X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=blobdiff_plain;f=scripts%2Fkconfig.pl;h=45c565e7a992c06e36cb64acd73a54fa65b4b0a1;hp=811327353867f8303f4c226f5c84b3f4c5bb47ec;hb=2729ebed04a4bf447ee95116a1ed13feccd7829e;hpb=25960d9281704dc093e032bc1b7e2f31915de1b9

diff --git a/scripts/kconfig.pl b/scripts/kconfig.pl
index 8113273538..45c565e7a9 100755
--- a/scripts/kconfig.pl
+++ b/scripts/kconfig.pl
@@ -29,7 +29,7 @@ sub load_config($$) {
 	my $mod_plus = shift;
 	my %config;
 
-	open FILE, "$file" or die "can't open file";
+	open FILE, "$file" or die "can't open file '$file'";
 	while (<FILE>) {
 		chomp;
 		/^$PREFIX(.+?)=(.+)/ and do {
@@ -73,7 +73,10 @@ sub config_add($$$) {
 		my %cfg = %$_;
 		
 		foreach my $config (keys %cfg) {
-			next if $mod_plus and $config{$config} and $config{$config} eq "y";
+			if ($mod_plus and $config{$config}) {
+				next if $config{$config} eq "y";
+				next if $cfg{$config} eq '#undef';
+			}
 			$config{$config} = $cfg{$config};
 		}
 	}