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Date:	Thu, 18 Mar 2010 10:21:21 +0100 (CET)
From:	Jan Engelhardt <>
To:	Michal Marek <>
cc:	Linux Kernel Mailing List <>
Subject: kconfig: report select on a depending option


With the following combination of Kconfig config options, I can select 
TEST_Z, which will select TEST_X, even if TEST_Y=n. It also allows for 
awkward situations like TEST_Y=M, TEST_X=y, TEST_Z=y, which would yield 
a link time error when X uses Y's symbols.
Is there a way to have such potential errors reported with kconfig?

config TEST_Y
	tristate "Y"

config TEST_X
	depends on Y
	tristate "X"

config TEST_Z
	select TEST_Y
	tristate "Z"

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