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Annotation of src/usr.bin/mkdep/mkdep.ultrix, Revision 1.1

1.1     ! deraadt     1: #!/bin/sh -
        !             2: #
        !             3: #      $NetBSD: mkdep.ultrix,v 1.2 1994/12/23 07:35:04 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.ultrix        8.1 (Berkeley) 6/6/93
        !            37: #
        !            38:
        !            39: PATH=/bin:/usr/bin:/usr/ucb
        !            40: export PATH
        !            41:
        !            42: MAKE=Makefile                  # default makefile name is "Makefile"
        !            43:
        !            44: while :
        !            45:        do case "$1" in
        !            46:                # -f allows you to select a makefile name
        !            47:                -f)
        !            48:                        MAKE=$2
        !            49:                        shift; shift ;;
        !            50:
        !            51:                # the -p flag produces "program: program.c" style dependencies
        !            52:                # so .o's don't get produced
        !            53:                -p)
        !            54:                        SED='s;\.o;;'
        !            55:                        shift ;;
        !            56:                *)
        !            57:                        break ;;
        !            58:        esac
        !            59: done
        !            60:
        !            61: if [ $# = 0 ] ; then
        !            62:        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
        !            63:        exit 1
        !            64: fi
        !            65:
        !            66: if [ ! -w $MAKE ]; then
        !            67:        echo "mkdep: no writeable file \"$MAKE\""
        !            68:        exit 1
        !            69: fi
        !            70:
        !            71: TMP=/tmp/mkdep$$
        !            72:
        !            73: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
        !            74:
        !            75: cp $MAKE ${MAKE}.bak
        !            76:
        !            77: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
        !            78:
        !            79: cat << _EOF_ >> $TMP
        !            80: # DO NOT DELETE THIS LINE -- mkdep uses it.
        !            81: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
        !            82:
        !            83: _EOF_
        !            84:
        !            85: # If your compiler doesn't have -M, add it.  If you can't, the next two
        !            86: # lines will try and replace the "cc -M".  The real problem is that this
        !            87: # hack can't deal with anything that requires a search path, and doesn't
        !            88: # even try for anything using bracket (<>) syntax.
        !            89: #
        !            90: # egrep '^#include[    ]*".*"' /dev/null $* |
        !            91: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
        !            92:
        !            93: # Ultrix has already used -M for something else.
        !            94: cc -Em $* |
        !            95: sed "
        !            96:        s; \./; ;g
        !            97:        $SED" |
        !            98: awk '{
        !            99:        if ($1 != prev) {
        !           100:                if (rec != "")
        !           101:                        print rec;
        !           102:                rec = $0;
        !           103:                prev = $1;
        !           104:        }
        !           105:        else {
        !           106:                if (length(rec $2) > 78) {
        !           107:                        print rec;
        !           108:                        rec = $0;
        !           109:                }
        !           110:                else
        !           111:                        rec = rec " " $2
        !           112:        }
        !           113: }
        !           114: END {
        !           115:        print rec
        !           116: }' >> $TMP
        !           117:
        !           118: cat << _EOF_ >> $TMP
        !           119:
        !           120: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
        !           121: _EOF_
        !           122:
        !           123: # copy to preserve permissions
        !           124: cp $TMP $MAKE
        !           125: rm -f ${MAKE}.bak $TMP
        !           126: exit 0