1#!/bin/sh -
2#
3# Copyright (c) 1988 The 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.old.compiler	5.2 (Berkeley) 10/24/88
19#
20
21# This is a version of mkdep that works pretty well
22# with compilers that don't have -M.
23
24PATH=/bin:/usr/bin:/usr/ucb:/lib:/usr/lib
25
26INCL=
27D=.depend
28append=0
29
30while :
31	do case "$1" in
32		# -a appends to the depend file
33		-a)
34			append=1
35			shift ;;
36
37		# -f allows you to select a makefile name
38		-f)
39			D=$2
40			shift; shift ;;
41
42		# the -p flag produces "program: program.c" style dependencies
43		# so .o's don't get produced
44		-p)
45			SED='s;\.o;;'
46			shift ;;
47		*)
48			break ;;
49	esac
50done
51
52if [ $# = 0 ] ; then
53	echo 'usage: mkdep [-f depend_file] [cc_flags] file ...'
54	exit 1
55fi
56
57TMP=/tmp/mkdep$$
58trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
59
60for i do
61	case "$i" in
62	-c|-M)
63		;;
64	-I*)
65		INCL="$INCL $i";;
66	-D*|-O|-U*)
67		FLAGS="$FLAGS $i";;
68	*)
69		# assume source file
70		# put '$dep' in front of dependencies
71		dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`
72
73		# Find includes, remove leading numerics, remove ./,
74		# remove double quotes, and remove trailing numerics.
75		# Sort that, discarding duplicates, and add '$dep'.
76		cpp $INCL $FLAGS "$i" | sed -e '
77			/^#/!d
78			s/# [0-9]* //
79			s,"./,",
80			s/"\(.*\)"/\1/
81			s/ [ 0-9]*$//' |
82		sort -u | sed -e "s/^/$dep: /";;
83	esac
84done |
85sed "
86	s; \./; ;g
87	/\.c:$/d
88	$SED" |
89awk '{
90	if ($1 != prev) {
91		if (rec != "")
92			print rec;
93		rec = $0;
94		prev = $1;
95	}
96	else {
97		if (length(rec $2) > 78) {
98			print rec;
99			rec = $0;
100		}
101		else
102			rec = rec " " $2
103	}
104}
105END {
106	print rec
107}' > $TMP
108
109if [ $append = 1 ]; then
110	cat $TMP >> $D
111	rm -f $TMP
112else
113	mv $TMP $D
114fi
115exit 0
116