116 lines
2.5 KiB
Plaintext
116 lines
2.5 KiB
Plaintext
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#!/bin/sh -
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#
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# Copyright (c) 1994, 1996
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# The Regents of the University of California. 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 this notice is preserved and that due credit is given
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# to the University of California at Berkeley. The name of the University
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# may not be used to endorse or promote products derived from this
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# software without specific prior written permission. This software
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# is provided ``as is'' without express or implied warranty.
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#
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# @(#)mkdep.sh 5.11 (Berkeley) 5/5/88
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#
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PATH=/bin:/usr/bin:/usr/ucb:/usr/local:/usr/local/bin:/usr/sfw/bin
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export PATH
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MAKE=Makefile # default makefile name is "Makefile"
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CC=cc # default C compiler is "cc"
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DEPENDENCY_CFLAG=-M # default dependency-generation flag is -M
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while :
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do case "$1" in
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# -c allows you to specify the C compiler
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-c)
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CC=$2
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shift; shift ;;
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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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# -m allows you to specify the dependency-generation flag
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-m)
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DEPENDENCY_CFLAG=$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] [-c cc] [-f makefile] [-m dependency-cflag] [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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# XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait"
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$CC $DEPENDENCY_CFLAG $* |
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sed "
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s; \./; ;g
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$SED" |
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awk '{
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if ($1 != prev) {
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if (rec != "")
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print rec;
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rec = $0;
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prev = $1;
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}
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else {
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if (length(rec $2) > 78) {
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print rec;
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rec = $0;
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}
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else
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rec = rec " " $2
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}
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}
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END {
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print rec
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}' >> $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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