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#!/bin/sh -
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#
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# Copyright (c) 1987 Regents of the University of California.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms are permitted
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# provided that the above copyright notice and this paragraph are
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# duplicated in all such forms and that any documentation,
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# advertising materials, and other materials related to such
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# distribution and use acknowledge that the software was developed
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# by the University of California, Berkeley. The name of the
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# University may not be used to endorse or promote products derived
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# from this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# @(#)mkdep.sh 5.12 (Berkeley) 6/30/88
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#
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MAKE=Makefile # default makefile name is "Makefile"
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while :
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do case "$1" in
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# -f allows you to select a makefile name
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-f)
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MAKE=$2
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shift; shift ;;
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# the -p flag produces "program: program.c" style dependencies
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# so .o's don't get produced
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-p)
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SED='s;\.o;;'
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shift ;;
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*)
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break ;;
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esac
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done
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if [ $# = 0 ] ; then
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echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
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exit 1
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fi
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if [ ! -w $MAKE ]; then
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echo "mkdep: no writeable file \"$MAKE\""
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exit 1
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fi
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TMP=/tmp/mkdep$$
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trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
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cp $MAKE ${MAKE}.bak
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sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
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cat << _EOF_ >> $TMP
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# DO NOT DELETE THIS LINE -- mkdep uses it.
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# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
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_EOF_
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# If your compiler doesn't have -M, add it. If you can't, the next two
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# lines will try and replace the "cc -M". The real problem is that this
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# hack can't deal with anything that requires a search path, and doesn't
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# even try for anything using bracket (<>) syntax.
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#
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# egrep '^#include[ ]*".*"' /dev/null $* |
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# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
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gcc -MM $* |
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sed "
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s; \./; ;g
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$SED" >> $TMP
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cat << _EOF_ >> $TMP
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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_EOF_
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# copy to preserve permissions
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cp $TMP $MAKE
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rm -f ${MAKE}.bak $TMP
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exit 0
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