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Annotation of 43BSDReno/pgrm/mkdep/mkdep.sh, revision 1.1.1.1

1.1       root        1: #!/bin/sh -
                      2: #
                      3: # Copyright (c) 1987 Regents of the University of California.
                      4: # All rights reserved.
                      5: #
                      6: # Redistribution and use in source and binary forms are permitted
                      7: # provided that the above copyright notice and this paragraph are
                      8: # duplicated in all such forms and that any documentation,
                      9: # advertising materials, and other materials related to such
                     10: # distribution and use acknowledge that the software was developed
                     11: # by the University of California, Berkeley.  The name of the
                     12: # University may not be used to endorse or promote products derived
                     13: # from this software without specific prior written permission.
                     14: # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     15: # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     16: # WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     17: #
                     18: #      @(#)mkdep.sh    5.18 (Berkeley) 3/5/89
                     19: #
                     20: PATH=/bin:/usr/bin:/usr/ucb
                     21: export PATH
                     22: 
                     23: D=.depend                      # default dependency file is .depend
                     24: append=0
                     25: 
                     26: while :
                     27:        do case "$1" in
                     28:                # -a appends to the depend file
                     29:                -a)
                     30:                        append=1
                     31:                        shift ;;
                     32: 
                     33:                # -f allows you to select a makefile name
                     34:                -f)
                     35:                        D=$2
                     36:                        shift; shift ;;
                     37: 
                     38:                # the -p flag produces "program: program.c" style dependencies
                     39:                # so .o's don't get produced
                     40:                -p)
                     41:                        SED='s;\.o;;'
                     42:                        shift ;;
                     43:                *)
                     44:                        break ;;
                     45:        esac
                     46: done
                     47: 
                     48: if [ $# = 0 ] ; then
                     49:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
                     50:        exit 1
                     51: fi
                     52: 
                     53: TMP=/tmp/mkdep$$
                     54: 
                     55: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
                     56: 
                     57: cc -M $* |
                     58: sed "
                     59:        s; \./; ;g
                     60:        /\.c:$/d
                     61:        $SED" |
                     62: awk '{
                     63:        if ($1 != prev) {
                     64:                if (rec != "")
                     65:                        print rec;
                     66:                rec = $0;
                     67:                prev = $1;
                     68:        }
                     69:        else {
                     70:                if (length(rec $2) > 78) {
                     71:                        print rec;
                     72:                        rec = $0;
                     73:                }
                     74:                else
                     75:                        rec = rec " " $2
                     76:        }
                     77: }
                     78: END {
                     79:        print rec
                     80: }' > $TMP
                     81: 
                     82: if [ $? != 0 ]; then
                     83:        echo 'mkdep: compile failed.'
                     84:        rm -f $TMP
                     85:        exit 1
                     86: fi
                     87: 
                     88: if [ $append = 1 ]; then
                     89:        cat $TMP >> $D
                     90:        rm -f $TMP
                     91: else
                     92:        mv $TMP $D
                     93: fi
                     94: exit 0

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