#!/bin/sh
#
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#

# This is a wrapper for the config.guess from autoconf. The latter
# does not know about all of our platforms. Instead of patching the
# autoconf system (which might easily get lost in a future update), we
# wrap it and fix the broken property, if needed.

DIR=`dirname $0`

# First, filter out everything that doesn't begin with "aarch64-"
if ! echo $* | grep '^aarch64-' >/dev/null ; then
    . $DIR/autoconf-config.sub "$@"
    # autoconf-config.sub exits, so we never reach here, but just in
    # case we do:
    exit
fi

while test $# -gt 0 ; do
    case $1 in 
        -- )   # Stop option processing
            shift; break ;;
        aarch64-gnu )
            sub_args="$sub_args aarch64-unknown-gnu"
            shift; ;;
        aarch64-linux )
            sub_args="$sub_args aarch64-unknown-linux-gnu"
            shift; ;;
        aarch64-*-linux )
            os=`echo $1 | sed 's/aarch64-\(.*\)-linux/\1/'`
            config="aarch64-unknown-linux-gnu"
            sub_args="$sub_args $config"
            shift; ;;
        aarch64-*-gnu )
            os=`echo $1 | sed 's/aarch64-\(.*\)-gnu.*$/\1/'`
            config="aarch64-unknown-gnu"
            sub_args="$sub_args $config"
            shift; ;;
        aarch64-*-linux-* )
            os=`echo $1 | sed 's/aarch64-\(.*\)-linux-.*$/'`
            config="aarch64-unknown-linux-gnu"
            sub_args="$sub_args $config"
            shift; ;;
        - )    # Use stdin as input.
            sub_args="$sub_args $1"
            shift; break ;;
        * )
            sub_args="$sub_args $1"
            shift; ;;
    esac
done

result=`. $DIR/autoconf-config.sub $sub_args "$@"`
exitcode=$?

if [ "x$os" != "x" ] ; then
    result=`echo $result | sed "s/-unknown-/-$os-/"`
fi

echo $result
exit $exitcode