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#!/bin/bash
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc/files/fix_libtool_files.sh,v 1.14 2007/09/06 11:00:44 uberlord Exp $

usage() {
cat << "USAGE_END"
Usage: fix_libtool_files.sh <old-gcc-version> [--oldarch <old-CHOST>]

    Where <old-gcc-version> is the version number of the
    previous gcc version.  For example, if you updated to
    gcc-3.2.1, and you had gcc-3.2 installed, run:

      # fix_libtool_files.sh 3.2

    If you updated to gcc-3.2.3, and the old CHOST was i586-pc-linux-gnu
    but you now have CHOST as i686-pc-linux-gnu, run:

      # fix_libtool_files.sh 3.2 --oldarch i586-pc-linux-gnu

    Note that if only the CHOST and not the version changed, you can run
    it with the current version and the '--oldarch <old-CHOST>' arguments,
    and it will do the expected:

      # fix_libtool_files.sh `gcc -dumpversion` --oldarch i586-pc-linux-gnu

USAGE_END
	exit 1
}

if [[ $2 != "--oldarch" && $# -ne 1 ]] || \
   [[ $2 == "--oldarch" && $# -ne 3 ]]
then
	usage
fi

ARGV1=$1
ARGV2=$2
ARGV3=$3

source /etc/profile || exit 1
source /etc/init.d/functions.sh || exit 1

if [[ ${EUID} -ne 0 ]] ; then
	eerror "${0##*/}: Must be root."
	exit 1
fi

# make sure the files come out sane
umask 0022

if [[ ${ARGV2} == "--oldarch" ]] && [[ -n ${ARGV3} ]] ; then
	OLDCHOST=${ARGV3}
else
	OLDCHOST=
fi

AWKDIR="/lib/rcscripts/awk"

if [[ ! -r ${AWKDIR}/fixlafiles.awk ]] ; then
	eerror "${0##*/}: ${AWKDIR}/fixlafiles.awk does not exist!"
	exit 1
fi

OLDVER=${ARGV1}

export OLDVER OLDCHOST

einfo "Scanning libtool files for hardcoded gcc library paths..."
gawk -f "${AWKDIR}/fixlafiles.awk"

# vim:ts=4