xref: /freebsd/contrib/bmake/machine.sh (revision 48c5129f93c5eb5419c87b08e4677d51513f1dc0)
1:
2# derrived from /etc/rc_d/os.sh
3
4# RCSid:
5#	$Id: machine.sh,v 1.16 2010/10/17 00:05:51 sjg Exp $
6#
7#	@(#) Copyright (c) 1994-2002 Simon J. Gerraty
8#
9#	This file is provided in the hope that it will
10#	be of use.  There is absolutely NO WARRANTY.
11#	Permission to copy, redistribute or otherwise
12#	use this file is hereby granted provided that
13#	the above copyright notice and this notice are
14#	left intact.
15#
16#	Please send copies of changes and bug-fixes to:
17#	sjg@crufty.net
18#
19
20OS=`uname`
21OSREL=`uname -r`
22OSMAJOR=`IFS=.; set $OSREL; echo $1`
23machine=`uname -p 2>/dev/null || uname -m`
24MACHINE=
25
26# there is at least one case of `uname -p` outputting
27# a bunch of usless drivel
28case "$machine" in
29unknown|*[!A-Za-z0-9_-]*)
30        machine=`uname -m`
31        ;;
32esac
33
34# Great! Solaris keeps moving arch(1)
35# we need this here, and it is not always available...
36Which() {
37	# some shells cannot correctly handle `IFS`
38	# in conjunction with the for loop.
39	_dirs=`IFS=:; echo ${2:-$PATH}`
40	for d in $_dirs
41	do
42		test -x $d/$1 && { echo $d/$1; break; }
43	done
44}
45
46case $OS in
47OpenBSD)
48	MACHINE=$OS$OSMAJOR.$machine
49	arch=`Which arch /usr/bin:/usr/ucb:$PATH`
50	MACHINE_ARCH=`$arch -s`;
51	;;
52*BSD)
53	MACHINE=$OS$OSMAJOR.$machine
54	;;
55SunOS)
56	arch=`Which arch /usr/bin:/usr/ucb:$PATH`
57	test "$arch" && machine_arch=`$arch`
58
59	case "$OSREL" in
60	4.0*) MACHINE_ARCH=$machine_arch MACHINE=$machine_arch;;
61	4*) MACHINE_ARCH=$machine_arch;;
62	esac
63	;;
64HP-UX)
65	MACHINE_ARCH=`IFS="/-."; set $machine; echo $1`
66	;;
67Interix)
68	MACHINE=i386
69	MACHINE_ARCH=i386
70	;;
71UnixWare)
72	OSREL=`uname -v`
73	OSMAJOR=`IFS=.; set $OSREL; echo $1`
74	MACHINE_ARCH=`uname -m`
75	;;
76Linux)
77        case "$machine" in
78	i?86) MACHINE_ARCH=i386;;# does anyone really care about 686 vs 586?
79	esac
80        ;;
81esac
82
83MACHINE=${MACHINE:-$OS$OSMAJOR}
84MACHINE_ARCH=${MACHINE_ARCH:-$machine}
85
86(
87case "$0" in
88arch*)	echo $MACHINE_ARCH;;
89*)
90	case "$1" in
91	"")	echo $MACHINE;;
92	*)	echo $MACHINE_ARCH;;
93	esac
94	;;
95esac
96) | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
97