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Annotation of src/usr.bin/mkdep/mkdep.old.compiler, Revision 1.2

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.2     ! deraadt     3: #      $OpenBSD: mkdep.old.compiler,v 1.2 1994/12/23 07:35:00 jtc Exp $
1.1       deraadt     4: #      $NetBSD: mkdep.old.compiler,v 1.2 1994/12/23 07:35:00 jtc Exp $
                      5: #
                      6: # Copyright (c) 1991, 1993
                      7: #      The Regents of the University of California.  All rights reserved.
                      8: #
                      9: # Redistribution and use in source and binary forms, with or without
                     10: # modification, are permitted provided that the following conditions
                     11: # are met:
                     12: # 1. Redistributions of source code must retain the above copyright
                     13: #    notice, this list of conditions and the following disclaimer.
                     14: # 2. Redistributions in binary form must reproduce the above copyright
                     15: #    notice, this list of conditions and the following disclaimer in the
                     16: #    documentation and/or other materials provided with the distribution.
                     17: # 3. All advertising materials mentioning features or use of this software
                     18: #    must display the following acknowledgement:
                     19: #      This product includes software developed by the University of
                     20: #      California, Berkeley and its contributors.
                     21: # 4. Neither the name of the University nor the names of its contributors
                     22: #    may be used to endorse or promote products derived from this software
                     23: #    without specific prior written permission.
                     24: #
                     25: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35: # SUCH DAMAGE.
                     36: #
                     37: #      @(#)mkdep.old.compiler  8.1 (Berkeley) 6/6/93
                     38: #
                     39:
                     40: # This is a version of mkdep that works pretty well
                     41: # with compilers that don't have -M.
                     42: MAKE=Makefile                  # default makefile name is "Makefile"
                     43:
                     44: PATH=/bin:/usr/bin:/usr/ucb:/lib:/usr/lib
                     45:
                     46: INCL=
                     47:
                     48: while :
                     49:        do case "$1" in
                     50:                # -f allows you to select a makefile name
                     51:                -f)
                     52:                        MAKE=$2
                     53:                        shift; shift ;;
                     54:
                     55:                # the -p flag produces "program: program.c" style dependencies
                     56:                # so .o's don't get produced
                     57:                -p)
                     58:                        SED='s;\.o;;'
                     59:                        shift ;;
                     60:                *)
                     61:                        break ;;
                     62:        esac
                     63: done
                     64:
                     65: if [ $# = 0 ] ; then
                     66:        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
                     67:        exit 1
                     68: fi
                     69:
                     70: if [ ! -w $MAKE ]; then
                     71:        echo "mkdep: no writeable file \"$MAKE\""
                     72:        exit 1
                     73: fi
                     74:
                     75: TMP=/tmp/mkdep$$
                     76:
                     77: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
                     78:
                     79: cp $MAKE ${MAKE}.bak
                     80: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
                     81:
                     82: cat << _EOF_ >> $TMP
                     83: # DO NOT DELETE THIS LINE -- mkdep uses it.
                     84: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
                     85:
                     86: _EOF_
                     87:
                     88:
                     89: for i do
                     90:        case "$i" in
                     91:        -c|-M|-O)
                     92:                ;;
                     93:        -I*)
                     94:                INCL="$INCL $i";;
                     95:        -D*|-U*)
                     96:                FLAGS="$FLAGS $i";;
                     97:        *)
                     98:                # assume source file
                     99:                # put '$dep' in front of dependencies
                    100:                dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`
                    101:
                    102:                # Find includes, remove leading numerics, remove ./,
                    103:                # remove double quotes, and remove trailing numerics.
                    104:                # Sort that, discarding duplicates, and add '$dep'.
                    105:                cpp $INCL $FLAGS "$i" | sed -e '
                    106:                        /^#/!d
                    107:                        s/# [0-9]* //
                    108:                        s,"./,",
                    109:                        s/"\(.*\)"/\1/
                    110:                        s/ [ 0-9]*$//' |
                    111:                sort -u | sed -e "s/^/$dep: /";;
                    112:        esac
                    113: done |
                    114: sed "
                    115:        s; \./; ;g
                    116:        /\.c:$/d
                    117:        $SED" |
                    118: awk '{
                    119:        if ($1 != prev) {
                    120:                if (rec != "")
                    121:                        print rec;
                    122:                rec = $0;
                    123:                prev = $1;
                    124:        }
                    125:        else {
                    126:                if (length(rec $2) > 78) {
                    127:                        print rec;
                    128:                        rec = $0;
                    129:                }
                    130:                else
                    131:                        rec = rec " " $2
                    132:        }
                    133: }
                    134: END {
                    135:        print rec
                    136: }' >> $TMP
                    137:
                    138: cat << _EOF_ >> $TMP
                    139:
                    140: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
                    141: _EOF_
                    142:
                    143: # copy to preserve permissions
                    144: cp $TMP $MAKE
                    145: rm -f $TMP
                    146: exit 0