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	FSF:1.1.1;
locks; strict;
comment	@# @;


1.1
date	2002.12.04.15.10.33;	author obrien;	state Exp;
branches
	1.1.1.1;
next	;

1.1.1.1
date	2002.12.04.15.10.33;	author obrien;	state Exp;
branches;
next	1.1.1.2;

1.1.1.2
date	2003.03.26.18.11.58;	author kan;	state dead;
branches;
next	;


desc
@@


1.1
log
@Initial revision
@
text
@#! /bin/sh
# ylwrap - wrapper for lex/yacc invocations.
# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Usage:
#     ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]...
# * PROGRAM is program to run.
# * INPUT is the input file
# * OUTPUT is file PROG generates
# * DESIRED is file we actually want
# * ARGS are passed to PROG
# Any number of OUTPUT,DESIRED pairs may be used.

# The program to run.
prog="$1"
shift
# Make any relative path in $prog absolute.
case "$prog" in
 /* | [A-Za-z]:\\*) ;;
 */*) prog="`pwd`/$prog" ;;
esac

# The input.
input="$1"
shift
case "$input" in
 /* | [A-Za-z]:\\*)
    # Absolute path; do nothing.
    ;;
 *)
    # Relative path.  Make it absolute.  Why?  Because otherwise any
    # debugging info in the generated file will point to the wrong
    # place.  This is really gross.
    input="`pwd`/$input"
    ;;
esac

# We don't want to use the absolute path if the input in the current
# directory like when making a tar ball.
input_base=`echo $input | sed -e 's|.*/||'`
if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
  input=$input_base
fi

pairlist=
while test "$#" -ne 0; do
   if test "$1" = "--"; then
      shift
      break
   fi
   pairlist="$pairlist $1"
   shift
done

# FIXME: add hostname here for parallel makes that run commands on
# other machines.  But that might take us over the 14-char limit.
dirname=ylwrap$$
trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
mkdir $dirname || exit 1

cd $dirname
case "$input" in
 /* | [A-Za-z]:\\*)
    # Absolute path; do nothing.
    ;;
 *)
    # Make a symbolic link, hard link or hardcopy.
    ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
    ;;
esac
$prog ${1+"$@@"} "$input"
status=$?

if test $status -eq 0; then
   set X $pairlist
   shift
   first=yes
   while test "$#" -ne 0; do
      if test -f "$1"; then
         # If $2 is an absolute path name, then just use that,
         # otherwise prepend `../'.
         case "$2" in
	   /* | [A-Za-z]:\\*) target="$2";;
	   *) target="../$2";;
	 esac
	 mv "$1" "$target" || status=$?
      else
	 # A missing file is only an error for the first file.  This
	 # is a blatant hack to let us support using "yacc -d".  If -d
	 # is not specified, we don't want an error when the header
	 # file is "missing".
	 if test $first = yes; then
	    status=1
	 fi
      fi
      shift
      shift
      first=no
   done
else
   status=$?
fi

# Remove the directory.
cd ..
rm -rf $dirname

exit $status
@


1.1.1.1
log
@Gcc 3.2.1 release virgin vendor import. (19-Nov-2002)
@
text
@@


1.1.1.2
log
@Remove files incidentally imported from the wrong place during
3.2.1 import. They are not used by any of our system GCC versions
and will be physically removed from repository soon.

Reviewed by:	obrien
@
text
@@

