X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=scripts%2Fconfig.pl;h=53b8f11025f75d2ef2850e7a986db13dcd48cb6c;hb=2e57c3227c8343f43dd836d80e71843c816eb837;hp=a45253729cc48fa4d8cfb8c00ea7dcd9df36b0fa;hpb=ed01170dfed7c661529740f0e4756aa3f633d7bb;p=openwrt.git

diff --git a/scripts/config.pl b/scripts/config.pl
index a45253729c..53b8f11025 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -18,12 +18,12 @@ sub load_config($) {
 	open FILE, "$file" or die "can't open file";
 	while (<FILE>) {
 		chomp;
-		/^CONFIG_(.+)=(.+)/ and do {
+		/^CONFIG_(.+?)=(.+)/ and do {
 			$config{$1} = $2;
 			next;
 		};
-		/^# CONFIG_(.+) is not set/ and do {
-			$config{$1} = -1;
+		/^# CONFIG_(.+?) is not set/ and do {
+			$config{$1} = "#undef";
 			next;
 		};
 		/^#/ and next;
@@ -49,15 +49,17 @@ sub config_and($$) {
 }
 
 
-sub config_add($$) {
+sub config_add($$$) {
 	my $cfg1 = shift;
 	my $cfg2 = shift;
+	my $mod_plus = shift;
 	my %config;
 	
 	for ($cfg1, $cfg2) {
 		my %cfg = %$_;
 		
 		foreach my $config (keys %cfg) {
+			next if $mod_plus and $config{$config} and $config{$config} eq "y";
 			$config{$config} = $cfg{$config};
 		}
 	}
@@ -91,7 +93,7 @@ sub config_sub($$) {
 sub print_cfgline($$) {
 	my $name = shift;
 	my $val = shift;
-	if ($val eq '-1') {
+	if ($val eq '#undef') {
 		print "# CONFIG_$name is not set\n";
 	} else {
 		print "CONFIG_$name=$val\n";
@@ -123,7 +125,11 @@ sub parse_expr($) {
 	} elsif ($arg =~ /^\+/) {
 		my $arg1 = parse_expr($pos);
 		my $arg2 = parse_expr($pos);
-		return config_add($arg1, $arg2);
+		return config_add($arg1, $arg2, 0);
+	} elsif ($arg =~ /^m\+/) {
+		my $arg1 = parse_expr($pos);
+		my $arg2 = parse_expr($pos);
+		return config_add($arg1, $arg2, 1);
 	} elsif ($arg eq '>') {
 		my $arg1 = parse_expr($pos);
 		my $arg2 = parse_expr($pos);