1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
#! /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
|
