freebsd-dev/external/bsd/bmake/dist/machine.sh
2012-06-20 00:41:31 +00:00

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# derrived from /etc/rc_d/os.sh
# RCSid:
# $Id: machine.sh,v 1.16 2010/10/17 00:05:51 sjg Exp $
#
# @(#) Copyright (c) 1994-2002 Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
# use this file is hereby granted provided that
# the above copyright notice and this notice are
# left intact.
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
OS=`uname`
OSREL=`uname -r`
OSMAJOR=`IFS=.; set $OSREL; echo $1`
machine=`uname -p 2>/dev/null || uname -m`
MACHINE=
# there is at least one case of `uname -p` outputting
# a bunch of usless drivel
case "$machine" in
unknown|*[!A-Za-z0-9_-]*)
machine=`uname -m`
;;
esac
# Great! Solaris keeps moving arch(1)
# we need this here, and it is not always available...
Which() {
# some shells cannot correctly handle `IFS`
# in conjunction with the for loop.
_dirs=`IFS=:; echo ${2:-$PATH}`
for d in $_dirs
do
test -x $d/$1 && { echo $d/$1; break; }
done
}
case $OS in
OpenBSD)
MACHINE=$OS$OSMAJOR.$machine
arch=`Which arch /usr/bin:/usr/ucb:$PATH`
MACHINE_ARCH=`$arch -s`;
;;
*BSD)
MACHINE=$OS$OSMAJOR.$machine
;;
SunOS)
arch=`Which arch /usr/bin:/usr/ucb:$PATH`
test "$arch" && machine_arch=`$arch`
case "$OSREL" in
4.0*) MACHINE_ARCH=$machine_arch MACHINE=$machine_arch;;
4*) MACHINE_ARCH=$machine_arch;;
esac
;;
HP-UX)
MACHINE_ARCH=`IFS="/-."; set $machine; echo $1`
;;
Interix)
MACHINE=i386
MACHINE_ARCH=i386
;;
UnixWare)
OSREL=`uname -v`
OSMAJOR=`IFS=.; set $OSREL; echo $1`
MACHINE_ARCH=`uname -m`
;;
Linux)
case "$machine" in
i?86) MACHINE_ARCH=i386;;# does anyone really care about 686 vs 586?
esac
;;
esac
MACHINE=${MACHINE:-$OS$OSMAJOR}
MACHINE_ARCH=${MACHINE_ARCH:-$machine}
(
case "$0" in
arch*) echo $MACHINE_ARCH;;
*)
case "$1" in
"") echo $MACHINE;;
*) echo $MACHINE_ARCH;;
esac
;;
esac
) | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz