1#!/bin/sh - 2# 3# SPDX-License-Identifier: BSD-3-Clause 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. Neither the name of the University nor the names of its contributors 17# may be used to endorse or promote products derived from this software 18# without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30# SUCH DAMAGE. 31# 32 33PATH=/bin:/usr/bin:/usr/ucb:/usr/old/bin 34export PATH 35 36D=.depend # default dependency file is .depend 37append=0 38 39while : 40 do case "$1" in 41 # -a appends to the depend file 42 -a) 43 append=1 44 shift ;; 45 46 # -f allows you to select a makefile name 47 -f) 48 D=$2 49 shift; shift ;; 50 51 # the -p flag produces "program: program.c" style dependencies 52 # so .o's don't get produced 53 -p) 54 SED='s;\.o ; ;' 55 shift ;; 56 *) 57 break ;; 58 esac 59done 60 61if [ $# = 0 ] ; then 62 echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...' 63 exit 1 64fi 65 66TMP=/tmp/mkdep$$ 67 68trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15 69 70cc -M $* | 71sed " 72 s; \./; ;g 73 /\.c:$/d 74 $SED" | 75awk '{ 76 if ($1 != prev) { 77 if (rec != "") 78 print rec; 79 rec = $0; 80 prev = $1; 81 } 82 else { 83 if (length(rec $2) > 78) { 84 print rec; 85 rec = $0; 86 } 87 else 88 rec = rec " " $2 89 } 90} 91END { 92 print rec 93}' > $TMP 94 95if [ $? != 0 ]; then 96 echo 'mkdep: compile failed.' 97 rm -f $TMP 98 exit 1 99fi 100 101if [ $append = 1 ]; then 102 cat $TMP >> $D 103 rm -f $TMP 104else 105 mv $TMP $D 106fi 107exit 0 108