New eclass to update old config.guess and config.sub

diff --git a/eclass/gnuconfig.eclass b/eclass/gnuconfig.eclass
new file mode 100644 (file)
index 0000000..4809e24
--- /dev/null
+++ b/eclass/gnuconfig.eclass
@@ -0,0 +1,39 @@
+#!/bin/bash
+# Copyright 1999-2002 Gentoo Technologies, Inc.
+# Distributed under the terms of the GNU General Public License, v2 or later
+# Author: Will Woods <wwoods@gentoo.org>
+# $Header: /var/cvsroot/gentoo-x86/eclass/gnuconfig.eclass,v 1.1 2002/10/25 17:16:07 wwoods Exp $
+# This eclass updates config.guess and config.sub. This is useful if 
+# configure dies from misguessing your canonical system name (CHOST).
+
+ECLASS=gnuconfig
+INHERITED="$INHERITED $ECLASS"
+
+newdepend sys-devel/automake
+
+DESCRIPTION="Based on the ${ECLASS} eclass"
+
+# Copy the newest available config.{guess|sub} on the system over any old 
+# ones in the source dir
+gnuconfig_update() {
+       local configsubs_dir="$(gnuconfig_findnewest)"
+       local sub
+       local f
+       einfo "Using GNU config files from ${configsubs_dir}"
+       for sub in config.sub config.guess ; do 
+               for f in `find ${S} -name "${sub}"`; do
+                       einfo "Updating ${f/$S\//}"
+                       cp -f ${configsubs_dir}/${sub} ${f}
+               done
+       done
+}
+
+# this searches the standard locations for the newest config.{sub|guess}, and
+# returns the directory where they can be found.
+gnuconfig_findnewest() {
+       local locations="/usr/share/automake-1.6/config.sub \
+                         /usr/share/automake-1.5/config.sub \
+                         /usr/share/automake-1.4/config.sub \
+                         /usr/share/libtool/config.sub"
+       grep -s '^timestamp' ${locations} | sort -n -t\' -k2 | tail -1 | sed 's,/config.sub:.*$,,'
+}