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Annotation of sbbs/src/build/mkdep, revision 1.1

1.1     ! root        1: #!/bin/sh -
        !             2: #
        !             3: # Copyright (c) 1991, 1993
        !             4: #      The Regents of the University of California.  All rights reserved.
        !             5: #
        !             6: # Redistribution and use in source and binary forms, with or without
        !             7: # modification, are permitted provided that the following conditions
        !             8: # are met:
        !             9: # 1. Redistributions of source code must retain the above copyright
        !            10: #    notice, this list of conditions and the following disclaimer.
        !            11: # 2. Redistributions in binary form must reproduce the above copyright
        !            12: #    notice, this list of conditions and the following disclaimer in the
        !            13: #    documentation and/or other materials provided with the distribution.
        !            14: # 3. All advertising materials mentioning features or use of this software
        !            15: #    must display the following acknowledgement:
        !            16: #      This product includes software developed by the University of
        !            17: #      California, Berkeley and its contributors.
        !            18: # 4. Neither the name of the University nor the names of its contributors
        !            19: #    may be used to endorse or promote products derived from this software
        !            20: #    without specific prior written permission.
        !            21: #
        !            22: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            23: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            24: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            25: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            26: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            27: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            28: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            29: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            30: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            31: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            32: # SUCH DAMAGE.
        !            33: #
        !            34: #      @(#)mkdep.gcc.sh        8.1 (Berkeley) 6/6/93
        !            35: # $FreeBSD: src/usr.bin/mkdep/mkdep.gcc.sh,v 1.18 1999/08/28 01:04:04 peter Exp $
        !            36: 
        !            37: D=.depend                      # default dependency file is .depend
        !            38: append=0
        !            39: pflag=
        !            40: outpath=.
        !            41: objfile=
        !            42: outfile=
        !            43: ALL_ARGS=
        !            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:                        pflag=p
        !            61:                        shift ;;
        !            62:                -MMD)
        !            63:                        shift;;
        !            64:                -o)
        !            65:                        outfile=$2
        !            66:                        objfile=`echo $outfile | sed -e 's;gcc.*/;;g'`
        !            67:                        outpath=`echo $outfile | sed -e 's;/[^/]*;;g'`
        !            68:                        D=$outpath\/$D
        !            69:                        shift; shift ;;
        !            70:                        
        !            71:                *)
        !            72:                        ALL_ARGS="$ALL_ARGS $1"
        !            73:                        shift ;;
        !            74:        esac
        !            75:        test -z "$1" && break
        !            76: done
        !            77: 
        !            78: TMP=_mkdep$$
        !            79: trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
        !            80: trap 'rm -f $TMP' 0
        !            81: 
        !            82: # For C sources, mkdep must use exactly the same cpp and predefined flags
        !            83: # as the compiler would.  This is easily arranged by letting the compiler
        !            84: # pick the cpp.  mkdep must be told the cpp to use for exceptional cases.
        !            85: CC=${CC-"cc"}
        !            86: MKDEP_CPP=${MKDEP_CPP-"${CC} -E"}
        !            87: MKDEP_CPP_OPTS=${MKDEP_CPP_OPTS-"-M"};
        !            88: 
        !            89: echo "# $@" > $TMP     # store arguments for debugging
        !            90: 
        !            91: if $MKDEP_CPP $MKDEP_CPP_OPTS $ALL_ARGS | sed -e "s;$objfile:;$outfile:;g;" >> $TMP; then :
        !            92: else
        !            93:        echo 'mkdep: compile failed' >&2
        !            94:        exit 1
        !            95: fi
        !            96: 
        !            97: case x$pflag in
        !            98:        x) case $append in 
        !            99:                0) sed -e 's; \./; ;g' < $TMP >  $D;;
        !           100:                *) sed -e 's; \./; ;g' < $TMP >> $D;;
        !           101:           esac
        !           102:        ;;      
        !           103:        *) case $append in 
        !           104:                0) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >  $D;;
        !           105:                *) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >> $D;;
        !           106:           esac
        !           107:        ;;
        !           108: esac
        !           109: 
        !           110: exit $?

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