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mkdep.old.compiler
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1993-08-24
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3KB
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128 lines
#!/bin/sh -
#
# Copyright (c) 1988 The 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.old.compiler 5.3 (Berkeley) 8/15/90
#
# This is a version of mkdep that works pretty well
# with compilers that don't have -M.
MAKE=Makefile # default makefile name is "Makefile"
PATH=/bin:/usr/bin:/usr/ucb:/lib:/usr/lib
INCL=
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_ >> $TMP
# DO NOT DELETE THIS LINE -- mkdep uses it.
# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
_EOF_
for i do
case "$i" in
-c|-M|-O)
;;
-I*)
INCL="$INCL $i";;
-D*|-U*)
FLAGS="$FLAGS $i";;
*)
# assume source file
# put '$dep' in front of dependencies
dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`
# Find includes, remove leading numerics, remove ./,
# remove double quotes, and remove trailing numerics.
# Sort that, discarding duplicates, and add '$dep'.
cpp $INCL $FLAGS "$i" | sed -e '
/^#/!d
s/# [0-9]* //
s,"./,",
s/"\(.*\)"/\1/
s/ [ 0-9]*$//' |
sort -u | sed -e "s/^/$dep: /";;
esac
done |
sed "
s; \./; ;g
/\.c:$/d
$SED" |
awk '{
if ($1 != prev) {
if (rec != "")
print rec;
rec = $0;
prev = $1;
}
else {
if (length(rec $2) > 78) {
print rec;
rec = $0;
}
else
rec = rec " " $2
}
}
END {
print rec
}' >> $TMP
cat << _EOF_ >> $TMP
# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
_EOF_
# copy to preserve permissions
cp $TMP $MAKE
rm -f $TMP
exit 0