mkdep.gcc.sh revision 22641 
1#!/bin/sh -
2#
3# Copyright (c) 1991, 1993
4#	The Regents of the University of California.  All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#	This product includes software developed by the University of
17#	California, Berkeley and its contributors.
18# 4. Neither the name of the University nor the names of its contributors
19#    may be used to endorse or promote products derived from this software
20#    without specific prior written permission.
21#
22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32# SUCH DAMAGE.
33#
34#	@(#)mkdep.gcc.sh	8.1 (Berkeley) 6/6/93
35#	$FreeBSD: head/usr.bin/mkdep/mkdep.gcc.sh 22641 1997-02-13 12:05:12Z bde $
36
37PATH=/bin:/usr/bin; export PATH
38
39D=.depend			# default dependency file is .depend
40append=0
41pflag=
42
43while :
44	do case "$1" in
45		# -a appends to the depend file
46		-a)
47			append=1
48			shift ;;
49
50		# -f allows you to select a makefile name
51		-f)
52			D=$2
53			shift; shift ;;
54
55		# the -p flag produces "program: program.c" style dependencies
56		# so .o's don't get produced
57		-p)
58			pflag=p
59			shift ;;
60		*)
61			break ;;
62	esac
63done
64
65case $# in 0) 
66	echo 'usage: mkdep [-ap] [-f file] [flags] file ...' >&2
67	exit 1;;
68esac
69
70TMP=_mkdep$$
71trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
72trap 'rm -f $TMP' 0
73
74# For C sources, mkdep must use exactly the same cpp and predefined flags
75# as the compiler would.  This is easily arranged by letting the compiler
76# pick the cpp.  mkdep must be told the cpp to use for exceptional cases.
77MKDEP_CPP=${MKDEP_CPP-"cc -E"}
78
79echo "# $@" > $TMP	# store arguments for debugging
80
81if $MKDEP_CPP -M "$@" >> $TMP; then :
82else
83	echo 'mkdep: compile failed' >&2
84	exit 1
85fi
86
87case x$pflag in
88	x) case $append in 
89		0) sed -e 's; \./; ;g' < $TMP >  $D;;
90		*) sed -e 's; \./; ;g' < $TMP >> $D;;
91	   esac
92	;;	
93	*) case $append in 
94		0) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >  $D;;
95		*) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >> $D;;
96	   esac
97	;;
98esac
99
100exit $?
101