kconfig: report select on a depending option

[Jan Engelhardt]

Hi,


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"

thanks,
Jan
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