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Annotation of 43BSDReno/pgrm/mkdep/mkdep.sh, revision 1.1

1.1     ! root        1: #!/bin/sh -
        !             2: #
        !             3: # Copyright (c) 1987 Regents of the University of California.
        !             4: # All rights reserved.
        !             5: #
        !             6: # Redistribution and use in source and binary forms are permitted
        !             7: # provided that the above copyright notice and this paragraph are
        !             8: # duplicated in all such forms and that any documentation,
        !             9: # advertising materials, and other materials related to such
        !            10: # distribution and use acknowledge that the software was developed
        !            11: # by the University of California, Berkeley.  The name of the
        !            12: # University may not be used to endorse or promote products derived
        !            13: # from this software without specific prior written permission.
        !            14: # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            15: # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            16: # WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: #
        !            18: #      @(#)mkdep.sh    5.18 (Berkeley) 3/5/89
        !            19: #
        !            20: PATH=/bin:/usr/bin:/usr/ucb
        !            21: export PATH
        !            22: 
        !            23: D=.depend                      # default dependency file is .depend
        !            24: append=0
        !            25: 
        !            26: while :
        !            27:        do case "$1" in
        !            28:                # -a appends to the depend file
        !            29:                -a)
        !            30:                        append=1
        !            31:                        shift ;;
        !            32: 
        !            33:                # -f allows you to select a makefile name
        !            34:                -f)
        !            35:                        D=$2
        !            36:                        shift; shift ;;
        !            37: 
        !            38:                # the -p flag produces "program: program.c" style dependencies
        !            39:                # so .o's don't get produced
        !            40:                -p)
        !            41:                        SED='s;\.o;;'
        !            42:                        shift ;;
        !            43:                *)
        !            44:                        break ;;
        !            45:        esac
        !            46: done
        !            47: 
        !            48: if [ $# = 0 ] ; then
        !            49:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
        !            50:        exit 1
        !            51: fi
        !            52: 
        !            53: TMP=/tmp/mkdep$$
        !            54: 
        !            55: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
        !            56: 
        !            57: cc -M $* |
        !            58: sed "
        !            59:        s; \./; ;g
        !            60:        /\.c:$/d
        !            61:        $SED" |
        !            62: awk '{
        !            63:        if ($1 != prev) {
        !            64:                if (rec != "")
        !            65:                        print rec;
        !            66:                rec = $0;
        !            67:                prev = $1;
        !            68:        }
        !            69:        else {
        !            70:                if (length(rec $2) > 78) {
        !            71:                        print rec;
        !            72:                        rec = $0;
        !            73:                }
        !            74:                else
        !            75:                        rec = rec " " $2
        !            76:        }
        !            77: }
        !            78: END {
        !            79:        print rec
        !            80: }' > $TMP
        !            81: 
        !            82: if [ $? != 0 ]; then
        !            83:        echo 'mkdep: compile failed.'
        !            84:        rm -f $TMP
        !            85:        exit 1
        !            86: fi
        !            87: 
        !            88: if [ $append = 1 ]; then
        !            89:        cat $TMP >> $D
        !            90:        rm -f $TMP
        !            91: else
        !            92:        mv $TMP $D
        !            93: fi
        !            94: exit 0

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