2 # Shell script to determine the architecture type.
4 # Copyright (c) The Exim Maintainters 2022
5 # SPDX-License-Identifier: GPL-2.0-or-later
7 # If EXIM_ARCHTYPE is set, use it. This allows a manual override.
9 case "$EXIM_ARCHTYPE" in ?*) arch="$EXIM_ARCHTYPE";; esac
11 # Otherwise, try to get a value from the uname command. When uname -p gives
12 # "unknown" or something containing spaces, try -m.
14 case "$arch" in '') arch=`uname -p 2> /dev/null`;; esac
15 case "$arch" in ''|unknown|*\ *) arch=`uname -m 2> /dev/null`;; esac
17 # Otherwise, see if ARCHTYPE is set. Some versions of NetBSD set it to
18 # "NetBSD", which isn't very helpful. However, we expect uname to have
19 # worked under NetBSD, so this shouldn't matter.
21 case "$arch" in '') arch="$ARCHTYPE";; esac
23 # Otherwise, as a cheap test, try shell's HOSTTYPE, but as tcsh sometimes sets
24 # it to the OS name, ignore it if running with tcsh.
26 case "$SHELL" in ?*tcsh) HOSTTYPE="";; esac
28 case "$arch++$HOSTTYPE" in
29 ++?*) arch="$HOSTTYPE"
30 # Fix up disagreements :-)
34 # Comment by Vadim Vygonets:
35 # Maybe sun4/sun4c/sun4m and sun4u (or whatever else they call the
36 # Ultras, sparc64?) should be different platforms. Maybe not.
37 # NetBSD and OpenBSD (the latter is not supported) think about them
38 # as different platforms. Solaris doesn't seem to. I have no idea
51 echo "*** Failed to determine the machine architecture type." 1>&2
57 # Get rid of any gash characters in the string
59 arch=`echo $arch | sed 's,[^-+_.a-zA-Z0-9],,g'`
61 # Some further fixups needed
64 i[3456]86*) arch=i386;;
65 RISC) arch=mips;; # MIPS Ultrix
67 9000[78][0-9][0-9]) arch=hp9000s700;;
68 9000[34][0-9][0-9]) arch=hp9000s400;;
72 # OK, the script seems to have worked. Pass the value back.