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freebsd/usr.bin/mkdep/mkdep.sh
1994-05-27 12:33:43 +00:00

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#!/bin/sh -
#
# Copyright (c) 1991, 1993
# The Regents of the University of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)mkdep.sh 8.1 (Berkeley) 6/6/93
#
PATH=/bin:/usr/bin:/usr/ucb:/usr/old/bin
export PATH
D=.depend # default dependency file is .depend
append=0
while :
do case "$1" in
# -a appends to the depend file
-a)
append=1
shift ;;
# -f allows you to select a makefile name
-f)
D=$2
shift; shift ;;
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
SED='s;\.o ; ;'
shift ;;
*)
break ;;
esac
done
if [ $# = 0 ] ; then
echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
exit 1
fi
TMP=/tmp/mkdep$$
trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
cc -M $* |
sed "
s; \./; ;g
/\.c:$/d
$SED" |
awk '{
if ($1 != prev) {
if (rec != "")
print rec;
rec = $0;
prev = $1;
}
else {
if (length(rec $2) > 78) {
print rec;
rec = $0;
}
else
rec = rec " " $2
}
}
END {
print rec
}' > $TMP
if [ $? != 0 ]; then
echo 'mkdep: compile failed.'
rm -f $TMP
exit 1
fi
if [ $append = 1 ]; then
cat $TMP >> $D
rm -f $TMP
else
mv $TMP $D
fi
exit 0