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      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 
     88