less, makedepend

[Chris Torek]

Here is Berkeley's mkdep (/usr/src/usr.bin/mkdep.sh, /usr/bin/mkdep),
and a shell script of my own (`getdep') to try if you do not have a
`-M' option or equivalent.

: Run this shell script with "sh" not "csh"
PATH=/bin:/usr/bin:/usr/ucb:/etc:$PATH
export PATH
all=false
if [ x$1 = x-a ]; then
	all=true
fi
echo Extracting getdep.sh
sed 's/^X//' <<'//go.sysin dd *' >getdep.sh
X#! /bin/sh
X#
X# getdep - get dependency lists.
X
X# find cpp
Xcpp=/lib/cpp
X
X# handle arguments
Xincl=
Xfor i
Xdo
X	case "$i" in
X	-I*)
X		incl="$incl $i";;
X	-O|-c|-M|-D*|-U*)
X		;;
X	*)
X		# assume source file
X		# put '$dep' in front of dependencies
X		dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`
X		# Find includes, remove leading numerics, remove ./,
X		# remove double quotes, and remove trailing numerics.
X		# Sort that, discarding duplicates, and add '$dep'.
X		$cpp $incl "$i" | grep "^#" |
X		sed -e 's/# [0-9]* //' -e 's,"./,",' -e 's/"\(.*\)"/\1/' \
X		    -e 's/ [ 0-9]*$//' |
X		sort -u | sed -e "s/^/$dep: /";;
X	esac
Xdone
//go.sysin dd *
if [ `wc -c < getdep.sh` != 625 ]; then
	made=false
	echo error transmitting getdep.sh --
	echo length should be 625, not `wc -c < getdep.sh`
else
	made=true
fi
if $made; then
	chmod 644 getdep.sh
	echo -n '	'; ls -ld getdep.sh
fi
echo Extracting mkdep.sh
sed 's/^X//' <<'//go.sysin dd *' >mkdep.sh
X#!/bin/sh -
X#
X# Copyright (c) 1987 Regents of the University of California.
X# All rights reserved.
X#
X# Redistribution and use in source and binary forms are permitted
X# provided that the above copyright notice and this paragraph are
X# duplicated in all such forms and that any documentation,
X# advertising materials, and other materials related to such
X# distribution and use acknowledge that the software was developed
X# by the University of California, Berkeley.  The name of the
X# University may not be used to endorse or promote products derived
X# from this software without specific prior written permission.
X# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
X# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
X# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
X#
X#	@(#)mkdep.sh	5.12 (Berkeley) 6/30/88
X#
XPATH=/bin:/usr/bin:/usr/ucb
Xexport PATH
X
XMAKE=Makefile			# default makefile name is "Makefile"
X
Xwhile :
X	do case "$1" in
X		# -f allows you to select a makefile name
X		-f)
X			MAKE=$2
X			shift; shift ;;
X
X		# the -p flag produces "program: program.c" style dependencies
X		# so .o's don't get produced
X		-p)
X			SED='s;\.o;;'
X			shift ;;
X		*)
X			break ;;
X	esac
Xdone
X
Xif [ $# = 0 ] ; then
X	echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
X	exit 1
Xfi
X
Xif [ ! -w $MAKE ]; then
X	echo "mkdep: no writeable file \"$MAKE\""
X	exit 1
Xfi
X
XTMP=/tmp/mkdep$$
X
Xtrap 'rm -f $TMP ; exit 1' 1 2 3 13 15
X
Xcp $MAKE ${MAKE}.bak
X
Xsed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
X
Xcat << _EOF_ >> $TMP
X# DO NOT DELETE THIS LINE -- mkdep uses it.
X# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
X
X_EOF_
X
X# If your compiler doesn't have -M, add it.  If you can't, the next two
X# lines will try and replace the "cc -M".  The real problem is that this
X# hack can't deal with anything that requires a search path, and doesn't
X# even try for anything using bracket (<>) syntax.
X#
X# egrep '^#include[ 	]*".*"' /dev/null $* |
X# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
X
Xcc -M $* |
Xsed "
X	s; \./; ;g
X	$SED" |
Xawk '{
X	if ($1 != prev) {
X		if (rec != "")
X			print rec;
X		rec = $0;
X		prev = $1;
X	}
X	else {
X		if (length(rec $2) > 78) {
X			print rec;
X			rec = $0;
X		}
X		else
X			rec = rec " " $2
X	}
X}
XEND {
X	print rec
X}' >> $TMP
X
Xcat << _EOF_ >> $TMP
X
X# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
X_EOF_
X
X# copy to preserve permissions
Xcp $TMP $MAKE
Xrm -f ${MAKE}.bak $TMP
Xexit 0
//go.sysin dd *
if [ `wc -c < mkdep.sh` != 2422 ]; then
	made=false
	echo error transmitting mkdep.sh --
	echo length should be 2422, not `wc -c < mkdep.sh`
else
	made=true
fi
if $made; then
	chmod 444 mkdep.sh
	echo -n '	'; ls -ld mkdep.sh
fi
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris at mimsy.umd.edu	Path:	uunet!mimsy!chris