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#!/usr/bin/perl
#
# $Id$
#
# Created: Thu Aug 15 11:57:33 1996 too
# Last modified: Mon Dec 27 09:23:56 1999 too
#
# Copyright (c) 1996-1999 Tomi Ollila. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
die "Usage: mkdep CPP-command [CPP options] file1 [file2...]\n"
if ($#ARGV < 1);
$cmdl = shift(@ARGV);
$cmdl = "$cmdl " . shift (@ARGV) while ($ARGV[0] =~ /^-[A-Z]/);
while ($file = shift(@ARGV))
{
$file =~ s/\.o$/.c/;
open(F, "$cmdl $file|");
&parseout;
close(F);
}
sub initinit
{
%used = ();
$of = $file;
$of =~ s/\.c$/.lo/;
$str = "$of:\t$file";
$len = length $str;
}
sub initstr
{
$str = "\t";
$len = length $str;
}
sub parseout
{
&initinit;
while (<F>)
{
s/\\\\/\//g;
next unless (/^# [0-9]* "(.*\.h)"/);
next if ($1 =~ /^\//);
next if $used{$1};
$used{$1} = 1;
$nlen = length($1) + 1;
if ($len + $nlen > 72)
{
print $str, "\\\n";
&initstr;
$str = $str . $1;
}
else { $str = $str . " " . $1; }
$len += $nlen;
}
print $str, "\n";
}
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