2
# ylwrap - wrapper for lex/yacc invocations.
3
# Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
4
# Written by Tom Tromey <tromey@cygnus.com>.
6
# This program is free software; you can redistribute it and/or modify
7
# it under the terms of the GNU General Public License as published by
8
# the Free Software Foundation; either version 2, or (at your option)
11
# This program is distributed in the hope that it will be useful,
12
# but WITHOUT ANY WARRANTY; without even the implied warranty of
13
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14
# GNU General Public License for more details.
16
# You should have received a copy of the GNU General Public License
17
# along with this program; if not, write to the Free Software
18
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21
# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]...
22
# * PROGRAM is program to run.
23
# * INPUT is the input file
24
# * OUTPUT is file PROG generates
25
# * DESIRED is file we actually want
26
# * ARGS are passed to PROG
27
# Any number of OUTPUT,DESIRED pairs may be used.
32
# Make any relative path in $prog absolute.
35
*/*) prog="`pwd`/$prog" ;;
43
# Absolute path; do nothing.
46
# Relative path. Make it absolute. Why? Because otherwise any
47
# debugging info in the generated file will point to the wrong
48
# place. This is really gross.
53
# We don't want to use the absolute path if the input in the current
54
# directory like when making a tar ball.
55
input_base=`echo $input | sed -e 's|.*/||'`
56
if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
61
while test "$#" -ne 0; do
62
if test "$1" = "--"; then
66
pairlist="$pairlist $1"
70
# FIXME: add hostname here for parallel makes that run commands on
71
# other machines. But that might take us over the 14-char limit.
73
trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
74
mkdir $dirname || exit 1
79
# Absolute path; do nothing.
82
# Make a symbolic link, hard link or hardcopy.
83
ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
86
$prog ${1+"$@"} "$input"
89
if test $status -eq 0; then
93
while test "$#" -ne 0; do
95
# If $2 is an absolute path name, then just use that,
96
# otherwise prepend `../'.
98
/* | [A-Za-z]:\\*) target="$2";;
101
mv "$1" "$target" || status=$?
103
# A missing file is only an error for the first file. This
104
# is a blatant hack to let us support using "yacc -d". If -d
105
# is not specified, we don't want an error when the header
107
if test $first = yes; then
119
# Remove the directory.
added
removed
build/ylwrap
