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Revision 1.10 - (show annotations) (download)
Wed Jul 2 08:33:17 2003 UTC (11 years, 1 month ago) by woodchip
Branch: MAIN
Changes since 1.9: +2 -2 lines
the -1 shortcut is deprecated

1 # Copyright 1999-2003 Gentoo Technologies, Inc.
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /home/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.9 2003/06/05 22:42:24 drobbins Exp $
4 #
5 # Author: Will Woods <wwoods@gentoo.org>
6 #
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
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 ($S) with the given name(s) will be replaced
16 # with the newest available versions chosen from the list of locations in
17 # gnuconfig_findnewest(), below.
18
19 ECLASS=gnuconfig
20 INHERITED="$INHERITED $ECLASS"
21
22 DEPEND="$DEPEND sys-devel/libtool"
23
24 DESCRIPTION="Based on the ${ECLASS} eclass"
25
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
28 # named files.
29 gnuconfig_update() {
30 if [ $# -gt 0 ] ; then
31 gnuconfig_do_update $*
32 else
33 gnuconfig_do_update config.sub config.guess
34 fi
35 }
36
37 # Copy the newest available version of specified files over any old ones in the
38 # source dir. This function shouldn't be called directly - use gnuconfig_update
39 gnuconfig_do_update() {
40 local configsubs_dir="$(gnuconfig_findnewest)"
41 local target targetlist file
42 einfo "Using GNU config files from ${configsubs_dir}"
43 for file in $* ; do
44 if [ ! -r ${configsubs_dir}/${file} ] ; then
45 eerror "Can't read ${configsubs_dir}/${file}, skipping.."
46 continue
47 fi
48 targetlist=`find ${S} -name "${file}"`
49 if [ -n "$targetlist" ] ; then
50 for target in $targetlist; do
51 einfo "Updating ${target/$S\//}"
52 cp -f ${configsubs_dir}/${file} ${target}
53 eend $!
54 done
55 else
56 ewarn "No ${file} found in ${S}, skipping.."
57 fi
58 done
59 }
60
61 # this searches the standard locations for the newest config.{sub|guess}, and
62 # returns the directory where they can be found.
63 gnuconfig_findnewest() {
64 local locations="/usr/share/automake-1.6/config.sub \
65 /usr/share/automake-1.5/config.sub \
66 /usr/share/automake-1.4/config.sub \
67 /usr/share/libtool/config.sub"
68 grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -n 1 | sed 's,/config.sub:.*$,,'
69 }

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