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host-mkdep.in revision 1.5 
      1 #!@BSHELL@ -
      2 #
      3 #	$NetBSD: host-mkdep.in,v 1.5 2003/03/13 04:40:45 thorpej Exp $
      4 #
      5 # Copyright (c) 1991, 1993
      6 #	The Regents of the University of California.  All rights reserved.
      7 #
      8 # Redistribution and use in source and binary forms, with or without
      9 # modification, are permitted provided that the following conditions
     10 # are met:
     11 # 1. Redistributions of source code must retain the above copyright
     12 #    notice, this list of conditions and the following disclaimer.
     13 # 2. Redistributions in binary form must reproduce the above copyright
     14 #    notice, this list of conditions and the following disclaimer in the
     15 #    documentation and/or other materials provided with the distribution.
     16 # 3. All advertising materials mentioning features or use of this software
     17 #    must display the following acknowledgement:
     18 #	This product includes software developed by the University of
     19 #	California, Berkeley and its contributors.
     20 # 4. Neither the name of the University nor the names of its contributors
     21 #    may be used to endorse or promote products derived from this software
     22 #    without specific prior written permission.
     23 #
     24 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34 # SUCH DAMAGE.
     35 #
     36 #	@(#)mkdep.old.compiler	8.1 (Berkeley) 6/6/93
     37 #
     38 
     39 APPEND=false
     40 CPPFLAGS=
     41 NEWEXT=.o
     42 OUTFILE=.depend
     43 SRCS=
     44 
     45 while [ $# -gt 0 ]; do
     46 	case "$1" in
     47 	-a)	APPEND=true; shift;;
     48 
     49 	-f)	OUTFILE=$2; shift; shift;;
     50 
     51 	-p)	NEWEXT=; shift;;
     52 
     53 	*)	break;;
     54 	esac
     55 done
     56 
     57 if [ $# = 0 ] ; then
     58 	echo "usage: $0 [-a] [-p] [-f makefile] [flags] file ..."
     59 	exit 1
     60 fi
     61 
     62 while [ $# -gt 0 ]; do
     63 	case "$1" in
     64 	-L)		shift; shift;; # takes an arg, but ignored
     65 
     66 	-c|-[lLMOW]*)	shift;; # takes no extra args
     67 
     68 	-[IDU]*)	CPPFLAGS="$CPPFLAGS $1"; shift;;
     69 
     70 	-[IDU]|-include)
     71 			CPPFLAGS="$CPPFLAGS $1 $2"; shift; shift;;
     72 
     73 	# This is a Darwin-specific option.
     74 	-no-cpp-precomp)
     75 			CPPFLAGS="$CPPFLAGS $1"; shift;;
     76 
     77 	-*)		echo "$0: unknown option: $1"; exit 1;; # all other -options
     78 
     79 	*)		SRCS="$SRCS $1"; shift;; # source file
     80 	esac
     81 done
     82 
     83 TMP=/tmp/mkdep$$
     84 rm -f $TMP
     85 
     86 trap 'rm -f $TMP; exit 1' 1 2 3 13 15
     87 
     88 for f in $SRCS; do
     89 	@CPP@ $CPPFLAGS $f | @AWK@ '
     90 		BEGIN {
     91 			objfile = "'$f'"
     92 			sub(/^.*\//, "", objfile)
     93 			sub(/\.(c|cc|m)$/, "'$NEWEXT'", objfile)
     94 		}
     95 		/^#/ {
     96 			# Be as tolerant as possible.
     97 			sub(/^#(line)? [ 0-9]*\"?/, "")
     98 			sub(/^#(pragma).*/, "")
     99 			sub(/^<.*/, "")
    100 			sub(/\".*$/, "")
    101 			sub(/ [ 0-9]*$/, "")
    102 
    103 			if ($0 in seenfiles) next
    104 			if ($0 ~ /y.tab.c/) next
    105 
    106 			seenfiles[$0] = 1
    107 			print objfile ": " $0
    108 		}
    109 	' >>$TMP
    110 done
    111 
    112 if $APPEND; then
    113 	cat $TMP >>$OUTFILE
    114 else
    115 	cat $TMP >$OUTFILE
    116 fi
    117 
    118 rm -f $TMP
    119 exit 0
    120