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

1.1     ! deraadt     1: #!/bin/sh -
        !             2: #
        !             3: #      $NetBSD: mkdep.sh,v 1.3 1994/12/23 07:35:02 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.sh    8.1 (Berkeley) 6/6/93
        !            37: #
        !            38:
        !            39: PATH=/bin:/usr/bin:/usr/ucb:/usr/old/bin
        !            40: export PATH
        !            41:
        !            42: D=.depend                      # default dependency file is .depend
        !            43: append=0
        !            44:
        !            45: while :
        !            46:        do case "$1" in
        !            47:                # -a appends to the depend file
        !            48:                -a)
        !            49:                        append=1
        !            50:                        shift ;;
        !            51:
        !            52:                # -f allows you to select a makefile name
        !            53:                -f)
        !            54:                        D=$2
        !            55:                        shift; shift ;;
        !            56:
        !            57:                # the -p flag produces "program: program.c" style dependencies
        !            58:                # so .o's don't get produced
        !            59:                -p)
        !            60:                        SED='s;\.o ; ;'
        !            61:                        shift ;;
        !            62:                *)
        !            63:                        break ;;
        !            64:        esac
        !            65: done
        !            66:
        !            67: if [ $# = 0 ] ; then
        !            68:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
        !            69:        exit 1
        !            70: fi
        !            71:
        !            72: TMP=/tmp/mkdep$$
        !            73:
        !            74: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
        !            75:
        !            76: cc -M $* |
        !            77: sed "
        !            78:        s; \./; ;g
        !            79:        /\.c:$/d
        !            80:        $SED" |
        !            81: awk '{
        !            82:        if ($1 != prev) {
        !            83:                if (rec != "")
        !            84:                        print rec;
        !            85:                rec = $0;
        !            86:                prev = $1;
        !            87:        }
        !            88:        else {
        !            89:                if (length(rec $2) > 78) {
        !            90:                        print rec;
        !            91:                        rec = $0;
        !            92:                }
        !            93:                else
        !            94:                        rec = rec " " $2
        !            95:        }
        !            96: }
        !            97: END {
        !            98:        print rec
        !            99: }' > $TMP
        !           100:
        !           101: if [ $? != 0 ]; then
        !           102:        echo 'mkdep: compile failed.'
        !           103:        rm -f $TMP
        !           104:        exit 1
        !           105: fi
        !           106:
        !           107: if [ $append = 1 ]; then
        !           108:        cat $TMP >> $D
        !           109:        rm -f $TMP
        !           110: else
        !           111:        mv $TMP $D
        !           112: fi
        !           113: exit 0