> 
> Is there a way to generate (in Kconfig language) the boolean
> CONFIG_ACPI_CUSTOM_DSDT based on whether CONFIG_ACPI_CUSTOM_DSDT_FILE
> == "" or != "" ?  I tried to muck around with that last night but
> couldn't get it to work.  I.e., just present the ACPI_CUSTOM_DSDT_FILE
> config symbol to the user and then generate the ACPI_CUSTOM_DSDT bool
> based on the string value.

Something following this example?

config STRING
        string
        prompt "What string"
        default ""

config STRING_IS_NOT_EMPTY
        bool
        default STRING != ""


But that seems too easy - were you trying to do something
more complex than this?

        Sam
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