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#! /bin/sh
# Shell script to determine the architecture type.
# If EXIM_ARCHTYPE is set, use it. This allows a manual override.
case "$EXIM_ARCHTYPE" in ?*) arch="$EXIM_ARCHTYPE";; esac
# Otherwise, try to get a value from the uname command. When uname -p gives
# "unknown" or something containing spaces, try -m.
case "$arch" in '') arch=`uname -p 2> /dev/null`;; esac
case "$arch" in ''|unknown|*\ *) arch=`uname -m 2> /dev/null`;; esac
# Otherwise, see if ARCHTYPE is set. Some versions of NetBSD set it to
# "NetBSD", which isn't very helpful. However, we expect uname to have
# worked under NetBSD, so this shouldn't matter.
case "$arch" in '') arch="$ARCHTYPE";; esac
# Otherwise, as a cheap test, try shell's HOSTTYPE, but as tcsh sometimes sets
# it to the OS name, ignore it if running with tcsh.
case "$SHELL" in ?*tcsh) HOSTTYPE="";; esac
case "$arch++$HOSTTYPE" in
++?*) arch="$HOSTTYPE"
# Fix up disagreements :-)
case "$arch" in
sun4*) arch=sparc;;
# Comment by Vadim Vygonets:
# Maybe sun4/sun4c/sun4m and sun4u (or whatever else they call the
# Ultras, sparc64?) should be different platforms. Maybe not.
# NetBSD and OpenBSD (the latter is not supported) think about them
# as different platforms. Solaris doesn't seem to. I have no idea
# about Linux.
sgi) arch=mips;;
MIPSEL) arch=mips;;
esac
;;
esac
# Give up if failed.
case "$arch" in
'') echo "" 1>&2
echo "*** Failed to determine the machine architecture type." 1>&2
echo "" 1>&2
echo UnKnown
exit 1;;
esac
# Get rid of any gash characters in the string
arch=`echo $arch | sed 's,[^-+_.a-zA-Z0-9],,g'`
# Some further fixups needed
case "$arch" in
i[3456]86*) arch=i386;;
RISC) arch=mips;; # MIPS Ultrix
IP22) arch=mips;;
9000[78][0-9][0-9]) arch=hp9000s700;;
9000[34][0-9][0-9]) arch=hp9000s400;;
3050R) arch=3050;;
esac
# OK, the script seems to have worked. Pass the value back.
echo "$arch"
# End of arch-type
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