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Annotation of src/usr.bin/mkdep/mkdep.ultrix, Revision 1.5

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.5     ! niklas      3: #      $OpenBSD: mkdep.ultrix,v 1.4 1997/01/25 08:47:58 deraadt Exp $
1.1       deraadt     4: #      $NetBSD: mkdep.ultrix,v 1.2 1994/12/23 07:35:04 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.
                     17: # 3. All advertising materials mentioning features or use of this software
                     18: #    must display the following acknowledgement:
                     19: #      This product includes software developed by the University of
                     20: #      California, Berkeley and its contributors.
                     21: # 4. Neither the name of the University nor the names of its contributors
                     22: #    may be used to endorse or promote products derived from this software
                     23: #    without specific prior written permission.
                     24: #
                     25: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35: # SUCH DAMAGE.
                     36: #
                     37: #      @(#)mkdep.ultrix        8.1 (Berkeley) 6/6/93
                     38: #
                     39:
                     40: MAKE=Makefile                  # default makefile name is "Makefile"
                     41:
                     42: while :
                     43:        do case "$1" in
                     44:                # -f allows you to select a makefile name
                     45:                -f)
                     46:                        MAKE=$2
                     47:                        shift; shift ;;
                     48:
                     49:                # the -p flag produces "program: program.c" style dependencies
                     50:                # so .o's don't get produced
                     51:                -p)
                     52:                        SED='s;\.o;;'
                     53:                        shift ;;
                     54:                *)
                     55:                        break ;;
                     56:        esac
                     57: done
                     58:
                     59: if [ $# = 0 ] ; then
                     60:        echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
                     61:        exit 1
                     62: fi
                     63:
                     64: if [ ! -w $MAKE ]; then
                     65:        echo "mkdep: no writeable file \"$MAKE\""
                     66:        exit 1
                     67: fi
                     68:
1.3       deraadt    69: DTMP=/tmp/_mkdep$$
                     70: TMP=$DTMP/mkdep
1.1       deraadt    71:
1.3       deraadt    72: um=`umask`
                     73: umask 022
                     74: if ! mkdir $DTMP ; then
                     75:        echo failed to create tmp dir $DTMP
                     76:        exit 1
                     77: fi
                     78: umask $um
                     79: trap 'rm -rf $DTMP ; exit 1' 1 2 3 13 15
1.1       deraadt    80:
                     81: cp $MAKE ${MAKE}.bak
                     82:
                     83: sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
                     84:
                     85: cat << _EOF_ >> $TMP
                     86: # DO NOT DELETE THIS LINE -- mkdep uses it.
                     87: # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
                     88:
                     89: _EOF_
                     90:
                     91: # If your compiler doesn't have -M, add it.  If you can't, the next two
                     92: # lines will try and replace the "cc -M".  The real problem is that this
                     93: # hack can't deal with anything that requires a search path, and doesn't
                     94: # even try for anything using bracket (<>) syntax.
                     95: #
                     96: # egrep '^#include[    ]*".*"' /dev/null $* |
                     97: # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
                     98:
                     99: # Ultrix has already used -M for something else.
1.5     ! niklas    100: ${CC:-cc} -Em $* |
1.1       deraadt   101: sed "
                    102:        s; \./; ;g
                    103:        $SED" |
                    104: awk '{
                    105:        if ($1 != prev) {
                    106:                if (rec != "")
                    107:                        print rec;
                    108:                rec = $0;
                    109:                prev = $1;
                    110:        }
                    111:        else {
                    112:                if (length(rec $2) > 78) {
                    113:                        print rec;
                    114:                        rec = $0;
                    115:                }
                    116:                else
                    117:                        rec = rec " " $2
                    118:        }
                    119: }
                    120: END {
                    121:        print rec
                    122: }' >> $TMP
                    123:
                    124: cat << _EOF_ >> $TMP
                    125:
                    126: # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
                    127: _EOF_
                    128:
                    129: # copy to preserve permissions
                    130: cp $TMP $MAKE
1.3       deraadt   131: rm -rf ${MAKE}.bak $DTMP
1.1       deraadt   132: exit 0