#! /bin/sh
#
# $Id: arch,v 1.1.1.1 2018/04/24 16:12:57 root Exp $
#
# Copyright (c) 1989 Jan-Simon Pendry
# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
# Copyright (c) 1989 The Regents of the University of California.
# All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Jan-Simon Pendry at Imperial College, London.
#
# Redistribution and use in source and binary forms are permitted provided
# that: (1) source distributions retain this entire copyright notice and
# comment, and (2) distributions including binaries display the following
# acknowledgement:  ``This product includes software developed by the
# University of California, Berkeley and its contributors'' in the
# documentation or other materials provided with the distribution and in
# all advertising materials mentioning features or use of this software.
# Neither the name of the University nor the names of its contributors may
# be used to endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
LAR PURPOSE.
#
#	@(#)arch	5.1 (Berkeley) 6/29/90
#
# Figure out machine architecture
#

PATH=/bin:/usr/bin:/usr/ucb:/etc:/usr/local/bin:${PATH} export PATH

#
# First try to find a standard command
#
a=arch		# Sun compat
m=machine	# BSD compat
u=uname		# Sys5 compat

if [ -f /etc/$a -o -f /bin/$a -o -f /usr/bin/$a -o -f /usr/local/bin/$a ]
then
	exec $a
elif [ -f /etc/$m -o -f /bin/$m -o -f /usr/bin/$m -o -f /usr/ucb/$m -o -f /usr/local/bin/$m ]
then
	exec $m
elif [ -f /etc/$u -o -f /bin/$u -o -f /usr/bin/$u -o -f /usr/local/bin/$u ]
then
	ARCH="`uname`"
	case "$ARCH" in
		"HP-UX") echo hp9000; exit 0;;
		AIX*) MACH="`uname -m`"
			case "$MACH" in
			00*) echo ibm6000; exit 0;;
			10*) echo ibm032; exit 0;;
			20*) echo ibm032; exit 0;;
			esac
			;;
		A/UX) echo macII ; exit 0 ;;
		*) ;;
	esac
fi

#
# Take a pot-shot at your machine architecture
#
echo "	... No ARCH= option specified; dynamically determining architecture" >&2

case "`exec 2>/dev/null; head -2 /etc/motd`" in
*"HP-UX"*)		ARCH=hp9000;;
*"Ultrix"*)		ARCH=vax;;
*"RISC iX"*)		ARCH=arm;;
*"Umax 4.2"*)		ARCH=encore;;
*"Alliant Concentrix"*)	ARCH=alliant;;
*"FPS Model 500"*)	ARCH=fps500;;
*)			ARCH=unknown;
			if [ -d /usr/include/caif ]; then
				ARCH=ibm032
			elif [ -f /bin/pyr ]; then
				if /bin/pyr; then
					echo pyr; exit 0
				fi
			fi
			;;
fi

esac

echo "	... architecture appears to be \"${ARCH}\"" >&2
echo $ARCH

case "$ARCH" in
unknown) exit 1
esac

exit 0