Annotation of src/usr.bin/mkdep/mkdep.append, Revision 1.7
1.1 deraadt 1: #!/bin/sh -
2: #
1.7 ! millert 3: # $OpenBSD: mkdep.append,v 1.6 2002/12/15 13:30:17 henning 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.
1.7 ! millert 17: # 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 18: # may be used to endorse or promote products derived from this software
19: # without specific prior written permission.
20: #
21: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: # SUCH DAMAGE.
32: #
33: # @(#)mkdep.append 8.1 (Berkeley) 6/6/93
34: #
35:
36: MAKE=Makefile # default makefile name is "Makefile"
37:
38: while :
39: do case "$1" in
40: # -f allows you to select a makefile name
41: -f)
42: MAKE=$2
43: shift; shift ;;
44:
45: # the -p flag produces "program: program.c" style dependencies
46: # so .o's don't get produced
47: -p)
48: SED='s;\.o;;'
49: shift ;;
50: *)
51: break ;;
52: esac
53: done
54:
55: if [ $# = 0 ] ; then
56: echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
57: exit 1
58: fi
59:
60: if [ ! -w $MAKE ]; then
1.6 henning 61: echo "mkdep: no writable file \"$MAKE\""
1.1 deraadt 62: exit 1
63: fi
64:
1.3 deraadt 65: DTMP=/tmp/_mkdep$$
66: TMP=$DTMP/mkdep
1.1 deraadt 67:
1.3 deraadt 68: um=`umask`
69: umask 022
70: if ! mkdir $DTMP ; then
71: echo failed to create tmp dir $DTMP
72: exit 1
73: fi
74: umask $um
75: trap 'rm -rf $DTMP ; exit 1' 1 2 3 13 15
1.1 deraadt 76:
77: cp $MAKE ${MAKE}.bak
78:
79: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
80:
81: cat << _EOF_ >> $TMP
82: # DO NOT DELETE THIS LINE -- mkdep uses it.
83: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
84:
85: _EOF_
86:
87: # If your compiler doesn't have -M, add it. If you can't, the next two
88: # lines will try and replace the "cc -M". The real problem is that this
89: # hack can't deal with anything that requires a search path, and doesn't
90: # even try for anything using bracket (<>) syntax.
91: #
92: # egrep '^#include[ ]*".*"' /dev/null $* |
93: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
94:
1.5 niklas 95: ${CC:-cc} -M $* |
1.1 deraadt 96: sed "
97: s; \./; ;g
98: $SED" |
99: awk '{
100: if ($1 != prev) {
101: if (rec != "")
102: print rec;
103: rec = $0;
104: prev = $1;
105: }
106: else {
107: if (length(rec $2) > 78) {
108: print rec;
109: rec = $0;
110: }
111: else
112: rec = rec " " $2
113: }
114: }
115: END {
116: print rec
117: }' >> $TMP
118:
119: cat << _EOF_ >> $TMP
120:
121: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
122: _EOF_
123:
124: # copy to preserve permissions
125: cp $TMP $MAKE
1.3 deraadt 126: rm -rf ${MAKE}.bak $DTMP
1.1 deraadt 127: exit 0