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[unix-history] / usr.bin / mkdep / mkdep.ultrix
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1#!/bin/sh -
2#
3# Copyright (c) 1991 The Regents of the University of California.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12# notice, this list of conditions and the following disclaimer in the
13# documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15# must display the following acknowledgement:
16# This product includes software developed by the University of
17# California, Berkeley and its contributors.
18# 4. Neither the name of the University nor the names of its contributors
19# may be used to endorse or promote products derived from this software
20# without specific prior written permission.
21#
22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32# SUCH DAMAGE.
33#
34# @(#)mkdep.ultrix 5.2 (Berkeley) 4/12/91
35#
36
37PATH=/bin:/usr/bin:/usr/ucb
38export PATH
39
40MAKE=Makefile # default makefile name is "Makefile"
41
42while :
43 do case "$1" in
44 # -f allows you to select a makefile name
45 -f)
46 MAKE=$2
47 shift; shift ;;
48
49 # the -p flag produces "program: program.c" style dependencies
50 # so .o's don't get produced
51 -p)
52 SED='s;\.o;;'
53 shift ;;
54 *)
55 break ;;
56 esac
57done
58
59if [ $# = 0 ] ; then
60 echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
61 exit 1
62fi
63
64if [ ! -w $MAKE ]; then
65 echo "mkdep: no writeable file \"$MAKE\""
66 exit 1
67fi
68
69TMP=/tmp/mkdep$$
70
71trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
72
73cp $MAKE ${MAKE}.bak
74
75sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
76
77cat << _EOF_ >> $TMP
78# DO NOT DELETE THIS LINE -- mkdep uses it.
79# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
80
81_EOF_
82
83# If your compiler doesn't have -M, add it. If you can't, the next two
84# lines will try and replace the "cc -M". The real problem is that this
85# hack can't deal with anything that requires a search path, and doesn't
86# even try for anything using bracket (<>) syntax.
87#
88# egrep '^#include[ ]*".*"' /dev/null $* |
89# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
90
91# Ultrix has already used -M for something else.
92cc -Em $* |
93sed "
94 s; \./; ;g
95 $SED" |
96awk '{
97 if ($1 != prev) {
98 if (rec != "")
99 print rec;
100 rec = $0;
101 prev = $1;
102 }
103 else {
104 if (length(rec $2) > 78) {
105 print rec;
106 rec = $0;
107 }
108 else
109 rec = rec " " $2
110 }
111}
112END {
113 print rec
114}' >> $TMP
115
116cat << _EOF_ >> $TMP
117
118# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
119_EOF_
120
121# copy to preserve permissions
122cp $TMP $MAKE
123rm -f ${MAKE}.bak $TMP
124exit 0