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Annotation of src/usr.bin/mkdep/mkdep.append, Revision 1.7

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.7     ! millert     3: #      $OpenBSD: mkdep.append,v 1.6 2002/12/15 13:30:17 henning Exp $
1.1       deraadt     4: #      $NetBSD: mkdep.append,v 1.2 1994/12/23 07:34:57 jtc Exp $
                      5: #
                      6: # Copyright (c) 1991, 1993
                      7: #      The Regents of the University of California.  All rights reserved.
                      8: #
                      9: # Redistribution and use in source and binary forms, with or without
                     10: # modification, are permitted provided that the following conditions
                     11: # are met:
                     12: # 1. Redistributions of source code must retain the above copyright
                     13: #    notice, this list of conditions and the following disclaimer.
                     14: # 2. Redistributions in binary form must reproduce the above copyright
                     15: #    notice, this list of conditions and the following disclaimer in the
                     16: #    documentation and/or other materials provided with the distribution.
1.7     ! millert    17: # 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    18: #    may be used to endorse or promote products derived from this software
                     19: #    without specific prior written permission.
                     20: #
                     21: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31: # SUCH DAMAGE.
                     32: #
                     33: #      @(#)mkdep.append        8.1 (Berkeley) 6/6/93
                     34: #
                     35:
                     36: MAKE=Makefile                  # default makefile name is "Makefile"
                     37:
                     38: while :
                     39:        do case "$1" in
                     40:                # -f allows you to select a makefile name
                     41:                -f)
                     42:                        MAKE=$2
                     43:                        shift; shift ;;
                     44:
                     45:                # the -p flag produces "program: program.c" style dependencies
                     46:                # so .o's don't get produced
                     47:                -p)
                     48:                        SED='s;\.o;;'
                     49:                        shift ;;
                     50:                *)
                     51:                        break ;;
                     52:        esac
                     53: done
                     54:
                     55: if [ $# = 0 ] ; then
                     56:        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
                     57:        exit 1
                     58: fi
                     59:
                     60: if [ ! -w $MAKE ]; then
1.6       henning    61:        echo "mkdep: no writable file \"$MAKE\""
1.1       deraadt    62:        exit 1
                     63: fi
                     64:
1.3       deraadt    65: DTMP=/tmp/_mkdep$$
                     66: TMP=$DTMP/mkdep
1.1       deraadt    67:
1.3       deraadt    68: um=`umask`
                     69: umask 022
                     70: if ! mkdir $DTMP ; then
                     71:        echo failed to create tmp dir $DTMP
                     72:        exit 1
                     73: fi
                     74: umask $um
                     75: trap 'rm -rf $DTMP ; exit 1' 1 2 3 13 15
1.1       deraadt    76:
                     77: cp $MAKE ${MAKE}.bak
                     78:
                     79: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
                     80:
                     81: cat << _EOF_ >> $TMP
                     82: # DO NOT DELETE THIS LINE -- mkdep uses it.
                     83: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
                     84:
                     85: _EOF_
                     86:
                     87: # If your compiler doesn't have -M, add it.  If you can't, the next two
                     88: # lines will try and replace the "cc -M".  The real problem is that this
                     89: # hack can't deal with anything that requires a search path, and doesn't
                     90: # even try for anything using bracket (<>) syntax.
                     91: #
                     92: # egrep '^#include[    ]*".*"' /dev/null $* |
                     93: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
                     94:
1.5       niklas     95: ${CC:-cc} -M $* |
1.1       deraadt    96: sed "
                     97:        s; \./; ;g
                     98:        $SED" |
                     99: awk '{
                    100:        if ($1 != prev) {
                    101:                if (rec != "")
                    102:                        print rec;
                    103:                rec = $0;
                    104:                prev = $1;
                    105:        }
                    106:        else {
                    107:                if (length(rec $2) > 78) {
                    108:                        print rec;
                    109:                        rec = $0;
                    110:                }
                    111:                else
                    112:                        rec = rec " " $2
                    113:        }
                    114: }
                    115: END {
                    116:        print rec
                    117: }' >> $TMP
                    118:
                    119: cat << _EOF_ >> $TMP
                    120:
                    121: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
                    122: _EOF_
                    123:
                    124: # copy to preserve permissions
                    125: cp $TMP $MAKE
1.3       deraadt   126: rm -rf ${MAKE}.bak $DTMP
1.1       deraadt   127: exit 0