[gcc.git] / mkdep

#!/bin/sh -
#
# Copyright (c) 1987 Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation,
# advertising materials, and other materials related to such
# distribution and use acknowledge that the software was developed
# by the University of California, Berkeley.  The name of the
# University may not be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#	@(#)mkdep.sh	5.12 (Berkeley) 6/30/88
#

MAKE=Makefile			# default makefile name is "Makefile"

while :
	do case "$1" in
		# -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 [-p] [-f makefile] [flags] file ...'
	exit 1
fi

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

TMP=/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/' |

gcc -MM $* |
sed "
	s; \./; ;g
	$SED" >> $TMP

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
Commit	Line	Data
d207ebef JM	1	#!/bin/sh -
	2	#
	3	# Copyright (c) 1987 Regents of the University of California.
	4	# All rights reserved.
	5	#
	6	# Redistribution and use in source and binary forms are permitted
	7	# provided that the above copyright notice and this paragraph are
	8	# duplicated in all such forms and that any documentation,
	9	# advertising materials, and other materials related to such
	10	# distribution and use acknowledge that the software was developed
	11	# by the University of California, Berkeley. The name of the
	12	# University may not be used to endorse or promote products derived
	13	# from this software without specific prior written permission.
	14	# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	15	# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	16	# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	17	#
	18	# @(#)mkdep.sh 5.12 (Berkeley) 6/30/88
	19	#
	20
	21	MAKE=Makefile # default makefile name is "Makefile"
	22
	23	while :
	24	do case "$1" in
	25	# -f allows you to select a makefile name
	26	-f)
	27	MAKE=$2
	28	shift; shift ;;
	29
	30	# the -p flag produces "program: program.c" style dependencies
	31	# so .o's don't get produced
	32	-p)
	33	SED='s;\.o;;'
	34	shift ;;
	35	*)
	36	break ;;
	37	esac
	38	done
	39
	40	if [ $# = 0 ] ; then
	41	echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
	42	exit 1
	43	fi
	44
	45	if [ ! -w $MAKE ]; then
	46	echo "mkdep: no writeable file \"$MAKE\""
	47	exit 1
	48	fi
	49
	50	TMP=/tmp/mkdep$$
	51
	52	trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
	53
	54	cp $MAKE ${MAKE}.bak
	55
	56	sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
	57
	58	cat << _EOF_ >> $TMP
	59	# DO NOT DELETE THIS LINE -- mkdep uses it.
	60	# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
	61
	62	_EOF_
	63
	64	# If your compiler doesn't have -M, add it. If you can't, the next two
65	# lines will try and replace the "cc -M". The real problem is that this
66	# hack can't deal with anything that requires a search path, and doesn't
67	# even try for anything using bracket (<>) syntax.
68	#
69	# egrep '^#include[ ]"."' /dev/null $* \|
70	# sed -e 's/:[^"]"\([^"]\)".*/: \1/' -e 's/\.c/.o/' \|
71
72	gcc -MM $* \|
73	sed "
74	s; \./; ;g
75	$SED" >> $TMP
76
77	cat << _EOF_ >> $TMP
78
79	# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
80	_EOF_
81
82	# copy to preserve permissions
83	cp $TMP $MAKE
84	rm -f ${MAKE}.bak $TMP
85	exit 0
86
87