src/scripts/arch-type

   1 #! /bin/sh
   2
   3 # Shell script to determine the architecture type.
   4
   5 # If EXIM_ARCHTYPE is set, use it. This allows a manual override.
   6
   7 case "$EXIM_ARCHTYPE" in ?*) arch="$EXIM_ARCHTYPE";; esac
   8
   9 # Otherwise, try to get a value from the uname command. When uname -p gives
  10 # "unknown" or something containing spaces, try -m.
  11
  12 case "$arch" in '') arch=`uname -p 2> /dev/null`;; esac
  13 case "$arch" in ''|unknown|*\ *) arch=`uname -m 2> /dev/null`;; esac
  14
  15 # Otherwise, see if ARCHTYPE is set. Some versions of NetBSD set it to
  16 # "NetBSD", which isn't very helpful. However, we expect uname to have
  17 # worked under NetBSD, so this shouldn't matter.
  18
  19 case "$arch" in '') arch="$ARCHTYPE";; esac
  20
  21 # Otherwise, as a cheap test, try shell's HOSTTYPE, but as tcsh sometimes sets
  22 # it to the OS name, ignore it if running with tcsh.
  23
  24 case "$SHELL" in ?*tcsh) HOSTTYPE="";; esac
  25
  26 case "$arch++$HOSTTYPE" in
  27 ++?*) arch="$HOSTTYPE"
  28       # Fix up disagreements :-)
  29       case "$arch" in
  30       sun4*)    arch=sparc;;
  31
  32 # Comment by Vadim Vygonets:
  33 # Maybe sun4/sun4c/sun4m and sun4u (or whatever else they call the
  34 # Ultras, sparc64?) should be different platforms.  Maybe not.
  35 # NetBSD and OpenBSD (the latter is not supported) think about them
  36 # as different platforms.  Solaris doesn't seem to.  I have no idea
  37 # about Linux.
  38
  39       sgi)      arch=mips;;
  40       MIPSEL)   arch=mips;;
  41       esac
  42       ;;
  43 esac
  44
  45 # Give up if failed.
  46
  47 case "$arch" in
  48 '') echo "" 1>&2
  49     echo "*** Failed to determine the machine architecture type." 1>&2
  50     echo "" 1>&2
  51     echo UnKnown
  52     exit 1;;
  53 esac
  54
  55 # Get rid of any gash characters in the string
  56
  57 arch=`echo $arch | sed 's,[^-+_.a-zA-Z0-9],,g'`
  58
  59 # Some further fixups needed
  60
  61 case "$arch" in
  62 i[3456]86*)         arch=i386;;
  63 RISC)               arch=mips;;     # MIPS Ultrix
  64 IP22)               arch=mips;;
  65 9000[78][0-9][0-9]) arch=hp9000s700;;
  66 9000[34][0-9][0-9]) arch=hp9000s400;;
  67 3050R)              arch=3050;;
  68 esac
  69
  70 # OK, the script seems to have worked. Pass the value back.
  71
  72 echo "$arch"
  73
  74 # End of arch-type