contrib/bmake/machine.sh

   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
  20 OS=`uname`
  21 OSREL=`uname -r`
  22 OSMAJOR=`IFS=.; set $OSREL; echo $1`
  23 machine=`uname -p 2>/dev/null || uname -m`
  24 MACHINE=
  25
  26 # there is at least one case of `uname -p` outputting
  27 # a bunch of usless drivel
  28 case "$machine" in
  29 unknown|*[!A-Za-z0-9_-]*)
  30         machine=`uname -m`
  31         ;;
  32 esac
  33
  34 # Great! Solaris keeps moving arch(1)
  35 # we need this here, and it is not always available...
  36 Which() {
  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
  46 case $OS in
  47 OpenBSD)
  48         MACHINE=$OS$OSMAJOR.$machine
  49         arch=`Which arch /usr/bin:/usr/ucb:$PATH`
  50         MACHINE_ARCH=`$arch -s`;
  51         ;;
  52 *BSD)
  53         MACHINE=$OS$OSMAJOR.$machine
  54         ;;
  55 SunOS)
  56         arch=`Which arch /usr/bin:/usr/ucb:$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         ;;
  64 HP-UX)
  65         MACHINE_ARCH=`IFS="/-."; set $machine; echo $1`
  66         ;;
  67 Interix)
  68         MACHINE=i386
  69         MACHINE_ARCH=i386
  70         ;;
  71 UnixWare)
  72         OSREL=`uname -v`
  73         OSMAJOR=`IFS=.; set $OSREL; echo $1`
  74         MACHINE_ARCH=`uname -m`
  75         ;;
  76 Linux)
  77         case "$machine" in
  78         i?86) MACHINE_ARCH=i386;;# does anyone really care about 686 vs 586?
  79         esac
  80         ;;
  81 esac
  82
  83 MACHINE=${MACHINE:-$OS$OSMAJOR}
  84 MACHINE_ARCH=${MACHINE_ARCH:-$machine}
  85
  86 (
  87 case "$0" in
  88 arch*)  echo $MACHINE_ARCH;;
  89 *)
  90         case "$1" in
  91         "")     echo $MACHINE;;
  92         *)      echo $MACHINE_ARCH;;
  93         esac
  94         ;;
  95 esac
  96 ) | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz