117683Spst#!/bin/sh -
217683Spst#
317683Spst# Copyright (c) 1994, 1996
417683Spst#	The Regents of the University of California.  All rights reserved.
517683Spst#
617683Spst# Redistribution and use in source and binary forms are permitted
717683Spst# provided that this notice is preserved and that due credit is given
817683Spst# to the University of California at Berkeley. The name of the University
917683Spst# may not be used to endorse or promote products derived from this
1017683Spst# software without specific prior written permission. This software
1117683Spst# is provided ``as is'' without express or implied warranty.
1217683Spst#
1317683Spst#	@(#)mkdep.sh	5.11 (Berkeley) 5/5/88
1417683Spst#
1517683Spst
16190225SrpauloPATH=/bin:/usr/bin:/usr/ucb:/usr/local:/usr/local/bin:/usr/sfw/bin
1717683Spstexport PATH
1817683Spst
1917683SpstMAKE=Makefile			# default makefile name is "Makefile"
2017683SpstCC=cc				# default C compiler is "cc"
2117683Spst
2217683Spstwhile :
2317683Spst	do case "$1" in
2417683Spst		# -c allows you to specify the C compiler
2517683Spst		-c)
2617683Spst			CC=$2
2717683Spst			shift; shift ;;
2817683Spst
2917683Spst		# -f allows you to select a makefile name
3017683Spst		-f)
3117683Spst			MAKE=$2
3217683Spst			shift; shift ;;
3317683Spst
3417683Spst		# the -p flag produces "program: program.c" style dependencies
3517683Spst		# so .o's don't get produced
3617683Spst		-p)
3717683Spst			SED='s;\.o;;'
3817683Spst			shift ;;
3917683Spst		*)
4017683Spst			break ;;
4117683Spst	esac
4217683Spstdone
4317683Spst
4417683Spstif [ $# = 0 ] ; then
4517683Spst	echo 'usage: mkdep [-p] [-c cc] [-f makefile] [flags] file ...'
4617683Spst	exit 1
4717683Spstfi
4817683Spst
4917683Spstif [ ! -w $MAKE ]; then
5017683Spst	echo "mkdep: no writeable file \"$MAKE\""
5117683Spst	exit 1
5217683Spstfi
5317683Spst
5417683SpstTMP=/tmp/mkdep$$
5517683Spst
5617683Spsttrap 'rm -f $TMP ; exit 1' 1 2 3 13 15
5717683Spst
5817683Spstcp $MAKE ${MAKE}.bak
5917683Spst
6017683Spstsed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
6117683Spst
6217683Spstcat << _EOF_ >> $TMP
6317683Spst# DO NOT DELETE THIS LINE -- mkdep uses it.
6417683Spst# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
6517683Spst
6617683Spst_EOF_
6717683Spst
6817683Spst# If your compiler doesn't have -M, add it.  If you can't, the next two
6917683Spst# lines will try and replace the "cc -M".  The real problem is that this
7017683Spst# hack can't deal with anything that requires a search path, and doesn't
7117683Spst# even try for anything using bracket (<>) syntax.
7217683Spst#
7317683Spst# egrep '^#include[ 	]*".*"' /dev/null $* |
7417683Spst# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
7517683Spst
7617683Spst# XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait"
7717683Spst$CC -M $* |
7817683Spstsed "
7917683Spst	s; \./; ;g
8017683Spst	$SED" |
8117683Spstawk '{
8217683Spst	if ($1 != prev) {
8317683Spst		if (rec != "")
8417683Spst			print rec;
8517683Spst		rec = $0;
8617683Spst		prev = $1;
8717683Spst	}
8817683Spst	else {
8917683Spst		if (length(rec $2) > 78) {
9017683Spst			print rec;
9117683Spst			rec = $0;
9217683Spst		}
9317683Spst		else
9417683Spst			rec = rec " " $2
9517683Spst	}
9617683Spst}
9717683SpstEND {
9817683Spst	print rec
9917683Spst}' >> $TMP
10017683Spst
10117683Spstcat << _EOF_ >> $TMP
10217683Spst
10317683Spst# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
10417683Spst_EOF_
10517683Spst
10617683Spst# copy to preserve permissions
10717683Spstcp $TMP $MAKE
10817683Spstrm -f ${MAKE}.bak $TMP
10917683Spstexit 0
110