76 lines
2.1 KiB
Bash
Executable file
76 lines
2.1 KiB
Bash
Executable file
#! /bin/sh
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# Shell script to determine the architecture type.
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# Copyright (c) The Exim Maintainters 2022
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# SPDX-License-Identifier: GPL-2.0-or-later
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# If EXIM_ARCHTYPE is set, use it. This allows a manual override.
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case "$EXIM_ARCHTYPE" in ?*) arch="$EXIM_ARCHTYPE";; esac
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# Otherwise, try to get a value from the uname command. When uname -p gives
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# "unknown" or something containing spaces, try -m.
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case "$arch" in '') arch=`uname -p 2> /dev/null`;; esac
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case "$arch" in ''|unknown|*\ *) arch=`uname -m 2> /dev/null`;; esac
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# Otherwise, see if ARCHTYPE is set. Some versions of NetBSD set it to
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# "NetBSD", which isn't very helpful. However, we expect uname to have
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# worked under NetBSD, so this shouldn't matter.
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case "$arch" in '') arch="$ARCHTYPE";; esac
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# Otherwise, as a cheap test, try shell's HOSTTYPE, but as tcsh sometimes sets
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# it to the OS name, ignore it if running with tcsh.
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case "$SHELL" in ?*tcsh) HOSTTYPE="";; esac
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case "$arch++$HOSTTYPE" in
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++?*) arch="$HOSTTYPE"
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# Fix up disagreements :-)
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case "$arch" in
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sun4*) arch=sparc;;
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# Comment by Vadim Vygonets:
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# Maybe sun4/sun4c/sun4m and sun4u (or whatever else they call the
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# Ultras, sparc64?) should be different platforms. Maybe not.
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# NetBSD and OpenBSD (the latter is not supported) think about them
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# as different platforms. Solaris doesn't seem to. I have no idea
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# about Linux.
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sgi) arch=mips;;
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MIPSEL) arch=mips;;
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esac
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;;
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esac
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# Give up if failed.
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case "$arch" in
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'') echo "" 1>&2
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echo "*** Failed to determine the machine architecture type." 1>&2
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echo "" 1>&2
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echo UnKnown
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exit 1;;
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esac
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# Get rid of any gash characters in the string
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arch=`echo $arch | sed 's,[^-+_.a-zA-Z0-9],,g'`
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# Some further fixups needed
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case "$arch" in
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i[3456]86*) arch=i386;;
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RISC) arch=mips;; # MIPS Ultrix
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IP22) arch=mips;;
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9000[78][0-9][0-9]) arch=hp9000s700;;
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9000[34][0-9][0-9]) arch=hp9000s400;;
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3050R) arch=3050;;
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esac
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# OK, the script seems to have worked. Pass the value back.
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echo "$arch"
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# End of arch-type
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