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#!/usr/bin/perl
# Samba4 Dependency Graph Generator
# (C) 2004-2005 Jelmer Vernooij <jelmer@samba.org>
# Published under the GNU GPL
use strict;
use lib 'build';
use smb_build::config_mk;
my $subsys = shift @ARGV;
sub contains($$)
{
my ($haystack,$needle) = @_;
foreach (@$haystack) {
return 1 if ($_ eq $needle);
}
return 0;
}
sub generate($$$)
{
my ($depend,$only,$name) = @_;
my $res = "digraph $name {\n";
foreach my $part (values %{$depend}) {
next if (defined($only) and not contains($only,$part->{NAME}));
foreach my $elem (@{$part->{PUBLIC_DEPENDENCIES}}) {
$res .= "\t\"$part->{NAME}\" -> \"$elem\" [style=filled]; /* public */\n";
}
foreach my $elem (@{$part->{PRIVATE_DEPENDENCIES}}) {
$res .= "\t\"$part->{NAME}\" -> \"$elem\" [style=dotted]; /* private */\n";
}
}
return $res . "}\n";
}
my $INPUT = {};
smb_build::config_mk::run_config_mk($INPUT, '.', '.', "main.mk");
my $name = "samba4";
my $only;
if (defined($subsys)) {
my $DEPEND = smb_build::input::check($INPUT, \%config::enabled,
"MERGED_OBJ", "SHARED_LIBRARY", "SHARED_LIBRARY");
die("No such subsystem $subsys") unless (defined($DEPEND->{$subsys}));
$only = $DEPEND->{$subsys}->{UNIQUE_DEPENDENCIES_ALL};
push (@$only, "$subsys");
$name = $subsys;
}
my $fname = "$name-deps.dot";
print __FILE__.": creating $fname\n";
open DOTTY, ">$fname";
print DOTTY generate($INPUT, $only, $name);
close DOTTY;
1;
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