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Annotation of src/usr.bin/mkdep/mkdep.old.compiler, Revision 1.1

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