mirror of
https://review.haiku-os.org/buildtools
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9ea2a99edb
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@15071 a95241bf-73f2-0310-859d-f6bbb57e9c96
124 lines
3.2 KiB
Bash
Executable File
124 lines
3.2 KiB
Bash
Executable File
#! /bin/sh
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# ylwrap - wrapper for lex/yacc invocations.
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# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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# Written by Tom Tromey <tromey@cygnus.com>.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Usage:
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# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]...
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# * PROGRAM is program to run.
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# * INPUT is the input file
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# * OUTPUT is file PROG generates
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# * DESIRED is file we actually want
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# * ARGS are passed to PROG
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# Any number of OUTPUT,DESIRED pairs may be used.
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# The program to run.
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prog="$1"
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shift
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# Make any relative path in $prog absolute.
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case "$prog" in
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/* | [A-Za-z]:\\*) ;;
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*/*) prog="`pwd`/$prog" ;;
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esac
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# The input.
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input="$1"
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shift
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case "$input" in
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/* | [A-Za-z]:\\*)
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# Absolute path; do nothing.
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;;
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*)
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# Relative path. Make it absolute. Why? Because otherwise any
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# debugging info in the generated file will point to the wrong
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# place. This is really gross.
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input="`pwd`/$input"
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;;
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esac
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# We don't want to use the absolute path if the input in the current
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# directory like when making a tar ball.
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input_base=`echo $input | sed -e 's|.*/||'`
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if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
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input=$input_base
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fi
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pairlist=
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while test "$#" -ne 0; do
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if test "$1" = "--"; then
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shift
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break
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fi
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pairlist="$pairlist $1"
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shift
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done
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# FIXME: add hostname here for parallel makes that run commands on
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# other machines. But that might take us over the 14-char limit.
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dirname=ylwrap$$
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trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
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mkdir $dirname || exit 1
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cd $dirname
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case "$input" in
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/* | [A-Za-z]:\\*)
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# Absolute path; do nothing.
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;;
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*)
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# Make a symbolic link, hard link or hardcopy.
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ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
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;;
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esac
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$prog ${1+"$@"} "$input"
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status=$?
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if test $status -eq 0; then
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set X $pairlist
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shift
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first=yes
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while test "$#" -ne 0; do
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if test -f "$1"; then
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# If $2 is an absolute path name, then just use that,
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# otherwise prepend `../'.
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case "$2" in
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/* | [A-Za-z]:\\*) target="$2";;
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*) target="../$2";;
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esac
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mv "$1" "$target" || status=$?
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else
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# A missing file is only an error for the first file. This
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# is a blatant hack to let us support using "yacc -d". If -d
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# is not specified, we don't want an error when the header
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# file is "missing".
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if test $first = yes; then
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status=1
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fi
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fi
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shift
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shift
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first=no
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done
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else
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status=$?
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fi
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# Remove the directory.
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cd ..
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rm -rf $dirname
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exit $status
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