host-mkdep.in revision 1.9 
1#!@BSHELL@ -
2#
3#	$NetBSD: host-mkdep.in,v 1.9 2003/06/10 21:34:02 christos Exp $
4#
5# Copyright (c) 1991, 1993
6#	The Regents of the University of California.  All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16# 3. All advertising materials mentioning features or use of this software
17#    must display the following acknowledgement:
18#	This product includes software developed by the University of
19#	California, Berkeley and its contributors.
20# 4. Neither the name of the University nor the names of its contributors
21#    may be used to endorse or promote products derived from this software
22#    without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34# SUCH DAMAGE.
35#
36#	@(#)mkdep.old.compiler	8.1 (Berkeley) 6/6/93
37#
38
39APPEND=false
40CPPFLAGS=
41NEWEXT=.o
42OUTFILE=.depend
43SRCS=
44USAGE="Usage: $0 [-a] [-p] [-f makefile] [flags] file ..."
45
46while [ $# -gt 0 ]; do
47	case "$1" in
48	-a)	APPEND=true
49		shift
50		;;
51
52	-f)	OUTFILE=$2
53		shift 2
54		;;
55
56	-p)	NEWEXT=
57		shift
58		;;
59
60	*)	break
61		;;
62	esac
63done
64
65if [ $# = 0 ]; then
66	echo "$USAGE" 1>&2
67	exit 1
68fi
69
70while [ $# -gt 0 ]; do
71	case "$1" in
72	-L)			# takes an arg, but ignored
73			shift 2
74			;;
75
76	-c|-[lLMOW]*)		# takes no extra args
77			shift
78			;;
79
80	-[IDU]*)
81			CPPFLAGS="$CPPFLAGS $1"
82			shift
83			;;
84
85	-[IDU]|-include|-isystem)
86			CPPFLAGS="$CPPFLAGS $1 $2"
87			shift 2
88			;;
89
90	-no-cpp-precomp)	# This is a Darwin-specific option.
91			CPPFLAGS="$CPPFLAGS $1"
92			shift
93			;;
94
95	-nostdinc*)	# This is a gcc/g++ ism; ignore if not gcc/g++
96			case "@CFLAGS@" in
97			*-O2*)	# Autoconf puts -O2 when gcc only
98				CPPFLAGS="$CPPFLAGS $1"
99				;;
100			esac	
101			shift
102			;;
103
104	-*)		
105			echo "$0: Unknown option: $1" 1>&2 # all other -options
106			exit 1
107			;;
108
109	*)	
110			SRCS="$SRCS $1"	# source file
111			shift
112			;;
113	esac
114done
115
116if [ -z "$SRCS" ]; then
117	echo "$0: Warning no sources specified." 1>&2
118	exit 0
119fi
120
121TMP=/tmp/mkdep$$
122rm -f $TMP
123
124trap 'rm -f $TMP; exit 1' 1 2 3 13 15
125
126for f in $SRCS; do
127	@CPP@ $CPPFLAGS $f | @AWK@ '
128		BEGIN {
129			objfile = "'$f'"
130			sub(/^.*\//, "", objfile)
131			sub(/\.(c|cc|m)$/, "'$NEWEXT'", objfile)
132		}
133		/^#/ {
134			# Be as tolerant as possible.
135			sub(/^#(line)? [ 0-9]*\"?/, "")
136			sub(/^#(pragma).*/, "")
137			sub(/^<.*/, "")
138			sub(/\".*$/, "")
139			sub(/ [ 0-9]*$/, "")
140
141			if ($0 in seenfiles) next
142			if ($0 ~ /y.tab.c/) next
143
144			seenfiles[$0] = 1
145			print objfile ": " $0
146		}
147	' >> $TMP
148done
149
150if $APPEND; then
151	cat $TMP >> $OUTFILE
152else
153	cat $TMP > $OUTFILE
154fi
155
156rm -f $TMP
157exit 0
158