The top-level Makefile invokes "make syncconfig" when necessary. Then, Kconfig displays the following message when .config is updated.
# # configuration written to .config # It is distracting because "make syncconfig" happens during the build stage, and does nothing important in most cases. Suggested-by: Linus Torvalds <[email protected]> Signed-off-by: Masahiro Yamada <[email protected]> --- scripts/kconfig/conf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index b35cc93..7b2b372 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -508,6 +508,11 @@ int main(int ac, char **av) input_mode = (enum input_mode)opt; switch (opt) { case syncconfig: + /* + * syncconfig is invoked during the build stage. + * Suppress distracting "configuration written to ..." + */ + conf_set_message_callback(NULL); sync_kconfig = 1; break; case defconfig: -- 2.7.4
