1 files changed, 55 insertions, 12 deletions

diff --git a/v4l/scripts/make_kconfig.pl b/v4l/scripts/make_kconfig.pl
index f612e83db..91c37693f 100755
--- a/v4l/scripts/make_kconfig.pl
+++ b/v4l/scripts/make_kconfig.pl
@@ -1,37 +1,80 @@
 #!/usr/bin/perl
 use FileHandle;
 
-my $KDIR=shift;
 my $ARCH=shift;
 
+my %depend = ();
+my %config = ();
+
+sub add_config($)
+{
+	my $arg=shift;
+
+	if ($arg =~ m/^([A-Z0-9_]+)/) {
+		$config{$1} = 1;
+	}
+}
+
+sub check_deps($)
+{
+	my $arg=shift;
+	$arg=$arg." ";
+
+	while ($arg ne "") {
+		if ($arg =~ m/^([A-Z0-9_]+) /) {
+			my $val=$1;
+			my $prev=$depend{$val};
+			$depend { $val } = 1+$prev;
+		}
+		$arg =~ s/^[^ ]+ //;
+	}
+}
+
 sub open_kconfig($$) {
 	my ($dir,$file)=@_;
 	my $in = new FileHandle;
 
-print "opening $file\n";
+#print "opening $file\n";
 	open $in,"$file";
 	while (<$in>) {
-		if (m;^\s*source[\s\"]+drivers/media/(video|dvb)/Kconfig;) {
-			next;
-		}
+#		if (m;^\s*source[\s\"]+drivers/media/(video|dvb)/Kconfig;) {
+#			next;
+#		}
 		if (m|^\s*source[\s\"]+([^\n\s\"]+)[\n\s\"]|) {
 			open_kconfig($dir,"$dir/$1");
 			next;
 		}
+		if (m|^\s+depends on (.*)\n|) {
+			check_deps ($1);
+		}
+		if (m|^\s+select (.*)\n|) {
+			check_deps ($1);
+		}
+		if (m|^\s*config (.*)\n|) {
+			add_config ($1);
+		}
+
 		s/^main(menu\s\"[^\"]+)/\1 - DON'T CHANGE IT!/;
 		print OUT $_;
 	}
 	close $in;
 }
 
-open OUT,">Kconfig.kern";
-open_kconfig($KDIR,"$KDIR/arch/$ARCH/Kconfig");
-print OUT "endmenu\n";
-close OUT;
-
 open OUT,">Kconfig";
 print OUT "mainmenu \"V4L/DVB menu\"\n";
-open_kconfig ("../linux","../linux/drivers/media/video/Kconfig");
-open_kconfig ("../linux","../linux/drivers/media/dvb/Kconfig");
+
 print OUT "source Kconfig.kern\n";
+open_kconfig ("../linux","../linux/drivers/media/Kconfig");
+
 close OUT;
+
+while ( my ($key, $value) = each(%config) ) {
+		delete $depend{$key};
+}
+
+open OUT,">Kconfig.kern";
+while ( my ($key, $value) = each(%depend) ) {
+	print OUT "# $key with $value refs\nconfig $key\n\ttristate\n\tdefault m\n\n";
+}
+close OUT;
+