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a6f0e10b24
* unit-tests/Makefile: disable opt-debug-x-trace on Linux if there is any chance we have dash as .SHELL * meta.c: use a variable to hold command line to be filtered to avoid any side effects from content of command line. Merge commit '535c59a6a9214436f5d6643775d29808e4b3408d'
259 lines
5.5 KiB
Bash
Executable file
259 lines
5.5 KiB
Bash
Executable file
:
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# NAME:
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# os.sh - operating system specifics
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#
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# DESCRIPTION:
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# This file is included at the start of processing. Its role is
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# to set the variables OS, OSREL, OSMAJOR, MACHINE and MACHINE_ARCH to
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# reflect the current system.
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#
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# It also sets variables such as MAILER, LOCAL_FS, PS_AXC to hide
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# certain aspects of different UNIX flavours.
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#
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# SEE ALSO:
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# site.sh,funcs.sh
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#
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# AUTHOR:
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# Simon J. Gerraty <sjg@crufty.net>
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# RCSid:
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# $Id: os.sh,v 1.59 2021/11/14 04:18:00 sjg Exp $
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#
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# @(#) Copyright (c) 1994 Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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#
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# this lets us skip sourcing it again
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_OS_SH=:
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OS=`uname`
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OSREL=`uname -r`
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OSMAJOR=`IFS=.; set $OSREL; echo $1`
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MACHINE=`uname -m`
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MACHINE_ARCH=`uname -p 2>/dev/null || echo $MACHINE`
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# there is at least one case of `uname -p` outputting
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# a bunch of usless drivel
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case "$MACHINE_ARCH" in
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unknown|*[!A-Za-z0-9_-]*) MACHINE_ARCH="$MACHINE";;
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esac
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# we need this here, and it is not always available...
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Which() {
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case "$1" in
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-*) t=$1; shift;;
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*) t=-x;;
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esac
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case "$1" in
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/*) test $t $1 && echo $1;;
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*)
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# some shells cannot correctly handle `IFS`
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# in conjunction with the for loop.
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_dirs=`IFS=:; echo ${2:-$PATH}`
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for d in $_dirs
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do
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test $t $d/$1 && { echo $d/$1; break; }
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done
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;;
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esac
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}
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# tr is insanely non-portable wrt char classes, so we need to
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# spell out the alphabet. sed y/// would work too.
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toUpper() {
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${TR:-tr} abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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}
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toLower() {
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${TR:-tr} ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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}
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K=
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case $OS in
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AIX) # everyone loves to be different...
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OSMAJOR=`uname -v`
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OSREL="$OSMAJOR.`uname -r`"
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LOCAL_FS=jfs
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PS_AXC=-e
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SHARE_ARCH=$OS/$OSMAJOR.X
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;;
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Darwin) # a bit like BSD
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HOST_ARCH=$MACHINE
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;;
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SunOS)
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CHOWN=`Which chown /usr/etc:/usr/bin`
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export CHOWN
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# Great! Solaris keeps moving arch(1)
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# should just bite the bullet and use uname -p
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arch=`Which arch /usr/bin:/usr/ucb`
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MAILER=/usr/ucb/Mail
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LOCAL_FS=4.2
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case "$OSREL" in
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4.0*)
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# uname -m just says sun which could be anything
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# so use arch(1).
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MACHINE_ARCH=`arch`
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MACHINE=$MACHINE_ARCH
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;;
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4*)
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MACHINE_ARCH=`arch`
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;;
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5*)
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K=-k
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LOCAL_FS=ufs
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MAILER=mailx
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PS_AXC=-e
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# can you believe that ln on Solaris defaults to
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# overwriting an existing file!!!!! We want one that works!
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test -x /usr/xpg4/bin/ln && LN=${LN:-/usr/xpg4/bin/ln}
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# wonderful, 5.8's tr again require's []'s
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# but /usr/xpg4/bin/tr causes problems if LC_COLLATE is set!
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# use toUpper/toLower instead.
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;;
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esac
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case "$OS/$MACHINE_ARCH" in
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*sun386) SHARE_ARCH=$MACHINE_ARCH;;
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esac
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;;
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*BSD)
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K=-k
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MAILER=/usr/bin/Mail
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LOCAL_FS=local
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: $-,$ENV
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case "$-,$ENV" in
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*i*,*) ;;
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*,|*ENVFILE*) ;;
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*) ENV=;;
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esac
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# NetBSD at least has good backward compatibility
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# so NetBSD/i386 is good enough
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case $OS in
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NetBSD)
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LOCALBASE=/usr/pkg
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HOST_ARCH=$MACHINE
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SHARE_ARCH=$OS/$HOST_ARCH
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;;
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OpenBSD)
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arch=`Which arch /usr/bin:/usr/ucb:$PATH`
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MACHINE_ARCH=`$arch -s`
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;;
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esac
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NAWK=awk
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export NAWK
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;;
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HP-UX)
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TMP_DIRS="/tmp /usr/tmp"
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LOCAL_FS=hfs
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MAILER=mailx
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# don't rely on /bin/sh, its broken
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_shell=/bin/ksh; ENV=
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# also, no one would be interested in OSMAJOR=A
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case "$OSREL" in
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?.09*) OSMAJOR=9; PS_AXC=-e;;
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?.10*) OSMAJOR=10; PS_AXC=-e;;
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esac
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;;
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IRIX)
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LOCAL_FS=efs
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;;
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Interix)
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MACHINE=i386
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MACHINE_ARCH=i386
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;;
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UnixWare|SCO_SV)
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OSREL=`uname -v`
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OSMAJOR=`IFS=.; set $OSREL; echo $1`
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MACHINE_ARCH=`uname -m`
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;;
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Linux)
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# Not really any such thing as Linux, but
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# this covers red-hat and hopefully others.
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case $MACHINE in
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i?86) MACHINE_ARCH=i386;; # we don't care about i686 vs i586
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esac
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LOCAL_FS=ext2
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PS_AXC=axc
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[ -x /usr/bin/md5sum ] && { MD5=/usr/bin/md5sum; export MD5; }
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;;
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QNX)
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case $MACHINE in
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x86pc) MACHINE_ARCH=i386;;
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esac
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;;
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Haiku)
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case $MACHINE in
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BeBox) MACHINE_ARCH=powerpc;;
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BeMac) MACHINE_ARCH=powerpc;;
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BePC) MACHINE_ARCH=i386;;
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esac
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;;
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esac
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LOCALBASE=${LOCALBASE:-/usr/local}
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HOSTNAME=${HOSTNAME:-`( hostname ) 2>/dev/null`}
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HOSTNAME=${HOSTNAME:-`( uname -n ) 2>/dev/null`}
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case "$HOSTNAME" in
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*.*) HOST=`IFS=.; set -- $HOSTNAME; echo $1`;;
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*) HOST=$HOSTNAME;;
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esac
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TMP_DIRS=${TMP_DIRS:-"/tmp /var/tmp"}
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MACHINE_ARCH=${MACHINE_ARCH:-$MACHINE}
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HOST_ARCH=${HOST_ARCH:-$MACHINE_ARCH}
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case "$HOST_ARCH" in
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x86*64|amd64) MACHINE32_ARCH=i386;;
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*64) MACHINE32_ARCH=`echo $MACHINE_ARCH | sed 's,64,32,'`;;
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*) MACHINE32_ARCH=$MACHINE_ARCH;;
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esac
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HOST_ARCH32=${HOST_ARCH32:-$MACHINE32_ARCH}
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# we mount server:/share/arch/$SHARE_ARCH as /usr/local
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SHARE_ARCH_DEFAULT=$OS/$OSMAJOR.X/$HOST_ARCH
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SHARE_ARCH=${SHARE_ARCH:-$SHARE_ARCH_DEFAULT}
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LN=${LN:-ln}
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TR=${TR:-tr}
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# Some people like have /share/$HOST_TARGET/bin etc.
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HOST_TARGET=`echo ${OS}${OSMAJOR}-$HOST_ARCH | tr -d / | toLower`
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HOST_TARGET32=`echo ${OS}${OSMAJOR}-$HOST_ARCH32 | tr -d / | toLower`
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export HOST_TARGET HOST_TARGET32
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case `echo -n .` in -n*) N=; C="\c";; *) N=-n; C=;; esac
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Echo() {
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case "$1" in
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-n) _n=$N _c=$C; shift;;
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*) _n= _c=;;
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esac
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echo $_n "$@" $_c
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}
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export HOSTNAME HOST
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export OS MACHINE MACHINE_ARCH OSREL OSMAJOR LOCAL_FS TMP_DIRS MAILER N C K PS_AXC
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export LN SHARE_ARCH TR
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export LOCALBASE
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case /$0 in
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*/os.sh)
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for v in $*
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do
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eval vv=\$$v
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echo "$v='$vv'"
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done
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;;
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*/host_target32) echo $HOST_TARGET32;;
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*/host_target) echo $HOST_TARGET;;
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esac
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