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

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.7     ! millert     3: #      $OpenBSD: mkdep.sh,v 1.6 1997/01/25 14:27:44 niklas Exp $
1.1       deraadt     4: #      $NetBSD: mkdep.sh,v 1.3 1994/12/23 07:35:02 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.sh    8.1 (Berkeley) 6/6/93
                     38: #
                     39:
                     40: D=.depend                      # default dependency file is .depend
                     41: append=0
                     42:
                     43: while :
                     44:        do case "$1" in
                     45:                # -a appends to the depend file
                     46:                -a)
                     47:                        append=1
                     48:                        shift ;;
                     49:
                     50:                # -f allows you to select a makefile name
                     51:                -f)
                     52:                        D=$2
                     53:                        shift; shift ;;
                     54:
                     55:                # the -p flag produces "program: program.c" style dependencies
                     56:                # so .o's don't get produced
                     57:                -p)
                     58:                        SED='s;\.o ; ;'
                     59:                        shift ;;
                     60:                *)
                     61:                        break ;;
                     62:        esac
                     63: done
                     64:
                     65: if [ $# = 0 ] ; then
                     66:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
                     67:        exit 1
                     68: fi
                     69:
1.3       deraadt    70: DTMP=/tmp/_mkdep$$
                     71: TMP=$DTMP/mkdep
1.1       deraadt    72:
1.3       deraadt    73: um=`umask`
                     74: umask 022
                     75: if ! mkdir $DTMP ; then
                     76:        echo failed to create tmp dir $DTMP
                     77:        exit 1
                     78: fi
                     79: umask $um
                     80: trap 'rm -rf $DTMP ; exit 1' 1 2 3 13 15
1.1       deraadt    81:
1.6       niklas     82: ${CC:-cc} -M $* |
1.1       deraadt    83: sed "
                     84:        s; \./; ;g
                     85:        /\.c:$/d
                     86:        $SED" |
                     87: awk '{
                     88:        if ($1 != prev) {
                     89:                if (rec != "")
                     90:                        print rec;
                     91:                rec = $0;
                     92:                prev = $1;
                     93:        }
                     94:        else {
                     95:                if (length(rec $2) > 78) {
                     96:                        print rec;
                     97:                        rec = $0;
                     98:                }
                     99:                else
                    100:                        rec = rec " " $2
                    101:        }
                    102: }
                    103: END {
                    104:        print rec
                    105: }' > $TMP
                    106:
                    107: if [ $? != 0 ]; then
                    108:        echo 'mkdep: compile failed.'
1.3       deraadt   109:        rm -rf $DTMP
1.1       deraadt   110:        exit 1
                    111: fi
                    112:
                    113: if [ $append = 1 ]; then
                    114:        cat $TMP >> $D
1.3       deraadt   115:        rm -rf $DTMP
1.1       deraadt   116: else
1.7     ! millert   117:        mv -f $TMP $D
1.4       bitblt    118:        rm -rf $DTMP
1.1       deraadt   119: fi
1.4       bitblt    120:
1.1       deraadt   121: exit 0
1.4       bitblt    122:
                    123:
                    124:
                    125: