Re: [patch] kbuild: add automatic updateconfig target

[maximilian attems <maks@sternwelten.at>]

add an automated target for linux-2.6 daily builds,
sets the new options to their default without manual intervention.

based on a patch by Bastian Blank <waldi@debian.org>

Signed-off-by: maximilian attems <maks@sternwelten.at>

--
thanks for your suggestions Sam,
the patch is much shorter than previous.

i'm not yet shure why one would introduce an update.config file?
please explain :)

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 5760e05..487e75f 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -23,6 +23,9 @@ oldconfig: $(obj)/conf
 silentoldconfig: $(obj)/conf
 	$< -s arch/$(ARCH)/Kconfig
 
+updateconfig: $(obj)/conf
+	$< -u arch/$(ARCH)/Kconfig
+
 update-po-config: $(obj)/kxgettext
 	xgettext --default-domain=linux \
           --add-comments --keyword=_ --keyword=N_ \
@@ -74,6 +77,7 @@ help:
 	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
 	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
 	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
+	@echo  '  updateconfig	  - Update current config in an automated way'
 	@echo  '  randconfig	  - New config with random answer to all options'
 	@echo  '  defconfig	  - New config with default answer to all options'
 	@echo  '  allmodconfig	  - New config selecting modules when possible'
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 10eeae5..88c2738 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -544,6 +544,9 @@ int main(int ac, char **av)
 			input_mode = set_random;
 			srandom(time(NULL));
 			break;
+		case 'u':
+			input_mode = set_default;
+			break;
 		case 'h':
 		case '?':
 			printf("%s [-o|-s] config\n", av[0]);