(hoping this is the right list for this.)
i have a Kconfig file with the following choice construct:
==========
choice
prompt "Microcode patch selection"
default NO_UCODE_PATCHconfig NO_UCODE_PATCH
bool "None"config USB_SOF_PATCH
bool "USB SOF patch"config I2C_SPI_PATCH
bool "I2C/SPI relocation patch"config I2C_SPI_SMC1_PATCH
bool "I2C/SPI/SMC1 relocation patch"endchoice ==========
obviously, this represents a set of choices, as well as a "none of the above" choice. however, i want to add one more variable, call it "UCODE_PATCH", that will reflect that *some* patch was selected, without caring which one. (this clearly won't be a displayed choice -- it's a "hidden" config variable that's calculated based on the value of other variables. is there an official name for something like that?)
the obvious solution is to add the directive:
==========
config UCODE_PATCH
bool
default y
depends on !NO_UCODE_PATCH
==========but *where* should that be added? (side note: is that the obvious way to do this?)
if i add the above *after* the choice menu, things work fine, but i don't like the fact that this variable exists outside the "choice" construct. philosophically, since it's related to the values inside the choice, i decide to move it inside (after the last selectable config value) to see what happens.
when i then do the make, i get:
make ARCH=ppc menuconfig
scripts/kconfig/mconf arch/ppc/Kconfig
arch/ppc/8xx_io/Kconfig:159:warning: choice value must have a prompt
arch/ppc/8xx_io/Kconfig:161:warning: defaults for choice values not supported
so, clearly, kbuild doesn't care for this but (surprise, surprise) it still appears to work properly.
is there a proper way to place that "calculated" value representing "yes, something non-null was selected" inside the choice construct without getting a kbuild warning? really, that's where it belongs.
thoughts?
rday
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