97ef0077f0
git-subtree-dir: cde/programs/dtksh/ksh93 git-subtree-split: b16c91f0120895eaae2618e821cac5b4eda27ac2
141 lines
4.2 KiB
Bash
141 lines
4.2 KiB
Bash
########################################################################
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# #
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# This software is part of the ast package #
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# Copyright (c) 1994-2011 AT&T Intellectual Property #
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# Copyright (c) 2020-2022 Contributors to ksh 93u+m #
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# and is licensed under the #
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# Eclipse Public License, Version 2.0 #
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# #
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# A copy of the License is available at #
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# https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html #
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# (with md5 checksum 84283fa8859daf213bdda5a9f8d1be1d) #
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# #
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# Glenn Fowler <gsf@research.att.com> #
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# Martijn Dekker <martijn@inlv.org> #
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# #
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########################################################################
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: cross compiler a.out execution
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(command set -o posix) 2>/dev/null && set -o posix
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command=crossexec
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tmp=/tmp/cross$$
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case `(getopts '[-][123:xyz]' opt --xyz; echo 0$opt) 2>/dev/null` in
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0123) ARGV0="-a $command"
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USAGE=$'
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[-?
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@(#)$Id: crossexec (AT&T Labs Research) 2004-01-04 $
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]
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[-author?Glenn Fowler <gsf@research.att.com>]
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[-copyright?Copyright (c) 1994-2012 AT&T Intellectual Property]
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[-license?https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html]
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[+NAME?crossexec - cross compiler a.out execution]
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[+DESCRIPTION?\bcrossexec\b runs a cross-compiled \acommand\a in an environment
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that supports a cross-compilation architecture different from the
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current host. The cross environment is determined by \acrosstype\a,
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usually a host type name produced by \bpackage\b(1). \acrosstype\a
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is used to find an entry in \b$HOME/.crossexec\b that specifies
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the cross compiler host and access details.]
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[+?The exit status of \bcrossexec\b is the exit status of \acommand\a.]
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[+CROSS ENVIRONMENT FILE?\b$HOME/.crossexec\b contains one line for each
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supported \acrosstype\a. Each line contains 5 tab separated fields.
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Field default values are specified as \b-\b. The fields are:]{
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[+crosstype?The host type produced by \bpackage\b(1).]
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[+host?The host name.]
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[+user?The user name on \ahost\a. The default is the current user.]
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[+dir?The directory to copy \acommand\a and execute it. The default
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is the \auser\a \b$HOME\b on \ahost\a.]
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[+shell?The command used to get shell access to \ahost\a. Currently
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only \brsh\b and \bssh\b are supported.]
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[+copy?The command used to copy \acommand\a to \ahost\a. Currently
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only \brcp\b and \bscp\b are supported.]
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}
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[n:show?Show the underlying commands but do not execute.]
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crosstype command [ option ... ] [ file ... ]
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[+SEE ALSO?\brcp\b(1), \brsh\b(1), \bscp\b(1), \bssh\b(1)]
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'
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;;
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*) ARGV0=""
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USAGE="crosstype command [ option ... ] [ file ... ]"
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;;
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esac
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usage()
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{
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OPTIND=0
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getopts $ARGV0 "$USAGE" OPT '-?'
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exit 2
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}
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exec=
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# get the options and operands
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while getopts $ARGV0 "$USAGE" OPT
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do case $OPT in
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n) exec=echo ;;
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*) usage ;;
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esac
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done
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shift $OPTIND-1
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case $# in
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[01]) usage ;;
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esac
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type=$1
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shift
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cmd=$1
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shift
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# get the host info
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info=$HOME/.$command
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if test ! -r $info
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then echo "$command: $info: not found" >&2
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exit 1
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fi
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ifs=${IFS-'
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'}
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while :
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do IFS=' '
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read hosttype hostname usr dir sh cp
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code=$?
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IFS=$ifs
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case $code in
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0) ;;
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*) echo "$command: $type: unknown cross compiler host type" >&2
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exit 1
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;;
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esac
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case $hosttype in
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$type) break ;;
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esac
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done < $info
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# fill in the defaults
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case $usr in
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-) cpu= shu= ;;
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*) cpu=${usr}@ shu="-l $usr" ;;
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esac
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case $dir in
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-) dir= ;;
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esac
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case $sh in
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''|-) sh=ssh ;;
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esac
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case $cp in
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''|-) cp=scp ;;
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scp) cp="$cp -q" ;;
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esac
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trap "rm -f $tmp" 0 1 2 3 15
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$exec $cp $cmd $cpu$hostname:$dir </dev/null || exit 1
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cmd=./${cmd##*/}
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$exec $sh $shu $hostname "cd $dir; LD_LIBRARY_PATH=: $cmd $@ </dev/null 2>/dev/null; code=\$?; rm -f $cmd; echo $command: exit \$code >&2" </dev/null 2>$tmp
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exit `sed -e '/^'$command': exit [0-9][0-9]*$/!d' -e 's/.* //' $tmp`
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