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[unix-history] / usr / src / usr.bin / mkdep / mkdep.old.compiler

#!/bin/sh -
#
# Copyright (c) 1991 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#       This product includes software developed by the University of
#       California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#       @(#)mkdep.old.compiler  5.4 (Berkeley) 4/12/91
#

# 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