1#!/bin/sh -
2#
3# Copyright (c) 1987 Regents of the University of California.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms are permitted
7# provided that the above copyright notice and this paragraph are
8# duplicated in all such forms and that any documentation,
9# advertising materials, and other materials related to such
10# distribution and use acknowledge that the software was developed
11# by the University of California, Berkeley.  The name of the
12# University may not be used to endorse or promote products derived
13# from this software without specific prior written permission.
14# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17#
18#	@(#)mkdep.sh	5.12 (Berkeley) 6/30/88
19#
20
21MAKE=Makefile			# default makefile name is "Makefile"
22
23while :
24	do case "$1" in
25		# -f allows you to select a makefile name
26		-f)
27			MAKE=$2
28			shift; shift ;;
29
30		# the -p flag produces "program: program.c" style dependencies
31		# so .o's don't get produced
32		-p)
33			SED='s;\.o;;'
34			shift ;;
35		*)
36			break ;;
37	esac
38done
39
40if [ $# = 0 ] ; then
41	echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
42	exit 1
43fi
44
45if [ ! -w $MAKE ]; then
46	echo "mkdep: no writeable file \"$MAKE\""
47	exit 1
48fi
49
50TMP=/tmp/mkdep$$
51
52trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
53
54cp $MAKE ${MAKE}.bak
55
56sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
57
58cat << _EOF_ >> $TMP
59# DO NOT DELETE THIS LINE -- mkdep uses it.
60# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
61
62_EOF_
63
64# If your compiler doesn't have -M, add it.  If you can't, the next two
65# lines will try and replace the "cc -M".  The real problem is that this
66# hack can't deal with anything that requires a search path, and doesn't
67# even try for anything using bracket (<>) syntax.
68#
69# egrep '^#include[ 	]*".*"' /dev/null $* |
70# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
71
72gcc -MM $* |
73sed "
74	s; \./; ;g
75	$SED" >> $TMP
76
77cat << _EOF_ >> $TMP
78
79# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
80_EOF_
81
82# copy to preserve permissions
83cp $TMP $MAKE
84rm -f ${MAKE}.bak $TMP
85exit 0
86
87
88