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/usr.bin/mkdep/mkdep.gcc.sh

https://bitbucket.org/freebsd/freebsd-head/
Shell | 96 lines | 47 code | 11 blank | 38 comment | 2 complexity | 312c6bce85ff3e06bf03b4acbe8a8d49 MD5 | raw file
 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# 4. Neither the name of the University nor the names of its contributors
15#    may be used to endorse or promote products derived from this software
16#    without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28# SUCH DAMAGE.
29#
30#	@(#)mkdep.gcc.sh	8.1 (Berkeley) 6/6/93
31# $FreeBSD$
32
33D=.depend			# default dependency file is .depend
34append=0
35pflag=
36
37while :
38	do case "$1" in
39		# -a appends to the depend file
40		-a)
41			append=1
42			shift ;;
43
44		# -f allows you to select a makefile name
45		-f)
46			D=$2
47			shift; shift ;;
48
49		# the -p flag produces "program: program.c" style dependencies
50		# so .o's don't get produced
51		-p)
52			pflag=p
53			shift ;;
54		*)
55			break ;;
56	esac
57done
58
59case $# in 0) 
60	echo 'usage: mkdep [-ap] [-f file] [flags] file ...' >&2
61	exit 1;;
62esac
63
64TMP=_mkdep$$
65trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
66trap 'rm -f $TMP' 0
67
68# For C sources, mkdep must use exactly the same cpp and predefined flags
69# as the compiler would.  This is easily arranged by letting the compiler
70# pick the cpp.  mkdep must be told the cpp to use for exceptional cases.
71CC=${CC-"cc"}
72MKDEP_CPP=${MKDEP_CPP-"${CC} -E"}
73MKDEP_CPP_OPTS=${MKDEP_CPP_OPTS-"-M"};
74
75echo "# $@" > $TMP	# store arguments for debugging
76
77if $MKDEP_CPP $MKDEP_CPP_OPTS "$@" >> $TMP; then :
78else
79	echo 'mkdep: compile failed' >&2
80	exit 1
81fi
82
83case x$pflag in
84	x) case $append in 
85		0) sed -e 's; \./; ;g' < $TMP >  $D;;
86		*) sed -e 's; \./; ;g' < $TMP >> $D;;
87	   esac
88	;;	
89	*) case $append in 
90		0) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >  $D;;
91		*) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >> $D;;
92	   esac
93	;;
94esac
95
96exit $?