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Annotation of src/usr.bin/mkdep/mkdep.ultrix, Revision 1.1.1.1

1.1       deraadt     1: #!/bin/sh -
                      2: #
                      3: #      $NetBSD: mkdep.ultrix,v 1.2 1994/12/23 07:35:04 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.ultrix        8.1 (Berkeley) 6/6/93
                     37: #
                     38:
                     39: PATH=/bin:/usr/bin:/usr/ucb
                     40: export PATH
                     41:
                     42: MAKE=Makefile                  # default makefile name is "Makefile"
                     43:
                     44: while :
                     45:        do case "$1" in
                     46:                # -f allows you to select a makefile name
                     47:                -f)
                     48:                        MAKE=$2
                     49:                        shift; shift ;;
                     50:
                     51:                # the -p flag produces "program: program.c" style dependencies
                     52:                # so .o's don't get produced
                     53:                -p)
                     54:                        SED='s;\.o;;'
                     55:                        shift ;;
                     56:                *)
                     57:                        break ;;
                     58:        esac
                     59: done
                     60:
                     61: if [ $# = 0 ] ; then
                     62:        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
                     63:        exit 1
                     64: fi
                     65:
                     66: if [ ! -w $MAKE ]; then
                     67:        echo "mkdep: no writeable file \"$MAKE\""
                     68:        exit 1
                     69: fi
                     70:
                     71: TMP=/tmp/mkdep$$
                     72:
                     73: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
                     74:
                     75: cp $MAKE ${MAKE}.bak
                     76:
                     77: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
                     78:
                     79: cat << _EOF_ >> $TMP
                     80: # DO NOT DELETE THIS LINE -- mkdep uses it.
                     81: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
                     82:
                     83: _EOF_
                     84:
                     85: # If your compiler doesn't have -M, add it.  If you can't, the next two
                     86: # lines will try and replace the "cc -M".  The real problem is that this
                     87: # hack can't deal with anything that requires a search path, and doesn't
                     88: # even try for anything using bracket (<>) syntax.
                     89: #
                     90: # egrep '^#include[    ]*".*"' /dev/null $* |
                     91: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
                     92:
                     93: # Ultrix has already used -M for something else.
                     94: cc -Em $* |
                     95: sed "
                     96:        s; \./; ;g
                     97:        $SED" |
                     98: awk '{
                     99:        if ($1 != prev) {
                    100:                if (rec != "")
                    101:                        print rec;
                    102:                rec = $0;
                    103:                prev = $1;
                    104:        }
                    105:        else {
                    106:                if (length(rec $2) > 78) {
                    107:                        print rec;
                    108:                        rec = $0;
                    109:                }
                    110:                else
                    111:                        rec = rec " " $2
                    112:        }
                    113: }
                    114: END {
                    115:        print rec
                    116: }' >> $TMP
                    117:
                    118: cat << _EOF_ >> $TMP
                    119:
                    120: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
                    121: _EOF_
                    122:
                    123: # copy to preserve permissions
                    124: cp $TMP $MAKE
                    125: rm -f ${MAKE}.bak $TMP
                    126: exit 0