File: mkdep.in

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#!/bin/sh -

##
## Modified to handle -vpath <path> option by Michael Graff, ISC.
## The purpose of this is to allow this script to run outside of the
## source directory, for instance when running configure with
##   ../bind9-mainline/configure
## and still have "make depend" work.
##

## ++Copyright++ 1987
## -
## Copyright (c) 1987 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.
## -
## Portions Copyright (c) 1993 by Digital Equipment Corporation.
##
## Permission to use, copy, modify, and distribute this software for any
## purpose with or without fee is hereby granted, provided that the above
## copyright notice and this permission notice appear in all copies, and that
## the name of Digital Equipment Corporation not be used in advertising or
## publicity pertaining to distribution of the document or software without
## specific, written prior permission.
##
## THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
## WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
## OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
## CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
## DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
## PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
## ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
## SOFTWARE.
## -
## --Copyright--

#
#	@(#)mkdep.sh	5.12 (Berkeley) 6/30/88
#

MAKE=Makefile			# default makefile name is "Makefile"

while :
	do case "$1" in
		# -vpath allows one to select a virtual path for .c files
		-vpath)
			VPATH=$2;
			shift; shift ;;
		# -f allows you to select a makefile name
		-f)
			MAKE=$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 [-vpath path] [-p] [-f makefile] [flags] file ...'
	exit 1
fi

if [ ! -w $MAKE ]; then
	echo "mkdep: no writeable file \"$MAKE\""
	exit 1
fi

TMP=mkdep$$

trap 'rm -f $TMP ; exit 1' 1 2 3 13 15

cp $MAKE ${MAKE}.bak

sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP

cat << _EOF_ >> $TMP
# DO NOT DELETE THIS LINE -- mkdep uses it.
# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.

_EOF_

# If your compiler doesn't have -M, add it.  If you can't, the next two
# lines will try and replace the "cc -M".  The real problem is that this
# hack can't deal with anything that requires a search path, and doesn't
# even try for anything using bracket (<>) syntax.
#
# egrep '^#include[ 	]*".*"' /dev/null $* |
# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |

if [ X"${VPATH}" != X ] ; then
    for arg in $* ; do
	case "$arg" in
	    -*)
		newargs="$newargs $arg"
		;;
	    *)
		newargs="$newargs $VPATH/$arg"
		;;
	esac
    done
else
    newargs="$*";
fi

MKDEPPROG="@MKDEPPROG@"
if [ X"${MKDEPPROG}" != X ]; then
    @SHELL@ -c "${MKDEPPROG} ${newargs}"
else
    @MKDEPCC@ @MKDEPCFLAGS@ ${newargs} |
    sed "
	s; \./; ;g
	@LIBTOOL_MKDEP_SED@
	$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
fi

cat << _EOF_ >> $TMP

# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
_EOF_

# copy to preserve permissions
cp $TMP $MAKE
rm -f ${MAKE}.bak $TMP
exit 0