconfig_do_update "$@"
33 else 42 else
34 gnuconfig_do_update config.sub config.guess 43 gnuconfig_do_update config.sub config.guess
35 fi 44 fi
45
46 return $?
36} 47}
37 48
38# Copy the newest available version of specified files over any old ones in the 49# 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 50# source dir. This function shouldn't be called directly - use gnuconfig_update
51#
52# Note that since bash using dynamic scoping, startdir is available here from
53# the gnuconfig_update function
40gnuconfig_do_update() { 54gnuconfig_do_update() {
41 [ $# -eq 0 ] && die "do not call gnuconfig_do_update(); use gnuconfig_update()" 55 local configsubs_dir target targetlist file
42 56
57 [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update"
58
43 local configsubs_dir="$(gnuconfig_findnewest)" 59 configsubs_dir=$(gnuconfig_findnewest)
44 local target targetlist file
45 einfo "Using GNU config files from ${configsubs_dir}" 60 einfo "Using GNU config files from ${configsubs_dir}"
46 for file in "$@" ; do 61 for file in "$@" ; do
47 if [ ! -r ${configsubs_dir}/${file} ] ; then 62 if [[ ! -r ${configsubs_dir}/${file} ]] ; then
48 eerror "Can't read ${configsubs_dir}/${file}, skipping.." 63 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
49 continue 64 continue
50 fi 65 fi
51 targetlist=`find ${S} -name "${file}"` 66 targetlist=$(find "${startdir}" -name "${file}")
52 if [ -n "$targetlist" ] ; then 67 if [[ -n ${targetlist} ]] ; then
53 for target in $targetlist; do 68 for target in ${targetlist} ; do
54 einfo " Updating ${target/$S\//}" 69 einfo " Updating ${target/$startdir\//}"
55 cp -f ${configsubs_dir}/${file} ${target} 70 cp -f "${configsubs_dir}/${file}" "${target}"
56 eend $! 71 eend $?
57 done 72 done
58 else 73 else
59 ewarn " No ${file} found in ${S}, skipping.." 74 ewarn " No ${file} found in ${startdir}, skipping ..."
60 fi 75 fi
61 done 76 done
77
78 return 0
62} 79}
63 80
64# this searches the standard locations for the newest config.{sub|guess}, and 81# this searches the standard locations for the newest config.{sub|guess}, and
65# returns the directory where they can be found. 82# returns the directory where they can be found.
66gnuconfig_findnewest() { 83gnuconfig_findnewest() {
84 local locations="
67 local locations="/usr/share/gnuconfig/config.sub \ 85 /usr/share/gnuconfig/config.sub
86 /usr/share/automake-1.9/config.sub
87 /usr/share/automake-1.8/config.sub
88 /usr/share/automake-1.7/config.sub
68 /usr/share/automake-1.6/config.sub \ 89 /usr/share/automake-1.6/config.sub
69 /usr/share/automake-1.5/config.sub \ 90 /usr/share/automake-1.5/config.sub
70 /usr/share/automake-1.4/config.sub" 91 /usr/share/automake-1.4/config.sub
71 local lt_location="/usr/share/libtool/config.sub" 92 /usr/share/libtool/config.sub
72 93 "
73 [ -f "${lt_location}" ] && locations="${locations} ${lt_location}"
74
75 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,' 94 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
76} 95}

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