bin/platform

   1 #!/usr/bin/env bash
   2
   3 set -e
   4
   5 name=`basename "$0"`
   6 dir=`dirname "$0"`
   7 bin=`cd "$dir" && pwd`
   8
   9 die () {
  10         echo >&2 "$1"
  11         exit 1
  12 }
  13
  14 usage () {
  15         die "usage: $name"
  16 }
  17
  18 case "$#" in
  19 0)
  20 ;;
  21 *)
  22         usage
  23 ;;
  24 esac
  25
  26 uname=`uname`
  27 arch=
  28
  29 case "$uname" in
  30 AIX)
  31         HOST_OS='aix'
  32         arch=`/usr/sbin/lsattr -a type -F deflt -l proc0`
  33         case $arch in
  34         POWER) arch=powerpc64 ;;
  35         esac
  36 ;;
  37 CYGWIN*)
  38         HOST_OS='cygwin'
  39 ;;
  40 Darwin)
  41         HOST_OS='darwin'
  42 ;;
  43 *FreeBSD*)
  44         HOST_OS='freebsd'
  45 ;;
  46 GNU)
  47         HOST_OS='hurd'
  48 ;;
  49 HP-UX)
  50         HOST_OS='hpux'
  51 ;;
  52 Linux)
  53         HOST_OS='linux'
  54 ;;
  55 MINGW*)
  56         HOST_OS='mingw'
  57 ;;
  58 NetBSD*)
  59         HOST_OS='netbsd'
  60 ;;
  61 OpenBSD*)
  62         HOST_OS='openbsd'
  63 ;;
  64 SunOS)
  65         HOST_OS='solaris'
  66         for arch in sparc amd64 i386 `uname -m`; do
  67                 optisa $arch > /dev/null && break
  68         done
  69 ;;
  70 *)
  71         die "Unknown OS $uname."
  72 ;;
  73 esac
  74
  75 if [ -z "$arch" ]; then
  76         arch=`uname -m`
  77 fi
  78
  79 case "$arch" in
  80 alpha*)
  81 # not certain about this one; no alpha access
  82         HOST_ARCH=alpha
  83 ;;
  84 x86_64*)
  85         HOST_ARCH=amd64
  86 ;;
  87 i?86_64)
  88         HOST_ARCH=amd64
  89 ;;
  90 amd64)
  91         HOST_ARCH=amd64
  92 ;;
  93 arm*)
  94         HOST_ARCH=arm
  95 ;;
  96 aarch64)
  97         HOST_ARCH=arm64
  98 ;;
  99 parisc*)
 100         HOST_ARCH=hppa
 101 ;;
 102 9000/*)
 103         HOST_ARCH=hppa
 104 ;;
 105 ia64*)
 106         HOST_ARCH=ia64
 107 ;;
 108 m68k*)
 109         HOST_ARCH=m68k
 110 ;;
 111 mips*)
 112 # big-endian and little-endian detect via headers
 113         HOST_ARCH=mips
 114 ;;
 115 powerpc64)
 116         HOST_ARCH=powerpc64
 117 ;;
 118 ppc64)
 119         HOST_ARCH=powerpc64
 120 ;;
 121 powerpc)
 122         HOST_ARCH=powerpc
 123 ;;
 124 ppc*)
 125         HOST_ARCH=powerpc
 126 ;;
 127 Power*)
 128         HOST_ARCH=powerpc
 129 ;;
 130 s390*)
 131         HOST_ARCH=s390
 132 ;;
 133 sparc*)
 134         HOST_ARCH=sparc
 135 ;;
 136 sun*)
 137         HOST_ARCH=sparc
 138 ;;
 139 i?86*)
 140         HOST_ARCH=x86
 141 ;;
 142 *)
 143         die "Unknown arch $arch."
 144 ;;
 145 esac
 146
 147 echo "HOST_OS=$HOST_OS HOST_ARCH=$HOST_ARCH"