Annotation of src/usr.bin/mkdep/mkdep.append, Revision 1.2
1.1 deraadt 1: #!/bin/sh -
2: #
1.2 ! deraadt 3: # $OpenBSD: mkdep.append,v 1.2 1994/12/23 07:34:57 jtc Exp $
1.1 deraadt 4: # $NetBSD: mkdep.append,v 1.2 1994/12/23 07:34:57 jtc Exp $
5: #
6: # Copyright (c) 1991, 1993
7: # The Regents of the University of California. All rights reserved.
8: #
9: # Redistribution and use in source and binary forms, with or without
10: # modification, are permitted provided that the following conditions
11: # are met:
12: # 1. Redistributions of source code must retain the above copyright
13: # notice, this list of conditions and the following disclaimer.
14: # 2. Redistributions in binary form must reproduce the above copyright
15: # notice, this list of conditions and the following disclaimer in the
16: # documentation and/or other materials provided with the distribution.
17: # 3. All advertising materials mentioning features or use of this software
18: # must display the following acknowledgement:
19: # This product includes software developed by the University of
20: # California, Berkeley and its contributors.
21: # 4. Neither the name of the University nor the names of its contributors
22: # may be used to endorse or promote products derived from this software
23: # without specific prior written permission.
24: #
25: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: # SUCH DAMAGE.
36: #
37: # @(#)mkdep.append 8.1 (Berkeley) 6/6/93
38: #
39:
40: PATH=/bin:/usr/bin:/usr/ucb
41: export PATH
42:
43: MAKE=Makefile # default makefile name is "Makefile"
44:
45: while :
46: do case "$1" in
47: # -f allows you to select a makefile name
48: -f)
49: MAKE=$2
50: shift; shift ;;
51:
52: # the -p flag produces "program: program.c" style dependencies
53: # so .o's don't get produced
54: -p)
55: SED='s;\.o;;'
56: shift ;;
57: *)
58: break ;;
59: esac
60: done
61:
62: if [ $# = 0 ] ; then
63: echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
64: exit 1
65: fi
66:
67: if [ ! -w $MAKE ]; then
68: echo "mkdep: no writeable file \"$MAKE\""
69: exit 1
70: fi
71:
72: TMP=/tmp/mkdep$$
73:
74: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
75:
76: cp $MAKE ${MAKE}.bak
77:
78: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
79:
80: cat << _EOF_ >> $TMP
81: # DO NOT DELETE THIS LINE -- mkdep uses it.
82: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
83:
84: _EOF_
85:
86: # If your compiler doesn't have -M, add it. If you can't, the next two
87: # lines will try and replace the "cc -M". The real problem is that this
88: # hack can't deal with anything that requires a search path, and doesn't
89: # even try for anything using bracket (<>) syntax.
90: #
91: # egrep '^#include[ ]*".*"' /dev/null $* |
92: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
93:
94: cc -M $* |
95: sed "
96: s; \./; ;g
97: $SED" |
98: awk '{
99: if ($1 != prev) {
100: if (rec != "")
101: print rec;
102: rec = $0;
103: prev = $1;
104: }
105: else {
106: if (length(rec $2) > 78) {
107: print rec;
108: rec = $0;
109: }
110: else
111: rec = rec " " $2
112: }
113: }
114: END {
115: print rec
116: }' >> $TMP
117:
118: cat << _EOF_ >> $TMP
119:
120: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
121: _EOF_
122:
123: # copy to preserve permissions
124: cp $TMP $MAKE
125: rm -f ${MAKE}.bak $TMP
126: exit 0