regen
[dragonfly.git] / usr.bin / mkdep / mkdep.sh
blobb039fe62f6f33a52c4c8bc020f1716c47d614b45
1 #!/bin/sh -
3 # Copyright (c) 1991, 1993
4 # The Regents of the University of California. All rights reserved.
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.
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.
34 # @(#)mkdep.sh 8.1 (Berkeley) 6/6/93
37 PATH=/bin:/usr/bin:/usr/ucb:/usr/old/bin
38 export PATH
40 D=.depend # default dependency file is .depend
41 append=0
43 while :
44 do case "$1" in
45 # -a appends to the depend file
46 -a)
47 append=1
48 shift ;;
50 # -f allows you to select a makefile name
51 -f)
52 D=$2
53 shift; shift ;;
55 # the -p flag produces "program: program.c" style dependencies
56 # so .o's don't get produced
57 -p)
58 SED='s;\.o ; ;'
59 shift ;;
61 break ;;
62 esac
63 done
65 if [ $# = 0 ] ; then
66 echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
67 exit 1
70 TMP=/tmp/mkdep$$
72 trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
74 cc -M $* |
75 sed "
76 s; \./; ;g
77 /\.c:$/d
78 $SED" |
79 awk '{
80 if ($1 != prev) {
81 if (rec != "")
82 print rec;
83 rec = $0;
84 prev = $1;
86 else {
87 if (length(rec $2) > 78) {
88 print rec;
89 rec = $0;
91 else
92 rec = rec " " $2
95 END {
96 print rec
97 }' > $TMP
99 if [ $? != 0 ]; then
100 echo 'mkdep: compile failed.'
101 rm -f $TMP
102 exit 1
105 if [ $append = 1 ]; then
106 cat $TMP >> $D
107 rm -f $TMP
108 else
109 mv $TMP $D
111 exit 0