On Mon, Jan 23, 2012 at 05:29:05PM -0500, Arnaud Lacombe wrote: > Running `oldconfig' after any of the following configuration change: > > either trivial addition, such as: > > config A > bool "A" > > choice > prompt "Choice ?" > depends on A > > config CHOICE_B > bool "Choice B" > > config CHOICE_C > bool "Choice C" > endchoice > > or more tricky change: > > OLD KCONFIG | NEW KCONFIG > | > | config A > | bool "A" > | > choice | choice > prompt "Choice ?" | prompt "Choice ?" > | > config CHOICE_C | config CHOICE_C > bool "Choice C" | bool "Choice C" > | > config CHOICE_D | config CHOICE_D > bool "Choice D" | bool "Choice D" > endchoice | > | config CHOICE_E > | bool "Choice E" > | depends on A > | endchoice > > will not cause the choice to be considered as NEW, and thus not be asked. The > cause of this behavior is that choice's novelty are computed statically right > after the saved configuration has been read. At this point, the new dependency's > value is still unknown and asserted to be `no'. Moreover, no update to this > decision is made afterward. > > Correct this by dynamically evaluating a choice's novelty, and removing the > static evaluation. > > Cc: linux-kbuild@xxxxxxxxxxxxxxx > Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, > Cc: Michal Marek <mmarek@xxxxxxx> > Cc: Uwe Kleine-Konig <u.kleine-koenig@xxxxxxxxxxxxxx> > Reported-by: Uwe Kleine-Konig <u.kleine-koenig@xxxxxxxxxxxxxx> Tested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> (Please note the umlaut o in my name. If you have problems with that, please at least write Kleine-Koenig.) > Signed-off-by: Arnaud Lacombe <lacombar@xxxxxxxxx> Best regards and thanks Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
