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Annotation of src/usr.bin/mkdep/mkdep.sh, Revision 1.8

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.8     ! millert     3: #      $OpenBSD: mkdep.sh,v 1.7 2000/07/23 22:22:07 millert 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.
1.8     ! 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.sh    8.1 (Berkeley) 6/6/93
                     34: #
                     35:
                     36: D=.depend                      # default dependency file is .depend
                     37: append=0
                     38:
                     39: while :
                     40:        do case "$1" in
                     41:                # -a appends to the depend file
                     42:                -a)
                     43:                        append=1
                     44:                        shift ;;
                     45:
                     46:                # -f allows you to select a makefile name
                     47:                -f)
                     48:                        D=$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 depend_file] [cc_flags] file ...'
                     63:        exit 1
                     64: fi
                     65:
1.3       deraadt    66: DTMP=/tmp/_mkdep$$
                     67: TMP=$DTMP/mkdep
1.1       deraadt    68:
1.3       deraadt    69: um=`umask`
                     70: umask 022
                     71: if ! mkdir $DTMP ; then
                     72:        echo failed to create tmp dir $DTMP
                     73:        exit 1
                     74: fi
                     75: umask $um
                     76: trap 'rm -rf $DTMP ; exit 1' 1 2 3 13 15
1.1       deraadt    77:
1.6       niklas     78: ${CC:-cc} -M $* |
1.1       deraadt    79: sed "
                     80:        s; \./; ;g
                     81:        /\.c:$/d
                     82:        $SED" |
                     83: awk '{
                     84:        if ($1 != prev) {
                     85:                if (rec != "")
                     86:                        print rec;
                     87:                rec = $0;
                     88:                prev = $1;
                     89:        }
                     90:        else {
                     91:                if (length(rec $2) > 78) {
                     92:                        print rec;
                     93:                        rec = $0;
                     94:                }
                     95:                else
                     96:                        rec = rec " " $2
                     97:        }
                     98: }
                     99: END {
                    100:        print rec
                    101: }' > $TMP
                    102:
                    103: if [ $? != 0 ]; then
                    104:        echo 'mkdep: compile failed.'
1.3       deraadt   105:        rm -rf $DTMP
1.1       deraadt   106:        exit 1
                    107: fi
                    108:
                    109: if [ $append = 1 ]; then
                    110:        cat $TMP >> $D
1.3       deraadt   111:        rm -rf $DTMP
1.1       deraadt   112: else
1.7       millert   113:        mv -f $TMP $D
1.4       bitblt    114:        rm -rf $DTMP
1.1       deraadt   115: fi
1.4       bitblt    116:
1.1       deraadt   117: exit 0
1.4       bitblt    118:
                    119:
                    120:
                    121: