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Annotation of 43BSDReno/pgrm/mkdep/mkdep.old.compiler, revision 1.1

1.1     ! root        1: #!/bin/sh -
        !             2: #
        !             3: # Copyright (c) 1988 The 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.old.compiler       5.2 (Berkeley) 10/24/88
        !            19: #
        !            20: 
        !            21: # This is a version of mkdep that works pretty well
        !            22: # with compilers that don't have -M.
        !            23: 
        !            24: PATH=/bin:/usr/bin:/usr/ucb:/lib:/usr/lib
        !            25: 
        !            26: INCL=
        !            27: D=.depend
        !            28: append=0
        !            29: 
        !            30: while :
        !            31:        do case "$1" in
        !            32:                # -a appends to the depend file
        !            33:                -a)
        !            34:                        append=1
        !            35:                        shift ;;
        !            36: 
        !            37:                # -f allows you to select a makefile name
        !            38:                -f)
        !            39:                        D=$2
        !            40:                        shift; shift ;;
        !            41: 
        !            42:                # the -p flag produces "program: program.c" style dependencies
        !            43:                # so .o's don't get produced
        !            44:                -p)
        !            45:                        SED='s;\.o;;'
        !            46:                        shift ;;
        !            47:                *)
        !            48:                        break ;;
        !            49:        esac
        !            50: done
        !            51: 
        !            52: if [ $# = 0 ] ; then
        !            53:        echo 'usage: mkdep [-f depend_file] [cc_flags] file ...'
        !            54:        exit 1
        !            55: fi
        !            56: 
        !            57: TMP=/tmp/mkdep$$
        !            58: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
        !            59: 
        !            60: for i do
        !            61:        case "$i" in
        !            62:        -c|-M)
        !            63:                ;;
        !            64:        -I*)
        !            65:                INCL="$INCL $i";;
        !            66:        -D*|-O|-U*)
        !            67:                FLAGS="$FLAGS $i";;
        !            68:        *)
        !            69:                # assume source file
        !            70:                # put '$dep' in front of dependencies
        !            71:                dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`
        !            72: 
        !            73:                # Find includes, remove leading numerics, remove ./,
        !            74:                # remove double quotes, and remove trailing numerics.
        !            75:                # Sort that, discarding duplicates, and add '$dep'.
        !            76:                cpp $INCL $FLAGS "$i" | sed -e '
        !            77:                        /^#/!d
        !            78:                        s/# [0-9]* //
        !            79:                        s,"./,",
        !            80:                        s/"\(.*\)"/\1/
        !            81:                        s/ [ 0-9]*$//' |
        !            82:                sort -u | sed -e "s/^/$dep: /";;
        !            83:        esac
        !            84: done |
        !            85: sed "
        !            86:        s; \./; ;g
        !            87:        /\.c:$/d
        !            88:        $SED" |
        !            89: awk '{
        !            90:        if ($1 != prev) {
        !            91:                if (rec != "")
        !            92:                        print rec;
        !            93:                rec = $0;
        !            94:                prev = $1;
        !            95:        }
        !            96:        else {
        !            97:                if (length(rec $2) > 78) {
        !            98:                        print rec;
        !            99:                        rec = $0;
        !           100:                }
        !           101:                else
        !           102:                        rec = rec " " $2
        !           103:        }
        !           104: }
        !           105: END {
        !           106:        print rec
        !           107: }' > $TMP
        !           108: 
        !           109: if [ $append = 1 ]; then
        !           110:        cat $TMP >> $D
        !           111:        rm -f $TMP
        !           112: else
        !           113:        mv $TMP $D
        !           114: fi
        !           115: exit 0

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