source: trunk/third/bind/make/mkdep.in @ 16985

#!/bin/sh -

## ++Copyright++ 1987
## -
## Copyright (c) 1987 Regents of the University of California.
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## modification, are permitted provided that the following conditions
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##    notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
##    notice, this list of conditions and the following disclaimer in the
##    documentation and/or other materials provided with the distribution.
## 3. All advertising materials mentioning features or use of this software
##    must display the following acknowledgement:
## This product includes software developed by the University of
## California, Berkeley and its contributors.
## 4. Neither the name of the University nor the names of its contributors
##    may be used to endorse or promote products derived from this software
##    without specific prior written permission.
## THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
## -
## Portions Copyright (c) 1993 by Digital Equipment Corporation.
##
## Permission to use, copy, modify, and distribute this software for any
## purpose with or without fee is hereby granted, provided that the above
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## -
## --Copyright--

#
#       @(#)mkdep.sh    5.12 (Berkeley) 6/30/88
#

MAKE=Makefile                   # default makefile name is "Makefile"

while :
        do case "$1" in
                # -f allows you to select a makefile name
                -f)
                        MAKE=$2
                        shift; shift ;;

                # the -p flag produces "program: program.c" style dependencies
                # so .o's don't get produced
                -p)
                        SED='s;\.o;;'
                        shift ;;
                *)
                        break ;;
        esac
done

if [ $# = 0 ] ; then
        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
        exit 1
fi

if [ ! -w $MAKE ]; then
        echo "mkdep: no writeable file \"$MAKE\""
        exit 1
fi

TMP=mkdep$$

trap 'rm -f $TMP ; exit 1' 1 2 3 13 15

cp $MAKE ${MAKE}.bak

sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP

cat << _EOF_ >> $TMP
# DO NOT DELETE THIS LINE -- mkdep uses it.
# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.

_EOF_

# If your compiler doesn't have -M, add it.  If you can't, the next two
# lines will try and replace the "cc -M".  The real problem is that this
# hack can't deal with anything that requires a search path, and doesn't
# even try for anything using bracket (<>) syntax.
#
# egrep '^#include[     ]*".*"' /dev/null $* |
# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |

MKDEPPROG="@MKDEPPROG@"
if [ X"${MKDEPPROG}" != X ]; then
    @SHELL@ -c "${MKDEPPROG} $*"
else
    @MKDEPCC@ @MKDEPCFLAGS@ $* |
    sed "
        s; \./; ;g
        @LIBTOOL_MKDEP_SED@
        $SED" |
    awk '{
        if ($1 != prev) {
                if (rec != "")
                        print rec;
                rec = $0;
                prev = $1;
        }
        else {
                if (length(rec $2) > 78) {
                        print rec;
                        rec = $0;
                }
                else
                        rec = rec " " $2
        }
    }
    END {
        print rec
    }' >> $TMP
fi

cat << _EOF_ >> $TMP

# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
_EOF_

# copy to preserve permissions
cp $TMP $MAKE
rm -f ${MAKE}.bak $TMP
exit 0